Patent application number | Description | Published |
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 |
20080220697 | Machine Including Grinding Wheel and Wheel Dresser - Disclosed are a machine with a grinding wheel and a dressing surface and related method. The dressing surface is movable in at least two axes of translation relative to the grinding wheel. The rotational speed of the grinding wheel and dressing surface preferably are under the control of a computer control system, whereby the speed of rotation of the dressing surface may be adjusted as the diameter of the dressing wheel and as the diameter of the grinding wheel is decreased during use. The machine may be used in continuous or intermittent dressing operations. | 09-11-2008 |
20080228313 | Device and Method for Turning In Virtual Planes - Disclosed are a turning method and apparatus. The apparatus, which otherwise may be conventional, includes a tool holding mechanism, such as a turret, and a workpiece holder, typically a chuck disposed on a main machine spindle. The tool holding mechanism may be translated in three directions relative to the workpiece holder, including a Z direction that is along the axis of the rotation of the workpiece holder and X and Y directions orthogonal thereto. Under the control of the computer control system, the tool holding mechanism is moved in a direction having both an X- and Y-component relative to the workpiece holder. | 09-18-2008 |
20090095126 | Tool Indexer and Turret-Indexer Assembly - Disclosed are a tool indexer assembly, a computer numerically controlled machine that includes such tool indexer assembly, and associated methods. The assembly in one embodiment includes a turret and an indexer, the indexer including a portion that is movable with respect to the turret and that includes plural tool station configured to receive plural tool structures. The tool indexer is disposed on a facet of the turret, and, in some embodiments includes a table that is rotatable about an axis that is generally orthogonal to the axis of rotation of the turret. In another embodiment, a tool indexer includes a clamping mechanism having a source of pressurized fluid and a piston that is hydraulically actuated by the pressurized fluid and movable to a clamping position. The assembly further includes a conduit for delivery of the pressurized fluid proximal the tool structure as coolant fluid. | 04-16-2009 |
20090112355 | Device and Method for Dressing Cutting Tools - Disclosed are a computer numerically controlled machine and methods for forming, grinding, or dressing cutting tools in a computer numerically controlled machine. In some embodiments, the computer numerically controlled machine is provided with a cutting tool and an abrasive surface. The abrasive surface is brought into contact with the cutting tool to abrade material from the cutting tool in a grinding or dressing operation. In certain embodiments, it is not necessary to remove the cutting tool from the computer numerically controlled machine for dressing. In some non-mutually-exclusive embodiments, the machine is provided with tool blanks, from which cutting tools are prepared using an abrasive surface in the machine. | 04-30-2009 |
20090211338 | Measuring Apparatus and Associated Method - Disclosed are a computer numerically controlled incompressible machine and related methods. The machine includes a measuring device that has a source of fluid that is fluidically communicable with a nozzle and that configured to deliver fluid at a constant volumetric flow rate when a measurement reading is taken. The pressure of fluid delivered to the nozzle is monitored and, from this pressure, a measurement parameter is determined. Other embodiments are disclosed; for instance, the invention in some embodiments provides an integrated cutting tool and nozzle. | 08-27-2009 |
20120152069 | CNC MACHINES, ADJUSTABLE TOOLS FOR CNC MACHINES, AND METHODS of OPERATING AN ADJUSTABLE TOOL ON A CNC MACHINE - Computer numerically controlled (CNC) machines, adjustable material-working tools, and methods of operating an adjustable tool with a CNC machine are presented herein. An adjustable tool for a material-working machine is disclosed. The adjustable tool includes an elongated housing, and one or more cutting inserts at least partially disposed within the housing. Each cutting insert is selectively transversely repositionable with respect to the housing. A wedge is selectively longitudinally repositionable with respect to the housing. The wedge mates with the cutting insert(s) such that longitudinal movement of the wedge effectuates transverse movement of the cutting insert(s). A control arm is movably mounted to the housing. The control arm is configured to mechanically couple the wedge to a prime mover of the material-working machine such that motive force is transferred from the prime mover through the control arm to the wedge for the selective repositioning thereof. | 06-21-2012 |
Patent application number | Description | Published |
20080232911 | METHOD AND ASSEMBLY FOR ROTATING A CUTTING INSERT DURING A TURNING OPERATION AND INSERTS USED THEREIN - A cutting insert rotated about its axis may be utilized during a metalworking operation and applied against the rotating workpiece to enhance tool performance. A method, including an assembly with a rotatable insert mounted to a toolholder may be utilized to achieve this result. | 09-25-2008 |
20100278606 | SYSTEM AND METHOD OF SYNCHRONIZED MACHINING - Machine tool systems and methods include methods of synchronizing cutting tools with a workpiece retainer. In some embodiments, the methods and systems provide at least two cutting tools that are synchronized to machine a common surface of a workpiece in a quick and efficient manner. A controller having a single line of code for controlling both cutting tools and the workpiece retainer may be used. The cutting tools may be synchronized such that they engage substantially opposite portions of the workpiece, thereby to reduce resulting forces in the workpiece that may tend to induce workpiece deflection and/or chatter. In other embodiments, a cutting tool is synchronized with a split workpiece holder that may be controlled to induce a compression, tension, or torsion pre-load in the workpiece. | 11-04-2010 |
20110118867 | Device and Method for Turning in Virtual Planes - A turning method and apparatus includes a tool holding mechanism, such as a turret, and a workpiece holder, typically a chuck disposed on a main machine spindle. The tool holding mechanism may be translated in three directions relative to the workpiece holder, including a Z-direction that is along the axis of the rotation of the workpiece holder and X- and Y-directions orthogonal thereto. Under the control of the computer control system, the tool holding mechanism is moved in a direction having both an X- and Y-component relative to the workpiece holder. | 05-19-2011 |
