Entries |
Document | Title | Date |
20080199263 | Cutting Insert for Turning with Chip-Breaker Arrangement Providing Room for a Cooling Jet - A cutting insert includes a polygonal body of a hard, wear-resistant material, which has an upper surface and a lower surface, and a plurality of edge surfaces uniting said surfaces. At least one chip-breaker arrangement is provided in at least one of the lower and upper surfaces. At least one rounded cutting corner, provided with a nose-cutting edge, is formed at a nose portion at the area of the intersection area of two edge surfaces. The cutting corner defines a bisector. The chip-breaker arrangement includes two elongate chip-breaker segments having an opening provided therebetween intended to give room for a cooling jet directed toward the opening. | 08-21-2008 |
20080219781 | Machine Tool With Cooling Nozzle and Method for Applying Cooling Fluid - Disclosed in one embodiment is a computer numerically controlled machine having a coolant nozzle that is mounted on a turret of the machine and that is rotatable relative to the turret under the control of a computer control system. The nozzle is fluidically connected to a source of a coolant. The machine includes a computer control system that is operatively coupled to the various components of the machine including the nozzle. In some embodiments, the nozzle may be moved to cause a constant contact angle with respect to one of said tool and said workpiece. In other embodiments, the nozzle may be moved to cause a constant coolant time to interface. Also disclosed are related methods. | 09-11-2008 |
20090252564 | FACE MILLING CUTTER - A face milling cutter. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner. | 10-08-2009 |
20090311055 | MILLING TOOL AND METHOD, IN PARTICULAR FOR MILLING COMPOSITE MATERIALS | 12-17-2009 |
20100054871 | TOOL - The invention relates to a hard metal tool which rotates about its own longitudinal axis, has an l/d ratio of 2 to 200 and is intended for the drilling or milling of materials. The hard metal tool contains a hard material phase and a binder phase, wherein the main binder constituents are iron, nickel and cobalt, the iron content is between 50 and 90% by weight, the nickel content is between 10 and 30% by weight, the cobalt content is at most 30% by weight and the cobalt to nickel Co:Ni ratio is less than or equal to 1, based on % by weight. | 03-04-2010 |
20100143051 | BALL RACEWAY MILLING DEVICE, TOOL HAVING A BALL RACEWAY MILLING DEVICE, AND METHOD FOR THE APPLICATION OF A BALL RACEWAY MILLING DEVICE - The invention relates to a ball raceway milling device ( | 06-10-2010 |
20100166510 | TOOL WITH INTERNAL FLUID PASSAGE - A tool has a shank and a cutting blade mounted on the shank. The tool also includes an internal fluid passage for drawing in, together with air, chips produced when the cutting blade machines a workpiece. The internal fluid passage comprises a through hole made in the shank, at least one main inlet hole for drawing in the chips together with the air, the main inlet hole being made in the cutting blade and being in fluid communication with the through hole, and at least one sub-inlet hole for drawing in at least the air, the sub-inlet hole being made in the shank and being in fluid communication with the through hole. The chips can efficiently be discharged from the tool without being deposited in the internal fluid passage, by the air which flows at a suitable speed through the internal fluid passage and draws the chips, regardless of the diameter of the tool. | 07-01-2010 |
20100178116 | Cutting tool for machining inner surface of hole, and method for cutting the same - The cutting tool for machining an inner surface of a hole is provided with a cutting tool main body extending in the shape of a shaft, a cutting edge portion mounted on a head portion of the cutting tool main body so as to radially-outwardly protrude with respect to the center axis of the cutting tool main body, and a coolant hole formed at the cutting tool main body so as to have an opening at a position apart from the cutting edge portion on a circumferential surface of the head portion of the cutting tool main body, thereby flushing out a coolant from the opening to an axially orthogonal plane orthogonal to the center axis and also along a protruding direction at which the cutting edge portion protrudes. The opening of the coolant hole faces a direction different from the protruding direction of the cutting edge portion in the radial direction with respect to the center axis. | 07-15-2010 |
20100178117 | Detachable insert-type cutting tool - The detachable insert-type cutting tool is provided with a holder, a head member which has an insert seat on which a cutting insert is detachably mounted and which is detachably attached to a head portion of the holder so that an attachment surface of the head member is closely in contact with an attachment surface of the holder, a coolant hole which is formed inside the holder so as to be opened on the attachment surface of the holder, and a first groove which is formed on the attachment surface of the head member, communicating with the coolant hole opened on the attachment surface of the holder and extending so as to be opened toward a cutting edge of the cutting insert mounted on the insert seat. | 07-15-2010 |
20100196105 | Cutting Tool Having a Retractable Nozzle - A cutting tool includes a coolant conveying member, to provide coolant fluid to a cutting area during a cutting operation. The coolant conveying member includes a member body having a fluid passage formed therein, and a nozzle to convey and to jet out the coolant fluid therethrough. The nozzle is shiftable relative to the member body, between a first, extended position and a second, retracted position. In the extended position, for example, assumed during the cutting operation—the nozzle extends out and forwardly from the member body, stabilized by the continuous flow of coolant fluid therethrough, forcing the nozzle forwardly. In the retracted position, for example, assumed when the when the coolant fluid does not flow through the coolant conveying member, or flows at a very low rate, the nozzle may be at least partially accommodated in the fluid passage, to allow, for example, indexing or replacing of the cutting insert. | 08-05-2010 |
20100239377 | CUTTING TOOL HAVING COOLANT DELIVERY SYSTEM FOR PROVIDING CUTTING FLUID IN A FAN-LIKE PATTERN - A cutting tool includes a body having a forward end and a rearward end. The forward end includes an insert-receiving pocket. The body further includes a coolant delivery system comprising a main coolant passage having a main coolant inlet extending from the rearward end toward the forward end, a primary coolant passage in fluid communication with the main coolant passage and having a primary coolant outlet exiting from the insert-receiving pocket, and a secondary coolant passage in fluid communication with the primary coolant passage and having a secondary coolant outlet exiting into the insert-receiving pocket. The primary coolant outlet intersects the secondary coolant outlet to form an outlet having a substantially non-circular shape. As a result, the coolant fluid exiting the outlet is in a fan-like pattern and is evenly distributed over the cutting edge of the insert. | 09-23-2010 |
20100254772 | Indirect Cooling of a Cutting Tool - A cutting tool having a cutting element such as an insert is cooled indirectly by a micro-channel heat exchanger that is mounted against the rear face of the insert. The heat exchanger is formed with an internal cavity that receives a coolant such as a cryogen. The cavity may include fins to enhance the removal of heat by the cryogen from the insert. Coolant inlet and outlet tubes are coupled to the interior of the heat exchanger to supply cryogen to the cavity. The flow rate of cryogen required to cool the insert during a given machining operation is less than one percent of the amount of standard coolant required to cool the same insert during the same machining operation. | 10-07-2010 |
20100260558 | TOOL FOR THE MACHINING OF WORKPIECES - The invention relates to a tool ( | 10-14-2010 |
20100322722 | Combined-Type Lathe Tool - A combinative cutter includes a holder, a shank, a blade and at least two screws. The holder includes an eccentric bore defined at an end and at least two screw holes in communication with the eccentric bore. The shank is inserted in the eccentric bore and formed with a planar face. The blade is attached to an end of the shank extending beyond the holder. The screws are driven through the screw holes and abutted against the planar face to keep the shank in the eccentric bore. | 12-23-2010 |
20110020072 | SHIM FOR A CUTTING INSERT AND CUTTING INSERT-SHIM ASSEMBLY WITH INTERNAL COOLANT DELIVERY - A cutting insert-shim assembly that has a cutting insert with a bottom surface and a plurality of interior coolant passages wherein each interior coolant passage has a coolant inlet in the bottom surface of the cutting insert. The shim has a first side surface and a second side surface and contains a cavity, which communicates with the coolant conduit. The cavity defines a first opening in the first side surface and a second opening in the second side surface. When the shim is in a first condition, the first side surface contacts the bottom surface of the cutting insert and the first opening provides a first level of coolant communication to the interior coolant passages in the cutting insert. When the shim is in a second condition, the second side surface contacts the bottom surface of the cutting insert and the second opening provides a second level of coolant communication to the interior coolant passages in the cutting insert. | 01-27-2011 |
