Class / Patent application number | Description | Number of patent applications / Date published |
409135000 | With means to control temperature or lubricate | 38 |
20090263202 | MAIN SPINDLE DEVICE - In a main spindle device provided with a housing and a main spindle, a labyrinth-forming annular groove is formed, in the circumferential direction of the main spindle, on the outer circumferential surface of a protruding portion of the spindle that protrudes from the housing on the front side. A housing lid member having a protruding portion that is inserted into the labyrinth-forming annular groove so as not to contact an inside surface of the labyrinth-forming annular groove all around the periphery is fixed to the housing on the front side thereof and forms a labyrinth seal portion between the protruding portion and the labyrinth-forming annular groove. The housing lid member is constructed so that the housing lid member can be divided into at least two pieces with respect to the circumference of the labyrinth-forming annular groove. | 10-22-2009 |
20090290948 | MACHINING DEVICE, PARTICULARLY FOR THE PRODUCTION OF TOOTH REPLACEMENT PARTS OR MODELS THEREOF - Disclosed is a machining device, particularly for producing tooth replacement parts or models thereof, comprising a workpiece holder and at least one machining tool which is disposed in a machining space for a workpiece that is mounted therein. The feeding axis for the workpiece into the machining space extends at an angle relative to the horizontal. | 11-26-2009 |
20100183393 | METHOD AND APPARATUS FOR COOLING MOBILE BODY OF MACHINE TOOL - A cooling method and cooling apparatus which can reduce thermal deformation of a mobile body of a machine tool is provided. On the front of a column ( | 07-22-2010 |
20110008120 | MILLING MACHINE FOR MILLING A SLAB - The invention relates to a milling machine ( | 01-13-2011 |
20110008121 | Machine Tool - Machine tool ( | 01-13-2011 |
20110044780 | MACHINE TOOL, PARTICULARLY OF THE MILLING AND BORING TYPE - A machine tool, particularly of the milling and boring type, comprising:
| 02-24-2011 |
20110280679 | COOLING STRUCTURE FOR MACHINE TOOL MAIN SPINDLE - A coolant supply section that supplies coolant to a main spindle and a coolant recovery section that recovers the coolant from the main spindle are formed in a housing. A coolant flow path that allows the coolant to flow from the coolant supply section to the coolant recovery section is formed in the main spindle. The coolant flow path in the main spindle includes a coolant receiving portion that receives the coolant supplied from the coolant supply section, and a plurality of hole-shaped flow paths formed to extend in the axial direction of the main spindle from the coolant receiving portion. The coolant receiving portion includes an annular groove that is recessed in the outer circumference of the main spindle. The hole-shaped flow paths are formed to extend generally straight toward the coolant recovery section and with an inclination to the radially outer side of the main spindle. | 11-17-2011 |
20110318130 | Tool Holder Such as a Boring Head, a Chuck, or a Milling Cutting Arbor Integrating a Damping Device - A damping tool holder, such as a boring head, a chuck, or a milling cutting arbor, integrates a damping device ( | 12-29-2011 |
20120020752 | ROTARY SPINDLE HEAD WITH GEAR REDUCER - A rotary spindle head with gear reducer is provided, which comprises a rotary spindle unit, a fork-shaped type spindle base and a driving unit. The fork-shaped spindle base is for linking up the rotary spindle unit with a machine tool, and the driving unit comprises a torque motor and a gear reducer which are sited coaxially on the fork-shaped spindle base. The gear reducer is connected to the rotary spindle unit to drive and rotate the rotary spindle unit in the fork-shaped spindle base. The gear reducer is designed to lower decelerating rate. Besides, the input and output of the gear reducer are coaxial design, the torque of torque motor could be magnified to several times and maintain higher rotational speed to do the high speed light cutting and high torque heavy cutting work. | 01-26-2012 |
20120189397 | DEVICE FOR SEALING - The application describes a device for sealing a coolant and/or lubricant channel, wherein the coolant and/or lubricant channel extends through a first tool part, a second tool part, and the device, wherein the device comprises a first section, a second section, and a center section. The first section can be connected to the first tool part. The second section is arranged in such a way that the second section can protrude into the coolant and/or lubricant channel of the second tool part, wherein the outer diameter of the second section is greater than or equal to the inner diameter of the coolant and/or lubricant channel of the second tool part. The center section is arranged between the first section and the second section. | 07-26-2012 |
20120219374 | SPINDLE DEVICE - A spiral groove flow passage with a clockwise spiral direction and a spiral groove flow passage with a counterclockwise spiral direction are provided inside a spindle. When the spindle is accelerated to rotate in the forward rotation direction, a pressure in the direction of causing a reverse flow of a coolant is applied to the left-hand spiral groove flow passage by the axial-flow pumping action, but a pressure in the forward direction is applied to the right-hand spiral groove flow passage by the same axial-flow pumping action to cancel out the pressure causing the reverse flow described above. | 08-30-2012 |