20110209529 | Measuring Apparatus and Method - An apparatus for obtaining information about a workpiece may include a measuring device having a nozzle defining an orifice in fluid communication with a source of incompressible fluid. A fluid monitoring apparatus may monitor a parameter of the substantially incompressible fluid, and a pump may be fluidly coupled to the source and configured to supply incompressible fluid to the orifice. The pump may have a pump chamber with a first displacement setting having a first fixed volume, so that operation of the pump at a first pump speed with the pump chamber in the first displacement setting generates a first fluid flow having a substantially constant first volumetric rate. The pump may have more than one displacement setting, or the pump may be operated at different speeds to change the volumetric flow rate. The nozzle may include multiple, independent orifice sets that may be selectively provided fluid, thereby to obtain information on different parts of the workpiece with a single placement of the nozzle. Additionally, the apparatus may be incorporated into a CNC machine to perform simultaneous measurement and machining operations. | 09-01-2011 |
20120096999 | COMPOUND MACHINING METHOD AND APPARATUS - A method of machining a workpiece may include continuously rotating the workpiece, continuously rotating a tool having at least one cutting surface, and positioning the tool relative to the workpiece so that the at least one cutting surface engages the workpiece at a first discrete location at a periphery of the workpiece. The method may further include continuing to rotate the workpiece and the tool so that the at least one cutting surface engages a second discrete location at the periphery of the workpiece, and controlling a tool surface velocity VT relative to the workpiece surface velocity VW so that the first and second discrete locations are discontinuous. The tool may make multiple iterative passes over the workpiece to engage subsequent discrete locations, wherein the first discrete location, second discrete location, and multiple subsequent discrete locations may form a machined surface that extends continuously around the workpiece. | 04-26-2012 |
20130273811 | Grind Hardening Method and Apparatus - A method of grind hardening a workpiece is provided. The method may include securing the workpiece in a workpiece retainer and a grind tool in a tool retainer, rotating the grind tool in a first angular direction at a first angular speed, controlling the workpiece and tool retainers such that the grind tool engages the workpiece, and controlling the workpiece and tool retainers such that the grind tool is guided along a grinding track of the workpiece. The grind tool may engage and/or disengage the workpiece at portions of sacrificial material disposed thereon. Coolant and cleaning nozzles may be provided and controlled such that at least a portion of the coolant from the coolant nozzle is diverted to the cleaning nozzle in a manner which reduces heat dissipation, improves thermal efficiency of the grind hardening and reduces loading of the grind tool. | 10-17-2013 |
Patent application number | Description | Published |
20080232909 | Assembly For Rotating A Cutting Insert During A Turning Operation And Inserts Used Therein - A cutting insert rotated about its axis may be utilized during a metalworking operation and applied against the rotating workpiece to enhance tool performance. The cutting insert is secured within a toolholder having features to secure the insert but at the same time make for efficient removal of the insert from the toolholder. | 09-25-2008 |
20080271581 | TOOLHOLDER - A toolholder with a controllable critical angle, such as a lead, trailing, rake or clearance angles, includes a tool spindle for retaining the toolholder in a tool rest of a machine tool. The machine tool includes at least one linear axis, for example, three mutually perpendicular axes, a rotary axis and a rotation axis. The rotary axis and/or rotation axis is controllable to move to a specified position in synchronization with a movement of one of the linear axes. An adaptor supports a cutting tool that is retained in the adaptor by a clamp. The cutting tool defines a critical angle, such as a lead angle, a trailing angle, a rake angle and a flank clearance angle, wherein the critical angle is corrected as a vector of movement of at least one of the linear axis is changed. In addition, the cutting tool can be positioned on opposite side of a centerline of rotation of the workpiece to effectively double the life of the cutting tool. A method of controlling a toolholder is also disclosed. | 11-06-2008 |
Patent application number | Description | Published |
20090279964 | Holder main body - There is provided a holder main body which has a simple structure, allows automatic tool change, and has high suction efficiency of cutting chips to be capable of preventing internal deposition. There is provided a holder man body having a mounting hole in which a cutting tool is attachable and attached to a spindle of a machine tool, the holder main body including: a second suction hole which penetrates through the holder main body in an axial direction so as to be connected with a first suction hole penetrating in the axial direction through the cutting tool attached in the mounting hole; and a third suction hole connected with the second suction hole and capable of sucking air other than suction air coming from the first suction hole. | 11-12-2009 |
20100257980 | MACHINE TOOL AND WORKPIECE INNER SURFACE MACHINING METHOD USING THE MACHINE TOOL - To provide a machine tool including a workpiece inner surface machining tool which is not only capable of machining an inner surface of a workpiece into a spherical shape but also capable of machining a bearing surface which is a flat surface and machining the combination of a spherical surface and a flat surface. A machine tool | 10-14-2010 |
20110238335 | COMPONENT BALANCING ON A CNC MACHINING CENTER - The present invention broadly comprises a method of establishing parameters of a balancer to predict part unbalance on a computer numerically controlled machine comprising the steps of varying unbalance of the balancer and measuring vibration to develop influence parameters of the balancer, varying unbalance of a test part and measuring vibration to develop influence parameters of the test part, comparing the influence parameters of the balancer and the test part, and, determining a range of test part unbalance over which the influence parameters of the balancer and the test part approximately match. The present invention also broadly comprises a system for machining and balancing a workpiece comprising a computer numerically controlled machine, and, a rotating balancer assembly arranged to determine a measurement of unbalance when a first initial vibration measured by a first vibration sensor exceeds a limited range of vibration sensed by the first vibration sensor. | 09-29-2011 |