20110020073 | CUTTING INSERT ASSEMBLY AND COMPONENTS THEREOF - A cutting assembly that is useful in an operation for chipforming removal of material from a workpiece. The cutting assembly includes a holder having a seat and containing a coolant delivery passage. A locking pin, which has a longitudinal locking pin bore, is affixed to the seat so the longitudinal locking pin bore is in communication with the coolant delivery passage. A cutting insert has a rake surface, a corner cutting edge region, a central cutting insert aperture, and a radial coolant trough with an orientation toward the corner cutting edge region. At least a portion of the locking pin is within the central cutting insert aperture. A clamp assembly attaches to the holder and engages the cutting insert. The clamp assembly has a diverter plate, which has a bottom surface defining a diverter bowl and a diverter channel. The longitudinal locking pin bore opening to the diverter plate whereby coolant flows into the diverter bowl and through the diverter channel into the radial coolant trough toward the corner cutting edge region. | 01-27-2011 |
20110020074 | CUTTING INSERTS - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 01-27-2011 |
20110020075 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 01-27-2011 |
20110020076 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 01-27-2011 |
20110020077 | CUTTING INSERT HAVING A CHIP DEFLECTOR - The cutting insert ( | 01-27-2011 |
20110027021 | CUTTING INSERT WITH INTERNAL COOLANT DELIVERY AND CUTTING ASSEMBLY USING THE SAME - A metalcutting insert that is useful in chipforming and material removal from a workpiece The metalcutting insert includes a metalcutting insert body, which includes a cutting edge having at least one discrete cutting location. The metalcutting insert body further contains a distinct interior coolant passage communicating with the discrete cutting location. The distinct interior coolant passage has a coolant passage inlet defining a coolant passage inlet cross-sectional area, a coolant passage discharge defining a coolant passage discharge cross-sectional area, and an axial coolant passage length. The distinct interior coolant passage defines a coolant flow cross-sectional area along the axial coolant passage length thereof. The coolant passage inlet cross-sectional area is substantially the same as the coolant passage discharge cross-sectional area. The geometry of the coolant flow area changes along the axial coolant passage length. | 02-03-2011 |
20110027022 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 02-03-2011 |
20110027023 | MILLING CUTTER AND MILLING INSERT WITH COOLANT DELIVERY - A cutting insert for use in chipforming and material removal from a workpiece wherein coolant is supplied to the cutting insert from a coolant source. The cutting insert includes at least one discrete cutting location and at least one distinct internal channel that corresponds to the cutting location. The internal channel has an inlet to receive coolant and an outlet to exit coolant. The outlet is proximate to the cutting location, and the inlet is radial inward of the outlet. | 02-03-2011 |
20110027024 | MILLING CUTTER AND MILLING INSERT WITH COOLANT DELIVERY - A cutting insert for use in chipforming and material removal from a workpiece wherein coolant is supplied to the cutting insert from a coolant source. The cutting insert includes at least one discrete cutting location and at least one distinct internal channel that corresponds to the cutting location. The internal channel has an inlet to receive coolant and an outlet to exit coolant. The outlet is proximate to the cutting location, and the inlet is radial inward of the outlet. | 02-03-2011 |
20110033249 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 02-10-2011 |
20110033250 | MILLING CUTTER AND MILLING INSERT WITH COOLANT DELIVERY - A cutting insert for use in chipforming and material removal from a workpiece wherein coolant is supplied to the cutting insert from a coolant source. The cutting insert includes at least one discrete cutting location and at least one distinct internal channel that corresponds to the cutting location. The internal channel has an inlet to receive coolant and an outlet to exit coolant. The outlet is proximate to the cutting location, and the inlet is radial inward of the outlet. | 02-10-2011 |
20110052336 | Interface Element - An interface element between a first tool element and a second tool element includes a projection on one of the first and second tool elements and a cavity that receives the projection on the other of the first and second tool element. The cavity comprises inner contours which are designed to receive polygonal and/or stellate projections. | 03-03-2011 |
20110070037 | CUTTING TOOL - A cutting tool ( | 03-24-2011 |
20110076105 | CYLINDRICAL ROTATING TOOL WITH INTERNAL FLUID PASSAGE AND MACHINING METHOD USING THE SAME - A cylindrical rotating tool comprises a major diameter portion having formed therein an internal fluid passage, a minor diameter portion provided in front of the major diameter portion, and a tip attached to the front of the minor diameter portion. When seen from behind the central axis line, an inner circumference of an outlet of the internal fluid passage intersects with an outer circumference of the minor diameter portion. At the site of the outlet, a notch is formed on an outer circumferential surface of the minor diameter portion. An inclined portion of the notch is formed obliquely so that the distance from the central axis line to the inclined portion on further forward of the minor diameter portion becomes larger than the distance from the central axis line to the inclined portion on a closest position on the entire circumference of the outlet to the central axis line. The inclined portion guides a partial flow of the coolant, gushing forward from the outlet, outward in a radial direction of the minor diameter portion. Accordingly, the coolant ejected forward from the outlet flows over the outer circumferential surface of the tool, spreading like a curved fan without diffusing outward in the radial direction, and is supplied to the tip, whereby the outer circumferential surface of the tool and the tip are cooled. | 03-31-2011 |
20110103902 | Toolholder Coupling For High Pressure Coolant - A coolant coupling system for coupling a toolholder to a toolholder support member, wherein the shank of the toolholder is secured within the bore of the toolholder support member with an interference fit and a coolant channel extends through the toolholder support member to the toolholder passing through the region of the interference fit to provide a high pressure seal for the coolant passageway between the toolholder and the toolholder support member. | 05-05-2011 |
20110103903 | CUTTING TOOL - A tool for chip removing machining, including a primary tool part and a secondary tool part. The primary tool part includes a primary connecting surface, an opposite surface, a recess that extends from the primary connecting surface toward the opposite surface, and a wall section between a bottom surface of the recess and the opposite surface. The secondary tool part includes a secondary connecting surface, a protuberance that extends from the secondary connecting surface and, in a mounted state, into the recess, the protuberance having an end surface that, in the mounted state, faces the bottom surface of the recess. A shaft part is for fixing in a machine tool. A fastening element, which, by a contractive force in the mounted state, connects the wall section with the protuberance. A center axis extends in a longitudinal direction of the tool through the primary tool part, the recess, the secondary tool part, the protuberance, and the shaft part. An insert seat is formed in at least one of the primary tool part and the secondary tool part for receiving a cutting insert. The wall section is elastically flexible and, in the mounted state, bent toward the end surface of the protuberance by the contractive force of the fastening element. | 05-05-2011 |
20110158755 | Planar Cutting Tool and Associated Tool Holder - The invention relates to a rotary or fixed cutting tool for machining elements made of a hard and/or abrasive material, said tool comprising at least one active portion having hardness and/or abrasion properties higher than that of the material to be machined, and a passive portion interacting with a tool holder including a clamp, characterised in that the active portion and the passive portion of said tool are formed by an intergral plate defining both portions and obtained directly from a blank having a predetermined constant thickness and a hardness corresponding to that of the active portion so as to obtain a planar tool, and in that the passive portion is elongate and has a constant substantially quadrangular cross-section for interaction with a housing with a corresponding cross-section in the clamp, wherein the integral planar tool thus formed is directly mounted in the housing secured by tightening the same in the clamp. | 06-30-2011 |
20110200402 | Cutting Insert and Cutting Tool - A cutting insert has a longitudinal insert axis A, a cutting head and an insert shank which extends rearwardly from the cutting head. The insert shank includes an insert clamping portion with an asymmetric cross section taken perpendicular to the insert axis A. The insert shank has a peripheral surface extending along at least a portion of the total length of the insert shank. The cutting insert has a first dividing plane P | 08-18-2011 |