20120237311 | METHOD AND APPARATUS FOR THERMAL CONTROL WITHIN A MACHINING PROCESS - Method and apparatus for mixing within a rotary union of a computer numerical control machine a constant pressure gas with a relatively higher-pressure, lower-temperature dense fluid to produce a dense isobaric fluid deliverable through a rotating tool without gelling or solidifying therein. The constant pressure gas may include carbon dioxide, nitrogen, air or mixtures thereof. The dense fluid preferably includes liquid carbon dioxide at or above its triple point. The liquid carbon dioxide and isobaric gas are independently fed to the rotary union. When mixed, a pressurized flowing carbon dioxide machining fluid composition is formed exhibiting a temperature between about 20° F. and 70° F. at pressures between 75 psi and 1,000 psi. | 09-20-2012 |
20120263551 | ROTARY JOINT DEVICE, METHOD OF MACHINING ROTARY JOINT DEVICE, AND MAIN SHAFT DRIVING APPARATUS FOR MACHINE TOOL INCLUDING ROTARY JOINT DEVICE - A rotary joint device includes attachment grooves formed at positions in an outer peripheral surface of an outer cylinder, each attachment groove being formed so as to straddle a pair of adjacent cylindrical blocks and so as to be exposed from the outer peripheral surface of the outer cylinder, each attachment groove having a bottom surface that is machined to form a flat surface in a state in which the cylindrical blocks are combined, and positioning blocks corresponding to the attachment grooves on a one-to-one basis and each having an attachment phase that is uniquely set to a corresponding one of the attachment grooves in the axial direction and in a circumferential direction of the outer cylinder, each positioning block having an attachment surface corresponding to the bottom surface of a corresponding one of the attachment grooves, the attachment surface being machined so as to form a flat surface. | 10-18-2012 |
20140010611 | PRECISION MACHINE TOOL - In a precision machine tool wherein a spindle head | 01-09-2014 |
20140301800 | TOOL SPINDLE - An embodiment includes a two-part power-driven tool spindle that comprises a spindle motor housing in which a first liquid cooling duct extends, a spindle head housing in which a second liquid cooling duct extends, the first and second liquid cooling ducts forming a liquid cooling circuit for a coolant, and a liquid duct, through which the coolant can be conveyed out of the liquid cooling circuit to at least one resealable outlet opening in the spindle head housing and/or in the spindle motor housing. The liquid duct branches off from the second liquid cooling duct in the spindle head housing and/or from the first liquid cooling duct in the spindle motor housing, in such a way that the coolant in the spindle motor housing and the coolant in the spindle head housing can flow out of the tool spindle under gravity. | 10-09-2014 |
20150098770 | END EFFECTOR - A quill style drilling/milling end effector with high tool positioning accuracy, a pressure foot with fast response in force and displacement feedback, and with automatic mounting and dismounting, normality sensing, and through the tool coolant delivery. | 04-09-2015 |
20150343588 | APPARATUS FOR COOLING MACHINE COMPONENTS USING PHASE-CHANGE MATERIAL - The invention relates, on the one hand, to a machine element ( | 12-03-2015 |
20160121445 | METHOD FOR CONTROLLING TEMPERATURE ADJUSTMENT SYSTEM OF MACHINE - A method for controlling a temperature adjustment system of a machine tool is provided. With the method, a temperature rise value ΔT | 05-05-2016 |
409136000 | Cutter or work | 20 |
20080213056 | METHOD AND APPARATUS FOR MACHINING DEEP HOLE - There is provided a method for machining a deep hole, which enables prevention of scattering of a coolant and efficient discharge of shavings. | 09-04-2008 |
20080286063 | Rotary Cutting Machine - A rotary cutting machine | 11-20-2008 |
20090003951 | Cutting Tool - A cutting tool for machining by chip removal has a supply of a cold-gas flow for cooling the immediate machine-cutting region. Accordingly, in this case, the cold-gas flow is supplied internally and is generated by a low-temperature generator, which is integrated into the tool main body and which, via a vortex tube, converts compressed gas from normal temperature into a cold-gas flow and a warm-gas flow. | 01-01-2009 |
20090103995 | Method and device for lubricating tool and workpiece at cutting - The invention relates to a method and a device for lubricating tool and workpiece at cutting and forming, especially fine blanking of a workpiece with a thickness of 5 mm or more and with complex part geometry from a flat strip. | 04-23-2009 |
20110217135 | TOOL HOLDER - A tool holder includes a hollow taper shank chucking device having a center axis, a chucking device, a tension rod which cooperates with the chucking device and an actuating unit by means of which the tension rod may be actuated, i.e., displaced. The actuating unit has an actuating element which is movable at an angle relative to the center axis and which includes at least one actuating part. The angle may be 90°. The tension rod is provided with at least one engagement part. The actuating part and engagement part form a wedge mechanism which is used to convert a radial motion of the actuating element, i.e., a displacement perpendicular to the center axis, into an axial displacement of the tension rod in the direction of the center axis. | 09-08-2011 |