20110217131 | Rotary Cutting Tool Having an Adjustable Cooling Mechanism - A milling cutter, having an adjustable cooling mechanism, has a tool body having a body central bore. At least one flute is formed on a body peripheral face. Each flute comprises a first row of insert pockets and at least a second row of insert pockets axially rearwardly displaced from the first row. The cooling mechanism includes a center pin having at least two grooves axially spaced apart from one another along the length of the center pin. A relocatable seal is seated in one of the grooves. When the relocatable seal is seated in a first groove, the body central bore is in fluid communication with cooling holes associated with a first number of rows of inserts; when the relocatable seal is seated in a second groove, the body central bore is in fluid communication with cooling holes associated with a second number of rows of inserts. | 09-08-2011 |
20110229277 | CUTTING INSERT WITH INTERNAL COOLANT DELIVERY AND SURFACE FEATURE FOR ENHANCED COOLANT FLOW - A metalcutting insert that is useful in chipforming and material removal from a workpiece. The metalcutting insert includes a metalcutting insert body, which includes a cutting edge having at least one discrete cutting location. The metalcutting insert body further contains a distinct interior coolant passage communicating with the discrete cutting location. The distinct interior coolant passage has a coolant passage inlet defining a coolant passage inlet cross-sectional area, a coolant passage discharge defining a coolant passage discharge cross-sectional area, and an axial coolant passage length. The distinct interior coolant passage defines a coolant flow cross-sectional area along the axial coolant passage length thereof. The metalcutting insert further includes a plurality of surface features for enhancing coolant flow to the cutting edge. | 09-22-2011 |
20110299944 | CUTTING TOOL AND CUTTING INSERT WITH FLUID FLOW STRUCTURES - A cutting tool includes a cutting insert comprising a top surface, a bottom surface, a clamping surface for abutting a clamp, a cutting edge, a hole extending through the insert from the bottom surface to the clamping surface, and a channel extending from the clamping surface to proximate the cutting edge, and a tool holder comprising a tool holder body having a pocket for receiving the insert, a clamp for contacting the clamping surface and clamping the insert in the pocket, and a tool holder passage in the body in flow communication with the hole in the insert. A cutting insert is also provided. | 12-08-2011 |
20110299945 | Cutting Insert Having Non-Symmetrical Back Side Face Portion and Cutting Tool Comprising the Same - A cutting insert has an upper face and a lower face; a front side face portion and a back side face portion, the front and back side face portions connecting the upper face and the lower face; and a through-hole passing through the upper face and the lower face. A cutting edge is formed in the front side face portion, and the back side face portion is provided with a first inclined face and a second inclined face which are inclined forwardly at different angles, respectively, with respect to a plane normal to a rotational axis. The first inclined face is longer than the second inclined face so that the back side face portion has a non-symmetrical convex “V” shape. | 12-08-2011 |
20110305531 | Cutting Tool and Shaped Coolant Outlet Therefor - A cutting tool ( | 12-15-2011 |
20110311323 | Cutting Tool Having An Ambidextrous Clamp and Coolant Supply - A cutting tool includes a tool body and an ambidextrous clamp for removably securing a cutting insert to the tool body. The clamp has at least one internal fluid duct passing through a space between two clamp screw throughbores located mirror symmetrically with respect to a plane of symmetry and extending from a coolant fluid inlet port to at least one discharge orifice. The clamp is secured to the tool body by a single screw located in one of the clamp screw throughbores and threadingly engaged with a single threaded bore of the tool body. The same clamp is used in both left-handed and right-handed tools, and the jet of the coolant fluid is ejected from the discharge orifice of the clamp onto the same region of the cutting insert in both cases. | 12-22-2011 |
20110311324 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 12-22-2011 |
20110311325 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 12-22-2011 |
20110318117 | Cutting Insert And Holder For Rotating Applications - A cutting insert rotated about an axis may be utilized during a metal working operation and applied against the rotating workpiece to enhance tool performance. Coolant may be provided through the central bore of the cutting insert utilizing bypass ports around the threaded hold-down bolts. Additionally, the cutting insert may be held within the toolholder pocket utilizing hoop walls which follow a serpentine path to provide flexibility. Finally, relative rotation of the cutting insert with respect to the toolholder body may be prevented utilizing a pair of protrusions within the toolholder pocket which engage a pair of recesses within a side of the cutting insert. | 12-29-2011 |
20120020748 | TOOL OF MACHINE TOOL - A tool of a machine tool includes a tool body | 01-26-2012 |
20120057942 | METAL CUTTING SYSTEM FOR EFFECTIVE COOLANT DELIVERY - A metal cutting system with a tool holder, a shim, an insert with a top depression, a top piece and a clamp. A rake face cooling channel for fluid delivery is formed between the top piece and the depression in the insert. A primary discharge slot at the end of the rake face cooling channel delivers fluid from below the cutting edge of the insert. A second cooling channel for delivery of fluid to the flank face is formed between the insert and the shim or is formed between the shim and the tool holder with a portion of the cooling channel passing through the shim. | 03-08-2012 |
20120070237 | TOOL HOLDER COMPRISING A COOLING MEANS - A tool holder for a machining tool includes a cooling means for a compressed air blowing tool and a device for cooling air compressed by a vortex tube device. The tool holder is generally cylindrical and the vortex tube device advantageously includes a plurality of vortex tubes placed annularly around the axis of the cylinder and the cold air outputs of which are directed at the tool held by the tool holder. | 03-22-2012 |
20120082518 | MICRO-JET COOLING OF CUTTING TOOLS - A cutting tool includes an insert defining a flank face, a rake face, and a cutting edge between the flank face and rake face. The cutting tool includes micro-nozzles formed in at least one of the tool body and the insert, and aimed at the cutting edge. Each micro-nozzle generates a micro jet of cutting fluid in close proximity to the cutting edge and adjacent to at least one of the flank face and the rake face. | 04-05-2012 |
20120087746 | CUTTING TOOLS AND CUTTING INSERTS INCLUDING INTERNAL COOLING - A cutting tool comprises a cutting insert, a tool holder, and a fastener. The cutting insert comprises a cutting edge and a fastener bore adapted to accept a fastener for fastening together the cutting tool and tool holder. A coolant flow recess in the fastener bore is adapted to direct coolant though the coolant flow recess and toward a head portion of the fastener. The tool holder comprises an insert pocket adapted to removably fasten the cutting insert and fastener to the tool holder, and a coolant bore adapted to direct the coolant from the tool holder to the coolant flow recess of the fastener bore. The head portion of the fastener and the coolant flow recess of the fastener bore define a gap that directs the coolant to the cutting edge of the cutting insert. | 04-12-2012 |
20120087747 | CUTTING TOOL INCLUDING AN INTERNAL COOLANT SYSTEM AND FASTENER FOR A CUTTING TOOL INCLUDING AN INTERNAL COOLANT SYSTEM - A cutting insert fastener adapted to secure a cutting insert to a cutting tool holder. The fastener comprises a fastener head portion comprising at least one feature adapted to direct a coolant fluid to an insert cutting edge of a cutting insert when the cutting insert is secured to a cutting tool holder by the cutting insert fastener. Cutting tools comprising internal coolant systems and fastened with a cutting insert fastener comprising a fastener head portion with at least one feature adapted to direct a coolant fluid to an insert cutting edge are also disclosed. | 04-12-2012 |
20120093592 | Tool for Machining Workpieces - The tool has a clamping part ( | 04-19-2012 |
20120121344 | Cutting Tool for a Machine Tool - The invention relates to a cutting tool for a machine tool, comprising a cutting head ( | 05-17-2012 |
20120141215 | Multi-Functional Cutting Tool - A multi-functional cutting tool can be used for a turning process as well as a drilling process. The multi-functional cutting tool includes: a shank having a flat surface to be fixed to a cutting device; first and second cutting portions of cylindrical shape, each of which extends from the respective ends of the shank; and a cooling hole straightly extending and penetrating into the cutting tool from the end of the first cutting portion to the end of the second cutting portion in a direction of the rotational axis of the cutting tool. | 06-07-2012 |
20120170983 | Cutting Tool Assembly for Stable Coupling Structure - A cutting tool assembly includes a cutting head having a coupling face provided with a multilateral recess, a shank having a coupling face provided with a multilateral recess corresponding to that of the cutting head, and a multilateral coupling plate which fits complementarily into the interior space created by the multilateral recesses. The cutting tool assembly provides a more stable coupling structure, since rotational torque is transmitted through the multilateral coupling plate from the shank to the cutting head, whereas in the prior art coupling screws are used to directly bear the torque force. | 07-05-2012 |