20120027532 | PULL STUD BOLT WITH EXTERNAL AND INTERNAL COOLANT AND METHODS - Systems and methods include using a pull stud bolt for connecting a tool holder to a collet in a spindle. The pull stud bolt includes a body configured to receive a tool holder, the body having a longitudinal passage fluidly connected to a cavity, the cavity fluidly connected to a plurality of longitudinal channels; a sealing ring disposed around an end of the longitudinal passage, the sealing ring in contact with the cavity; a spring disposed in the cavity; and a sphere in contact with the spring. The sphere is configured to unblock the end of the longitudinal passage by losing contact with the sealing ring when a first force applied to the sphere from the spring is less than a second force applied by a fluid flowing through the longitudinal passage. The first and second forces are substantially opposite in direction of application. | 02-02-2012 |
20120093604 | MECHANISM FOR DELIVERING CRYOGENIC COOLANT TO A ROTATING TOOL - A rotary coolant adapter that is compatible with commercially available tool holders attaches to a rotary tool holder to supply coolant to a flow path in a rotary tool. The rotary coolant adapter has a stationary outer housing and a stationary supply tube for supplying coolant to an annular coolant manifold that surrounds a portion of the rotary tool holder. An internal radial feed tube supplies coolant from the annular coolant manifold to the flow path in the tool. Bearings support the stationary outer housing on the rotary coolant holder, and seals are located between the annular coolant manifold and the bearings to prevent coolant leakage from the annular manifold reaching the bearings. | 04-19-2012 |
20120093605 | Lance Unit And Spindle Comprising The Same - A spindle which can be used by using the two-channel minimal quantity lubrication. The feeding of the lubricating oil is done by way of a central oil tube which is rotationally fixedly joined to a fixed base piece and which is radially supported on the revolving spindle in the radial direction by way of at least one pivot bearing. | 04-19-2012 |
20120141220 | INNER COOLING CUTTER CHUCK - An inner cooling cutter chuck has a through hole, multiple first cooling passageways and a threaded section. The through hole of the inner cooling cutter chuck is axially formed through the inner cooling cutter chuck and has an inner surface. The first cooling passageways are formed in the inner cooling cutter chuck and communicate with the through hole of the inner cooling cutter chuck. The threaded section is formed around the inner surface of the through hole of the inner cooling cutter chuck. The first cooling passageways enable the inner cooling cutter chuck to contain more cooling liquid. Inner surfaces of the first cooling passageways can increase heat-dissipating areas inside the inner cooling cutter chuck. Accordingly, the first cooling passageways can enhance the cooling effect. | 06-07-2012 |
20120315104 | Machine Tool, Working Fluid Supply Apparatus, and Working Fluid - A machine tool ( | 12-13-2012 |
20130034399 | THROW AWAY TYPE ROTARY CUTTING APPARATUS AND TIP HOLDER - The invention is provided to improve the cooling efficiency for cooling a throw away tip regardless of whether a tip holder is rotating. A throw away type rotary cutting apparatus comprises a throw away tip having a cutting edge formed thereon, a tip holder having a support section that holds the throw away tip, a drive unit that supports and rotates the tip holder, and a mounting table that can move relative to the axis of rotation of the tip holder, wherein the tip holder further comprises an inlet path that is formed in the position of the axis of rotation and through which coolant is introduced, a heat exchange section that performs heat exchange between the introduced coolant and the throw away tip, and a discharge path that discharges the coolant after heat exchange. Cooling efficiency is improved by cooling the throw away tip from mainly the inside of the tip holder. | 02-07-2013 |
20140234044 | MACHINING TOOL WITH CUTTING FLUID PASSAGEWAY HAVING OPENED UPPER PORTION - A cutting fluid passageway that supplies a cutting fluid is disposed in a machining space (inside of a machine tool) of a machining tool isolated by a cover. The cutting fluid passageway is formed so that the upper portion thereof is opened in the passageway direction. Then, the cutting fluid is supplied from the cutting fluid passageway to a workpiece and a tool during machining or to the inside of the machine tool on which scattered chips produced by the processing are accumulated. | 08-21-2014 |
20140234045 | MACHINE TOOL PROVIED WITH TABLE HAVING WIPER FOR REMOVING CHIPS DEPOSITED ON MOVABLE COVER - The machine tool includes a saddle, a table which moves relative to the saddle, a telescopic cover fixed to the saddle, and a wiper fixed to the table. The telescopic cover protects a guide member which supports the saddle in such a manner as to be capable of moving with respect to the bed. When chips generated by the working of a workpiece placed on the table have deposited on the surface of the telescopic cover, the wiper fixed to the table removes the chips by the movement of the table and causes the chips to fall. | 08-21-2014 |