20120230780 | CUTTING ASSEMBLY - A toolholder has a head region, which contains a slot separating the head region into a lower section and an upper section, with a lower seat and an upper section to retain a cutting insert. The head region contains a coolant entrance passage, which receives coolant from a coolant source, and a coolant delivery passage, which discharges coolant toward a cutting insert. The head region further contains a fastener bore, which receives a fastener. The fastener has an axial fastener bore which provides fluid communication between the coolant entrance passage and a coolant reservoir between the fastener and the fastener bore. The coolant delivery passage communicates with the coolant reservoir to receive coolant, which passed from the coolant entrance passage and through the axial fastener bore into the coolant reservoir. | 09-13-2012 |
20120230781 | CUTTING TOOL INCLUDING A LOCKING SCREW AND ADAPTER WITH COOLANT DELIVERY - A cutting tool has a cutter body, which carries a cutting insert, and an adapter, which has a longitudinal adapter axis, wherein a locking screw attaches the cutter body to the adapter. A coolant volume is defined in a vicinity of a meeting of the cutter body, the adapter and the locking screw. The adapter contains an axial adapter bore. The locking screw contains a transverse locking screw bore in fluid communication with the axial adapter bore. The locking screw further contains a peripheral transverse locking screw bore passage in fluid communication with the coolant volume and the transverse locking screw bore. The coolant volume and the transverse locking screw bore are in fluid communication with the cutter body coolant passage. | 09-13-2012 |
20130017024 | CUTTING TOOL AND CUTTING INSERT WITH FLUID FLOW STRUCTURES - A cutting tool includes a cutting insert comprising a top surface, a bottom surface, a clamping surface for abutting a clamp, a cutting edge, a hole extending through the insert from the bottom surface to the clamping surface, and a channel extending from the clamping surface to proximate the cutting edge, and a tool holder comprising a tool holder body having a pocket for receiving the insert, a clamp for contacting the clamping surface and clamping the insert in the pocket, and a tool holder passage in the body in flow communication with the hole in the insert. A cutting insert is also provided. | 01-17-2013 |
20130028669 | CUTTING TOOL - A tool is provided. The tool comprises an interchangeable cutting portion and a holder to which the interchangeable cutting portion is adapted to be replaceably mounted. The interchangeable cutting portion comprises a first part with at least one cutting edge and a second part for connection to the holder, the second part being provided with a conical external abutment surface and an external cylindrical screw thread. The holder is provided with an internal cylindrical screw thread, to which the external screw thread is removably screwed, and a conical internal abutment surface, the conical external abutment surface and the conical internal abutment surface being mutually engageable for positioning the cutting portion and the holder relative to one another. | 01-31-2013 |
20130078043 | CUTTING INSERT ASSEMBLY AND COMPONENTS THEREOF - A cutting assembly useful for the chipforming removal of material from a workpiece at the cutting insert-workpiece interface. The cutting assembly has a holder with a coolant passage and a seat. As one option, a stud extends away from the seat and facilitates coolant flow to an insert locking cap, which attaches to the stud. The insert locking cap directs coolant flow toward the cutting insert-workpiece interface. As another option, a diverter plate has a bottom surface with a bowl and an arcuate forward surface with one or more openings. Coolant flows from the coolant passage into the bowl then exits through at least one opening in the arcuate forward surface towards the cutting insert-workpiece interface. | 03-28-2013 |
20130084139 | DEVICE FOR MACHINGING BY TURNING | 04-04-2013 |
20130101362 | Method of Joining Two Components to Ensure Axial and Angular Alignment Therebetween - A method for bonding together components, such as a tip and a shaft which include mutually facing carbide end surfaces. The tip includes circumferentially spaced flutes formed in its cylindrical outer periphery. The shaft has a cylindrical outer periphery and a plurality of coolant holes extending through the shaft. Bonding of the tip to the shaft is performed by inserting gauge wires into the coolant holes and associated flutes, and positioning brazing material between the first and second end surfaces. A water-soluble bond-blocking material is applied to the gauge wires for preventing brazing of the gauge wires to the brazing material. The brazing material is heated to braze the first and second end surfaces together while the flutes and their associated coolant holes are maintained in alignment by the gauge wires. Then, the gauge wires are removed, and residual bond-blocking material is dissolved in water. | 04-25-2013 |
20130108380 | TOOL HOLDER AND MACHINE TOOL | 05-02-2013 |
20130115017 | CHIP BREAKER SYSTEM, COOLING CHANNEL, COOLING CHANNEL SYSTEM AND HIGH-SPEED REAMER COMPRISING AT LEAST ONE THEREOF - The description shows a chip breaker system for a drilling, turning, milling or reaming tool, wherein the chip breaker system comprises: a portion of a flute and a first area which is produced by a progressive cut, wherein a first edge is arranged between the portion and the first area in such a way that chips produced by a cutting movement of the drilling, turning, milling or reaming tool can be broken at the first edge. The application further relates to a high-speed reamer comprising such a chip breaker system, a reamer made of solid carbide, a reamer with axially extending cooling channels which are disposed in a decentralized manner, a reamer with cooling channels which are unevenly distributed in the peripheral direction, and a reamer with cooling channels, wherein the outlet openings of the cooling channels are arranged on different cutting planes. | 05-09-2013 |
20130129428 | CUTTING ASSEMBLY WITH ENHANCED COOLANT DELIVERY - A toolholder has a head portion including a slot separating the head portion into a lower extension with a lower seat and an upper extension with an upper seat to retain a cutting insert. The head portion contains a coolant entrance passage, which receives coolant from a coolant source, and a coolant delivery passage, which discharges coolant toward a cutting insert. The cutting insert includes a top surface with an upwardly extending protuberance that can be engaged by the toolholder to rigidly mount the cutting insert in the head portion of the toolholder. The cutting insert further includes a coolant channel formed in the top surface of the cutting insert that is positioned directly opposite of the coolant discharge to enhance the flow rate of the coolant delivered to the cutting insert-workpiece interface. | 05-23-2013 |
20130129429 | ROTARY CUTTING TOOL WITH COOLANT PASSAGE DISPOSED IN NON-CIRCULAR RECESS FOR REDUCING STRESS - A cutting tool includes a tool body having a plurality of pockets for receiving cutting inserts. Each pocket includes a bottom support surface, an axial support surface, a radial support surface and a corner relief between the bottom support surface and the radial support surface. A non-circular recess is formed proximate the pocket, and a coolant passage is disposed within the recess. The recess reduces a tensile stress of the cutting tool during a machining operation | 05-23-2013 |
20130183107 | CUTTING TOOLS AND CUTTING INSERTS INCLUDING INTERNAL COOLING - A cutting tool comprises a cutting insert, a tool holder, and a fastener. The cutting insert comprises a cutting edge and a fastener bore adapted to accept a fastener for fastening together the cutting tool and tool holder. A coolant flow recess in the fastener bore is adapted to direct coolant though the coolant flow recess and toward a head portion of the fastener. The tool holder comprises an insert pocket adapted to removably fasten the cutting insert and fastener to the tool holder, and a coolant bore adapted to direct the coolant from the tool holder to the coolant flow recess of the fastener bore. The head portion of the fastener and the coolant flow recess of the fastener bore define a gap that directs the coolant to the cutting edge of the cutting insert. | 07-18-2013 |
20130195564 | ROUGHING CUTTING INSERT - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 08-01-2013 |
20130195565 | FINISHING CUTTING INSERT - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 08-01-2013 |
20130216318 | MACHINING TOOL - The application relates to a machining tool ( | 08-22-2013 |
20130223941 | MACHINING TOOL AND METHOD FOR PRODUCING SAME - A machining tool comprising at least one plate-shaped cutting insert made of impact- and/or wear-resistant cutting material at least in some sections and which is adhesively bonded to a cutter holder directly by means of an adhesive layer in an immovable manner by means of a contact surface arrangement, the cutting insert substantially prism-shaped. A base area of the prism is adhesively bonded to the cutting insert holder substantially over the full area, a jacket surface arrangement of the prism adjacent to the cutting edge for spatially fixing the cutter is drawn to the tool, and a section of the jacket surface arrangement substantially opposite the cutting edge is caught in a fitting groove of the cutting insert holder. | 08-29-2013 |
20130236253 | Parting Blade and Blade Holder Configured for Conveyance of Pressurized Coolant - A cutting tool assembly includes a parting blade and a blade holder for holding same. The cutting tool assembly is configured for conveying pressurized coolant via the blade holder to a cutting portion of the parting blade. The blade holder includes a deceleration chamber configured for reducing impact of the pressurized coolant against the parting blade. | 09-12-2013 |
20130251463 | CUTTING TOOL WITH COOLING MECHANISM AND A CUTTING INSERT AND TOOL HOLDER THEREFOR - A cutting insert ( | 09-26-2013 |
20130259584 | LONG SHAFT BIT HAVING VIBRATION PREVENTING STRUCTURE - The present invention relates to a bit for processing the inside diameter of a work material, the bit having on the outer surface of a shank a vibration preventing structure comprising a vibration absorption body made of a silicone material, and a hollow wire rod, thereby absorbing the vibration generated from a machine tool, preventing resonance generated between the work material and a tool, and thus, enabling the implementation of a slickenside from ultra-precision machining. | 10-03-2013 |
20130272806 | CUTTING HEAD WITH COOLANT CHANNEL - A rotational tool includes a cutting head and a basic body. The cutting head includes a cutting portion including a chip flute and at least one of a cutting edge and an insert seat, where the chip flute is located before the at least one of the cutting edge and the insert seat in a rotational direction of the cutting head. A coupling portion is located axially rearward of the cutting portion relative to a cutting end of the cutting head, and is configured to couple to the basic body. A coolant slot extends axially and opens at an external radial surface of at least a portion of the cutting head. | 10-17-2013 |
20130272807 | CUTTING TOOL FOR MACHINING A WORKPIECE - A cutting tool for machining a workpiece. The cutting tool comprises a holder and at least two cutting inserts which are separated from each other by a spacer element. The cutting tool may be used to produce two or more bevels (and/or joints and/or grooves) at precisely defined spacings in only one operation. Through the use of spacer elements of different lengths, it is possible to produce bevels at different spacings. The spacer element preferably has an interface which comprises only radial contact surfaces, which run parallel to a longitudinal axis of the spacer element, and a substantially flat axial contact surface, which runs transverse to the longitudinal axis. The length of the spacer element can therefore be shortened on the rear side of the spacer element without destroying said interface. | 10-17-2013 |
20130302098 | Milling Tool - A milling tool for hobbing a workpiece. The milling tool includes a cylindrical tool body having a rotation axis and a plurality of disc-shaped segments. Each of the segments including a hub part and a peripheral cam having a plurality of tangentially spaced-apart milling inserts. Each segment has a through hole situated on the rotation axis. Each of the holes is directed in relation to each other such that a central duct is formed in the cylindrical tool body. Bordering segments are detachably torsionally rigidly interconnected The milling tool also includes a first end piece, which on one side is detachably and torsionally rigidly interconnected with a first one of the segments and which on the other side has coupling members for torsionally rigid coupling to a source of torque, such that all torque from the source is supplied to the cylindrical tool body via the first end piece. | 11-14-2013 |
20130309025 | CASSETTE FOR A MILLING CUTTER - The invention relates to a cassette for a milling cutter, having a cutter carrier and a clamping part, which together constitute a generally rectangular cassette, the cutter carrier and the clamping part being loosely placed on each other and together delimiting a fastening opening for a fastening screw by means of which the cassette can be fastened in a receiver of a milling cutter, the cutter carrier having a seat for a cutting insert. The invention additionally relates to a milling cutter having at least one receiver for a cassette and having at least one such cassette. | 11-21-2013 |
20140003872 | CASSETTE FOR A MILLING CUTTER | 01-02-2014 |
20140030033 | TOOL FOR THE MACHINING OF A WORKPIECE WITH LATERAL COOLANT OUTLET - A tool for machining a workpiece is presented. The tool has a cutting insert with at least one cutting edge, a holder having a shank, and a cutting insert receptacle, wherein the cutting insert receptacle is arranged in a region of a workpiece-side end face of the shank, and the cutting insert is disposed in the cutting insert receptacle. The holder has a coolant bore, which opens out into a plurality of coolant outlets. The plurality of coolant outlets are arranged on the workpiece-side end face of the shank, alongside the cutting insert receptacle, and are oriented such that coolant is discharged towards the cutting insert. At least some of the coolant outlets lie in a coolant outlet plane which runs parallel to and offset from a cutting insert plane running through the cutting insert receptacle, where the coolant outlet plane and the cutting insert plane run parallel to the longitudinal direction of the shank. | 01-30-2014 |
20140056656 | TURNING TOOL FOR INTERNAL MACHINING - A turning tool for internal machining has a spiral groove at a head section entering an inside of a workpiece. The turning tool includes a tool body, which has a head section and a shank section extending from the head section, and a cutting insert. The head section includes the following: a flat portion extending from a front end of the head section, which enters the inside of a workpiece, toward the shank section; an insert pocket formed at an edge of the flat portion as offset from a central axis of the tool body; and a chip flute extending from a proximity of the insert pocket toward the shank section across the central axis of the tool body and including a spiral curved surface on a peripheral surface of the head section. The cutting insert is replaceably mounted to the insert pocket. | 02-27-2014 |
20140064862 | Holder assembly for a cutting tool insert and a cutting tool - A holder assembly for a cutting tool insert for machining operations. The holder assembly has first and second spaced apart clamping members, each having respective inner seating surfaces facing one another and defining an intermediate gap to receive the cutting tool. The clamping members are movable towards each other by a clamping mechanism to clamp and secure the cutting tool insert between the seating surfaces. The clamping mechanism includes a drawbar that is received in a cavity formed in each of the clamping members and are aligned with each other and extends in a transverse direction in relation to the intermediate gap. The clamping mechanism also includes a compression spring member, which presses the clamping members towards each other to secure clamping of the cutting tool insert. The clamping mechanism is released by a releasing member that overcomes the spring force acting to move the clamping members towards each other. | 03-06-2014 |
20140079495 | CUTTING INSERTS - A cutting insert for use in a chipforming material removal operation that includes a cutting insert body, which has a seating surface, a flank face, and a corner cutting region at the intersection of a peripheral edge and the flank adjacent corresponding corners thereof. The cutting insert body contains a central aperture. The seating surface contains a coolant delivery trough, which has a radial orientation toward a corresponding corner cutting region. The coolant delivery trough has a radial outward end terminating at the peripheral edge and a radial inward end opening into the central aperture. There are a pair of lateral topographic regions wherein the one lateral topographic region is along one side of the coolant delivery trough and the other lateral topographic region is along other side of the coolant delivery trough. | 03-20-2014 |
20140099168 | HOLDER FOR A CUTTING DEVICE - A cutting device comprising a cutting insert and a holding part with a beam part, extending in a longitudinal direction, and a clamping head, which projects beyond an upper side of the holding part with a projection, wherein the projection is connected to a first of two clamping fingers which between them form a receiving pocket for receiving the cutting insert. A clamping gap is provided underneath the projection to allow the first clamping finger to be elastically movable. The clamping gap opens out into the receiving pocket and runs from an end face of the holding part that is facing the workpiece to be worked in the longitudinal direction up to the rear end of said holding part, which rear end is arranged in the transitional region between the clamping head and the beam part. A coolant and/or lubricant guide is provided for feeding coolant and/or lubricant to a coolant and/or lubricant outlet arranged in the projection. The projection extends with a continuing portion in the longitudinal direction beyond the rear end of the clamping gap and the coolant and/or lubricant guide runs through the continuing portion. | 04-10-2014 |
20140133924 | Cutting Tool Holder with Internal Coolant Passage Having a Compressible Member - A cutting tool holder has a holder body and upper and base jaws. An insert receiving pocket is defined between the upper and base jaw, for receiving a cutting insert therein. A resilience recess allows the upper jaw to deflect toward the base jaw. An upper jaw coolant channel has an upper jaw inlet, opening out to the resilience recess, and an upper jaw outlet, opening out to a front end of the upper jaw. A holder body coolant channel has a holder body outlet, opening out to the resilience recess, spaced apart from the upper jaw inlet. A compressible tool coolant plug, made of compressible material, is inserted into the resilience recess. The plug has a plug coolant channel opening out toward the upper jaw inlet and the holder body outlet, forming a fluid path from the holder body coolant channel to the upper jaw coolant channel. | 05-15-2014 |