20150050097 | Tool Arrangement and Tool Receptacle for Such a Tool Arrangement - A tool arrangement with a tool receptacle and a tool, with at least one fluid channel for supplying a fluid to the tool provided in the tool arrangement. In order to allow an improved supply of alternative fluids to the tool, the fluid channel has at least one throttle point for maintaining the pressure in the fluid channel upstream of the throttle point, and the throttle point is suitable for keeping the pressure on the fluid sufficiently high such that no excessive premature evaporation of the fluid takes place. | 02-19-2015 |
20150125230 | APPARATUS FOR AN ON-TOOL POWER SUPPLY - An apparatus comprises a housing and a tool holder that is mounted to a first end of the housing. The tool holder is configured for selectively engagement with a spindle to support the tool and selective disengagement from the spindle for interchanging the tool with other tools. The tool further comprises a work-piece end mounted to a second end of the housing to perform component forming functions and/or component inspection functions. At least one energy harvesting device at the housing is configured to harvest a form of energy associated with the operation of the apparatus to generate sufficient electrical power for wholly powering the machine implement. Accordingly, there is an electrical interconnection between the at least one energy harvesting device and the work-piece end. | 05-07-2015 |
20150328698 | ROTARY TOOL HOLDER - A rotary tool holder is provided which enables effective suppression of possible chattering vibration when a workpiece is machined using a rotary tool. A tool holder that is a rotary tool holder includes a main body that rotates while holding a rotary tool, an additional mass supported by the main body with a radial gap, a fluid path provided in the main body, and a viscoelastic damper configured by a fluid fed to the radial gap between the main body and the additional mass via the fluid path. | 11-19-2015 |
20150343587 | METHOD AND MACHINE TOOL FOR MACHINING OF METALLIC WORKPIECES - In a method and a machine tool for machining metallic workpieces, a cooling device is provided to supply a cryogenic coolant to a first tool and a precooling device is provided to supply the cryogenic coolant to a second tool. The first tool is held in a first chuck and processes a workpiece, with the first tool during processing being cooled via the cryogenic coolant. The second tool is held in a second chuck and will subsequently be used for processing the workpiece. The second tool is supplied via the precooling device with the cryogenic coolant and thus cooled to the operating temperature required for processing. Due to the fact that the second tool is precooled to the required processing temperature, after the change of tools, the processing of the workpiece can be continued immediately. By precooling the second tool during the primary processing time, the total processing time of the workpiece is reduced, providing the machine tool with higher productivity. | 12-03-2015 |
20160059370 | FLANGE MECHANISM AND CUTTING APPARATUS - A cutting blade is held between a first flange and a second flange to define an annular cutting water supply chamber between the two flanges. The first flange has a plurality of cutting water supply holes, a first holding surface for holding one side surface of the cutting blade, and a plurality of first supply grooves formed on the first holding surface so as to extend in the radial direction of the first flange. The second flange has a second holding surface for holding the other side surface of the cutting blade and a plurality of second supply grooves extend in the radial direction of the second flange. Cutting water is supplied from the cutting water supply holes to the cutting water supply chamber and then discharged from the first supply grooves and the second supply grooves by centrifugal force due to rotation of a spindle. | 03-03-2016 |
20160074981 | MACHINE TOOL SPINDLE DEVICE - In a machine tool spindle device, a draw bar is arranged inside a center hole of a spindle, and a disc spring is arranged inside a spring member arrangement space between the draw bar and the center hole. A draw bar inner pipe is inserted inside a through hole of the draw bar, and the interior of the draw bar inner pipe is used as a coolant passage. A gap between the draw bar inner pipe and the through hole is used as an air passage for supplying the purge air, and the interior of the spring member arrangement space is used as a coolant supply passage for supplying coolant to cooling jackets of the spindle. | 03-17-2016 |
20160101492 | LASER-ASSISTED MACHINING DEVICE - A laser-assisted machining device includes a spindle, a beam splitting module and a cutting tool. The spindle has a chamber, and multiple exit holes. The beam splitting module is disposed in the spindle and includes a beam splitter for splitting a main laser beam into a plurality of secondary laser beams that are directed into the chamber, and an outer reflecting unit mounted in the chamber for reflecting the secondary laser beams out of the spindle through the exit holes. The cutting tool is fixedly mounted on the spindle, for machining a workpiece, and includes multiple cutting teeth. The secondary laser beams maintain constant irradiation on multiple areas of the workpiece during rotation of the spindle. | 04-14-2016 |