20140147219 | CUTTING INSERT HAVING A COOLANT DUCT - A cutting insert having a main lip, a rake face and at least one coolant duct, which is formed on the top side of the cutting insert, is disclosed. The at least one coolant duct runs at least partially in the rake face towards the main lip and the width increases towards the main lip. | 05-29-2014 |
20140161543 | ROTARY CUTTING TOOL WITH EFFECTIVE CHIP EVACUATION - A rotary cutting tool, such as a milling cutter ( | 06-12-2014 |
20140169890 | TOOLHOLDER ASSEMBLY WITH INTERNAL COOLANT DELIVERY SYSTEM - A toolholder assembly includes a toolholder body having a coolant passage and a cutting insert seated within a recess of the body. The cutting insert includes an insert orifice extending between a top face and a bottom face that aligns with the coolant passage. A lock pin includes a lock pin orifice that aligns with and is in fluid communication with the coolant passage of the body. The lock pin orifice has an outlet port to allow the fluid to flow through the lock pin orifice and exit through the outlet port. A lock pin ring includes a coolant port in fluid communication with the outlet port of the lock pin to effectively discharge cooling fluid in the direction of a cutting area of the cutting insert. | 06-19-2014 |
20140212225 | COOLANT SPRAY NOZZLE AND CUTTER WITH COOLANT SPRAY NOZZLE - A coolant spray nozzle for use in conjunction with a cutter with a coolant duct wherein the cutter retains a cutting insert with a cutting edge that engages a workpiece at an insert-chip interface having a length. The coolant spray nozzle includes a coolant spray nozzle body containing a bore and an adjustable fan spray nipple having a slot with a slot opening through which coolant discharges in a fan-shaped coolant spray so as to impinge the insert-chip interface along substantially the entire length of the insert-chip interface. | 07-31-2014 |
20140270999 | COOLANT DELIVERY DEVICE FOR CUTTING TOOLS - A coolant delivery device having ball-socket joint structure is provided. A socket has a through hole along its axial direction, which communicates with a ball-shape cavity formed on the upper part of the socket. An O-ring for sealing is provided in an annular undercut formed at the bottom of the inner edge of the ball-shape cavity, and an O-ring for fixing is assembled at the top end of the ball-shape cavity. A sprinkle head has an integral combination of an upper ball base and a lower ball base which is capable of rotational motion around many axes, Thus, the orientation of a nozzle projecting outward from the upper ball can be adjust at any angle by the rotational motion of the lower ball base in the ball-shape cavity, so as to allow coolant ejected out of the nozzle aiming at target zone precisely. | 09-18-2014 |
20140294520 | TOOL SYSTEM - A cutting tool system comprising a carrier tool, a cutting plate having a clamping recess and a clamping element with an associated clamping bolt, wherein on the underside of the clamping element, which underside faces the cutting plate, an engagement element is arranged that is in clamping contact with the clamping recess in the engaged state and thereby anchors the cutting plate, and the clamping element is guided via a chamfer in such a manner that when tightening the clamping bolt, the clamping element is pulled in the clamping direction. | 10-02-2014 |
20140321926 | Tool Holder Having A Clamping Member With A Non-Circular Cross-Section And Method For Clamping A Cutting Insert Therein - A tool holder has a main body with a holder head extending away from a holder shank, the holder head having an insert receiving pocket at a forward end thereof, with a pocket support surface. A clamping member is retained in the holder head, the clamping member comprising a clamping shaft longitudinally extending along a shaft axis. A locking member operatively engages an abutment surface of the clamping shaft. The shaft axis does not intersect the pocket support surface, and the clamping shaft has a non-circular shape in a cross-section taken perpendicular to the shaft axis. The tool holder is configured to direct a clamping force towards, and clamp a cutting insert against, the pocket support surface. | 10-30-2014 |
20140321927 | Cutting Insert, A Cutting Insert Holder, A System Including The Cutting Insert And Cutting Insert Holder, And A Method Of Manufacturing Thereof - A cutting insert for metalworking operations is retained within a cutting insert holder by a resilient tab on the holder that engages a recess on the stem of the insert. The cutting insert and the holder may be fabricated using rapid prototyping techniques such as 3D printing. | 10-30-2014 |
20140334887 | CLAMP TO HOLD A CUTTING INSERT ON A TOOL HOLDER - A clamp for holding a cutting insert on a tool holder and having a coolant passage therethrough to receive a coolant from a coolant supply conduit external to the tool holder and into an inlet of the clamp, and to impinge a coolant stream emerging from an outlet of the coolant passage onto a cutting interface between the cutting insert and a work piece. The flow of coolant through the coolant passage extends the life of the cutting insert by reducing heat generation at the cutting interface between the cutting edge of the cutting insert and the work piece. The coolant passage can be formed using conventional drilling tools. The clamp enables the extension of the service life of a cutting insert and can be used with conventional tool holders. | 11-13-2014 |
20140356081 | END MILL WITH HIGH RAMP ANGLE CAPABILITY - A rotary cutting tool with a longitudinal axis includes a shank portion, a cutting portion, and a cutting tip. The cutting portion includes a plurality of blades and a plurality of flutes. Each blade includes a leading face, a trailing face, and a land surface extending between the leading face and the trailing face. The cutting tip includes a corner radius, a first portion formed with a first dish angle, and second portion formed with a second dish angle and a third portion formed with a third dish angle. The trailing face contacts the work during a ramp operation in such a way that the first, second and third portions have a double positive geometry to provide the cutting tool with high ramp angle capability. | 12-04-2014 |
20140356082 | TOOL HOLDER FOR MACHINE TOOL, MACHINE TOOL ASSEMBLY, AND METHODS - A tool holder and method for a machine tool includes a rear facing fluid port that will flush the next tool loaded in a gang style tool block while also allowing the fluid, such as coolant, to flow to the tool that is engaged with the workpiece. | 12-04-2014 |
20140369772 | CUTTING TOOL ASSEMBLY HAVING CLAMP ASSEMBLY COMPRISING A CLAMP AND A COOLANT PLATE - A clamp assembly to secure a cutting insert to a holder that includes a clamp that has a distal end and a clamp projection depending from the distal end of the clamp. There is a coolant plate that has a top plate surface and a bottom plate surface wherein the top plate surface contains a recess that receives the clamp projection upon assembly of the clamp and the coolant plate. The bottom plate surface contains a bowl having an open bowl end wherein in operation the bowl directs coolant through the open bowl end toward the cutting insert. The assembly has a positioner extending between the clamp and the coolant plate so as to maintain a position of the clamp relative to the coolant plate upon the assembly of the clamp and the coolant plate. | 12-18-2014 |
20140377019 | HOLDER AND CUTTING TOOL - A holder and a cutting tool with the holder including an insertion hole at a front end part thereof, and a cutting insert that includes a cutting edge part and a shank part. The shank part has substantially a rod shape. A part of the shank part is immovably located in the insertion hole. The front end part of the holder includes a first curved surface part that becomes wider from a front end toward a back side when viewed from a side thereof. The first curved surface part includes: a curved line that extends from an edge of an opening of the insertion hole toward the back side; or a straight line that extends from the edge of the opening of the insertion hole and connects to a curved line that extends continuously from the straight line toward the back side without an angular part. | 12-25-2014 |
20150016899 | CUTTING INSERT - The invention relates to a cutting insert ( | 01-15-2015 |
20150030396 | BALL END MILL WITH COOLANT HOLES - A ball end mill comprises coolant holes and multiple cutting edges in which a rotation locus around an axis line forms a hemispherical shape having a center on the axis line. The cutting edges are formed at intervals in a circumferential direction at a tip of an end mill main body, which is rotated around the axis line. Some of the cutting edges are long edges intersecting each other on the axis line of a tip of the end mill main body, the remaining cutting edges are short edges each having an inner peripheral end at a position away from the axis line. Coolant holes are formed in the end mill main body and are opened on an extended line of the short edge toward the axis line from the inner peripheral end of the short edge in the tip of the end mill main body. | 01-29-2015 |
20150037105 | END MILL WITH COOLANT HOLES - An end mill comprises: a main body with two coolant holes; three chip discharge grooves formed at an outer periphery of a tip portion of the main body; gashes formed at the tip portions of the three chip discharge grooves; and three end cutting edges formed at intersecting ridgeline portions between tip flanks and wall surfaces facing an end mill rotation direction of the gashes. One end cutting edge is long and extends across the axis line at a tip of the main body. Inner peripheral ends of two remaining end cutting edges are disposed at intervals from the axis line. Two coolant holes are drilled toward a tip side in a direction of the axis line. A first coolant hole opens at the tip flank of the long edge, and a second coolant hole opens at a gash of one of the two remaining end cutting edges. | 02-05-2015 |
20150043979 | HIGH PRESSURE COOLANT TUBE AND TOOL BODY-HIGH PRESSURE COOLANT TUBE ASSEMBLY - A high pressure coolant tube for receipt by a tool body that includes a coolant tube body with an annular flange adjacent to the exit body end. There is a threaded collar that has an exterior threaded surface. The threaded collar contains an interior collar bore comprising an enlarged diameter interior collar bore surface portion and a reduced diameter interior collar bore surface portion. There is an exit seal pocket defined by an exit-facing flange surface of the annular flange and a reduced diameter body section and the enlarged diameter interior collar bore surface portion. There is an entrance seal assembly pocket defined by an entrance-facing flange surface of the annular flange and a reduced diameter body section and the enlarged diameter interior collar bore surface portion. An exit seal is in the exit seal pocket. An entrance seal assembly is in the entrance seal assembly pocket wherein the entrance seal assembly comprises an entrance seal sandwiched by a pair of thermoplastic polyester elastomeric rings. | 02-12-2015 |
20150063926 | INDEXABLE CUTTING INSERT WITH COOLANT DELIVERY - An indexable cutting insert includes a rake face, a flank surface, a bottom surface, and a central aperture defined by an aperture side wall. The indexable cutting insert further has a mouth defined by a mouth surface. There is a primary coolant trough that has an aperture section in the side wall contained in the aperture side wall, a mouth section contained in the mouth surface, and a rake face section contained in the rake face. There is a radial angular coolant trough, which has an entrance end opening into a selected one of the primary coolant trough and the mouth. The radial angular coolant trough has an orientation wherein the central longitudinal axis thereof is generally perpendicular to a corresponding discrete cutting edge whereby during operation a coolant stream is directed toward the corresponding discrete cutting edge. | 03-05-2015 |
20150132074 | Cartridge for a grooving tool holder, corresponding grooving tool holder, kit and assembly thereof - A cartridge for a grooving tool holder extends along a mid-thickness plane by being bordered in the mid-thickness plane by peripheral surfaces of the cartridge. The peripheral surfaces of the cartridge include a clamping surface, a back surface for the fixation to the grooving tool holder along a screwing direction, and a front surface. The cartridge has a coolant channel extending along a direction from the back surface to the front surface. The screwing direction and the direction of extension of the coolant channel are both included in the mid-thickness plane of the cartridge. A grooving tool holder includes an upper front surface for fixation by screwing to the back surface of the cartridge. | 05-14-2015 |
20150290716 | TOOL FOR MACHINING | 10-15-2015 |
20150290726 | Slot milling disc and a rotatable mounting shaft for such a milling disc - A milling disc is formed as a generally circular disc having a center axis and including an outer peripheral surface provided with a number of cutting edges, a first side having a bearing surface around the center axis, and attachment means arranged to interact with mating attachment means of a rotatable mounting shaft to allow rotary preventing attachment of the milling disc to the rotatable shaft and forcing of the bearing surface towards a mounting surface at an end surface of the shaft. The milling disc is provided with at least one flushing fluid channel having a confined cross-section and extending within the milling disc from an inlet opening in its bearing surface to at least one outlet opening in its peripheral surface. There is also provided a rotatable mounting shaft for the rotatable attachment of such a milling disc. | 10-15-2015 |
20150298221 | MACHINING TOOL AND METHOD FOR MANUFACTURING A MACHINING TOOL - A machining tool, in the area of a tool tip, includes an integrated cooling structure for transporting a coolant. The cooling structure is optionally or in combination designed as a porous structure or at least one cooling channel having a bent reversing segment, so that two channel segments are oriented in opposite directions. The cooling structure is integrated into a base body of a carrier tool. According to a method of the invention, the cooling structure is manufactured by means of a 3D printing method. | 10-22-2015 |
20150298222 | MACHINING TOOL AND METHOD FOR MANUFACTURING A MACHINING TOOL - A machining tool, in particular a drill carrier tool, includes a monolithic base body extending in the axial direction which, at least in one section, has a porous or grid-like core structure that is encased in a solid outer jacket. These measures allow less material to be used, while maintaining good mechanical properties. The porous or grid-like core structure is simultaneously used for transporting coolant. The base body is manufactured in particular by means of a 3D printing method. | 10-22-2015 |
20150306685 | DIAMOND PLATED GRINDING ENDMILL FOR ADVANCED HARDEND CERAMICS MACHINING - A grinding tool for reducing damage to the tool during a milling operation is provided in an embodiment herein, including a generally cylindrical body having a first and second end, a grinding portion adjacent to the first end and a shank portion adjacent to the second end. An outer surface of the tool includes a diamond coating, two or more flutes formed in the grinding portion, and at least one grinding element formed in the grinding portion between the two or more flutes, wherein the flutes and grinding element are disposed along a longitudinal axis of the tool. The at least one grinding element includes a grinding surface, a leading edge and a trailing edge. A first radius at the leading edge of the grinding element is smaller than a second radius at the trailing edge of the grinding element. | 10-29-2015 |
20150321263 | COUPLING FOR A COOLING SYSTEM IN A CUTTING TOOL AND A BLADE - A coupling and a blade for a cooling system in a cutting tool includes a first member including a shank having a first end and a second end. The first end of the shank defines a first end of the first member, and a head of the first member disposed at the second end of the shank and a top of the head of the first member defines a second end of the first member. The head of the first member is frustoconical and the first member includes a longitudinal passage in the shank. A radial opening in the head of the first member is in fluid communication with the longitudinal passage. | 11-12-2015 |
20150328688 | Turning tool holder and cutting tool insert - A turning tool holder includes a tool body, a cutting tool insert, and a shim. A coolant conduit system extends through the turning tool holder, a first portion of the coolant conduit system extending through the tool body and an end portion of the coolant conduit system extending through the shim. The end portion of the coolant conduit system includes a through hole extending from a first surface to an opposite second surface of the shim. The end portion has a coolant outlet opening at the second surface, the coolant outlet opening being formed by the shim alone. A jet of coolant from the coolant outlet opening may be directed towards a space expected to have a cutting zone of a workpiece. Further a cutting tool insert arranged to be used in a turning tool holder is disclosed. | 11-19-2015 |
20150328703 | REAMING HEAD INTERFACE - The invention relates to a tool head for a rotary tool. The tool head extends along, and rotates about, a rotational axis in a rotational direction during operation. The tool head is designed for replaceable fastening on a carrier shank of the rotary tool and comprises on the back thereof a coupling surface comprising a first serration having a plurality of ribs running parallel to one another and grooves running parallel to one another. The first serration comprises at least two part-serrations oriented toward one another in the rotational direction at an angle. Each part-serration having a plurality of ribs and grooves running parallel, for centering the tool head relative to the carrier shank. The invention furthermore relates to a rotary tool having such a tool head. | 11-19-2015 |
20150343534 | CUTTING ASSEMBLY WITH CUTTING INSERT HAVING ENHANCED COOLANT DELIVERY - A cutting assembly includes toolholder and a cutting insert. The cutting insert includes a top surface, a rake face and a cutting edge. The top surface includes a coolant duct along a central, longitudinal axis, A, that directs coolant from an inlet region to a cutting region. The cutting region includes a pair of chip deflectors and a plurality of coolant directing elements separating a plurality of coolant channels configured in at least one hub and spoke arrangement that directs coolant radially outward from the central, longitudinal axis, A, to the entire cutting edge of the cutting insert. | 12-03-2015 |
20150352640 | TOOL HOLDER HAVING IMPROVED INTERNAL COOLANT DELIVERY - A tool holder for carrying a cutting insert wherein the cutting insert is useful for the removal of material during a material removal operation. The tool holder includes a tool holder body. The tool holder body includes a pocket adapted to carry the cutting insert, a coolant inlet in communication with a pressurized source of coolant, a coolant chamber having a central region, an upstream coolant passage having a central longitudinal upstream coolant passage axis, and a downstream coolant passage having a central longitudinal downstream coolant passage axis. The upstream coolant passage opens into the coolant chamber. The upstream coolant passage has an orientation relative to the coolant chamber so that the central longitudinal upstream coolant passage axis is offset from the central region of the coolant chamber whereby coolant flows into the coolant chamber in a tangential fashion. | 12-10-2015 |
20150367428 | ROTARY CUTTING TOOL - An end mill rotary cutting tool includes a shaft having an outer surface and a longitudinal axis and including a shank portion and a cutting portion. At least one helical cooling passage is formed in the shaft having a cooing hole in an axial distal end of the shaft. A plurality of helical flutes is formed in the shaft about the longitudinal axis. A plurality of serrated helical cutting edges are formed at an interface with the outer surface and a respective helical flute. A plurality of end cutting edges are located on the axial distal end. The end cutting edges are contiguous with a corresponding one of the serrated helical cutting edges, and form a blend radius at the transition between the end cutting edges and the helical cutting edges. At least three of the end cutting edges meet across the axial distal end to form a gash web. | 12-24-2015 |
20150367429 | ROTARY CUTTING TOOL - An end mill rotary cutting tool includes a shaft having an outer surface and a longitudinal axis and including a shank portion and a cutting portion. At least one helical cooling passage is formed in the shaft having a cooing hole in an axial distal end of the shaft. A plurality of helical flutes is formed in the shaft about the longitudinal axis. A plurality of helical cutting edges are formed at an interface with the outer surface and a respective helical flute. A plurality of end cutting edges are located on the axial distal end. The end cutting edges are contiguous with a corresponding one of the plurality of helical cutting edges, and form a blend radius at the transition between the end cutting edges and the helical cutting edges. At least two of the end cutting edges meet across the axial distal end to form a gash web. | 12-24-2015 |
20160001381 | Cutting tool, especially a friction tool, milling tool or drilling tool. - The invention relates to a cutting tool ( | 01-07-2016 |
20160023288 | CUTTING TOOL WITH SHOWER CAP - A cutting tool includes a cutter body and a shower cap removably secured to the cutter body. The shower cap includes a cylindrical inside reservoir surface, a cylindrical outside coolant passage surface spaced radially outward from the cylindrical inside reservoir surface, and at least one coolant passage extending radially outward from the cylindrical inside reservoir surface to the cylindrical outside coolant passage surface. The at least one coolant passage is in fluid communication with an inlet opening formed in the cylindrical inside reservoir surface and an outlet opening formed in the cylindrical outside coolant passage surface such that coolant is directed radially outward from the cylindrical inside reservoir surface through the at least one coolant passage to a vicinity of a cutting insert within an insert-receiving pocket of the cutter body. | 01-28-2016 |
20160039016 | ROTARY CUTTING TOOL WITH HIGH-PRESSURE, THREADED COOLANT CAP - A rotary cutting tool includes a cutter body and a coolant cap removably secured to the cutter body. The coolant cap includes an outer surface, an inner surface and a generally cylindrical outer surface extending between the outer surface and the inner surface. The cylindrical outer surface has a second cylindrical outer surface portion with external threads formed thereon such that the coolant cap is capable of being threaded onto the cutter body. | 02-11-2016 |
20160067785 | Cutting inserts with honeycomb sandwich structure for cooling - A new type of cutting insert is disclosed here which has sandwich structure often with honeycombs in the mid-section of the insert, to allow fluid and/or gas coolant flow through the insert from inside and reduce cutting tool temperature during work-piece cutting operation. The cutting insert includes an insert body, which includes cutting edge, nose, rake face, and flank face. The cutting insert body further contains interior coolant passageways formed by specially manufactured honeycomb structure in the insert body. The number, shape, and size of honeycomb interior passageways are carefully developed and distributed inside the insert body. Therefore, the insert provides adequate strength to withstand force and impact from cutting work-piece and also in the meantime provides effective cooling to the cutting tool. The honeycomb interior coolant passageways could be connected from the insert to the tool holder through an internal passageway in the tool holder, then to the coolant circulation system provided to the cutting tool, or directly connected to an external coolant circulation system. The cutting insert can be used in metal cutting, such as high strength aerospace materials and heat resistance materials. It can also be used in drilling tools for mine/oil/natural gas exploration. | 03-10-2016 |
20160067786 | TOOLHOLDER WITH CLAMP HAVING FLUID FLOW PASSAGES, AND TOOL INCLUDING SUCH A TOOLHOLDER - A tool having a toolholder and a cutting insert disposed in the pocket of the toolholder. The cutting insert includes a hole having a cutting insert clamping surface that is contacted by the clamp clamping surface. The clamp clamping surface and the cutting insert clamping surface are formed, such that as a clamp bottom surface is moved toward a bottom surface of the pocket, when a post is in a post hole and a fastener is in a clamp hole and a toolholder hole, the cutting insert is urged against the bottom surface and a rear wall. A tool holder is also disclosed. | 03-10-2016 |
20160074948 | ROTARY CUTTING TOOL WITH HIGH-PRESSURE COOLANT CAP - A rotary cutting tool includes a cutter body, a coolant cap, and a retaining ring for removably securing the coolant cap to the cutter body. The coolant cap includes an outer surface, an inner surface and a generally cylindrical outer surface extending between the outer surface and the inner surface. The retaining ring is disposed within a retaining ring notch of the cutter body such that the outer surface of the coolant cap contacts the retaining ring when high pressure coolant is introduced into the cutter body to removably secure the coolant cap to the cutter body. | 03-17-2016 |
20160082526 | ROTARY CUTTER FOR MACHINING MATERIALS - A rotary cutting tool. The tool has a body with outside diameter (OD), and outer surface, and a longitudinal axis, a plurality of flutes, helical in some embodiments. Flutes include a narrow leading edge land portion with circular segment profile and having flute cutting edge portions along a substantially uniform circumferential location, with an eccentric relief margin rotationally rearward of the narrow leading edge land portions. Face portions are provided with face cutting edge portions, and with a first dish portion adjacent each of the cutting edge portions sloping inwardly and downwardly generally toward a central longitudinal axis at a first dish angle alpha (α) Corner blend portions extend from flute cutting edge portions to the face cutting edge portions. Corner blend portions are provided in a variety of profiles, including an embodiment wherein the profile of the corner blend portions are truncated before the segment of curvature becomes tangential to the face cutting edge portions. Large core diameters of cutting tools are provided, which gives high strength at when working with axial depths of cut of about three times outside tool diameter or less. | 03-24-2016 |
20160089729 | INTERCHANGEABLE BALL MILL - A tool is disclosed, including an interchangeable cutting member and an adapter to which said interchangeable cutting member is adapted to be replaceably mounted. The interchangeable cutting member comprises a substantially ball-shaped body with a cutting surface, within which a female screw-thread is provided. The adapter is provided having a male screw-thread portion configured and arranged for screw-engagement in the female screw-thread. A coolant or lubricant fluid passage is provided in the interchangeable cutting member. The coolant or lubricant fluid passage ends at the cutting surface of the ball-shaped member. | 03-31-2016 |
20160089756 | TOOL CLAMPING SYSTEM - A tool clamping system is disclosed having a tool holder for clamping a cutting tool, wherein a device including at least one Seebeck element for generating a voltage from thermal energy of the tool clamping system is provided. | 03-31-2016 |
20160096247 | TOOL RECEPTACLE - The invention relates to a tool receptacle | 04-07-2016 |
20160107284 | TOOL HOLDER - A tool holder has a main body and a holding pin onto which a rotary tool having a corresponding holding bore can be placed. At least one channel for transporting coolant or lubricant, the channel leading to the outer circumference of the holding pin, is arranged in the tool holder. In order to enable cooling of the cutting edges of the rotary tool without great production complexity, at least one longitudinal groove for conducting the coolant or lubricant in a longitudinal direction of the holding pin is arranged on the outer circumference of the holding pin. | 04-21-2016 |
20160136733 | TOOL HOLDER FOR A CUTTING INSERT - The invention relates to a tool holder ( | 05-19-2016 |
20160158855 | CUTTING INSERT WITH INTERNAL COOLANT PASSAGES AND METHOD OF MAKING SAME - A cutting insert ( | 06-09-2016 |
20160175938 | TOOL HOLDER FOR A CUTTING INSERT AND PROCESS FOR MANUFACTURING THE TOOL HOLDER | 06-23-2016 |
20160175947 | DISPOSABLE DRILLING AND MILLING CUTTER | 06-23-2016 |