Process Of Turning Patents (Class 82/1.11)
  • Patent number: 11086284
    Abstract: To provide a controller for a machine tool capable of shredding chips and capable of performing machining by cutting correctly without implementation of a so-called finishing process.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: August 10, 2021
    Assignee: FANUC CORPORATION
    Inventor: Kenta Yamamoto
  • Patent number: 11077501
    Abstract: In accordance with various illustrative embodiments of the present disclosure, a rotationally symmetric surface of a workpiece is machined by a turning apparatus, wherein the workpiece is rotationally driven around a rotational axis, a cutting tool with a cutting edge positioned at the edge of a rake face is arranged relative to the workpiece, the cutting tool is brought into contact with the workpiece, and the cutting tool is advanced relative to the workpiece along a feed direction parallel to the rotational axis, the normal to the rake face being tilted relative to the feed direction, a first axis and a second axis, the first axis and the second axis are perpendicular to the feed direction and perpendicular to each other.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: August 3, 2021
    Assignee: Sumitomo Electric Hardmetal Corp.
    Inventors: Makoto Abe, Christoph Zeiner
  • Patent number: 11065691
    Abstract: A cutting tool may include a holder including a pocket, a cutting insert located at the pocket, a clamp member configured to fix the cutting insert to the pocket, and a flow path including an inflow port and an outflow port. The clamp member may include a screw and a clamp. The flow path may further include a first flow path located in the holder, a second flow path located in the clamp, and a third flow path that is a pipe connecting the first flow path and the second flow path and including a first end part located in the first flow path and a second end part located in the second flow path.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: July 20, 2021
    Assignee: KYOCERA Corporation
    Inventor: Shin Nagae
  • Patent number: 11041135
    Abstract: The present application relates to metal cutting, and more particularly to a cutting fluid and a preparation method and an application thereof, especially the application in the processing of niobium-tungsten alloy (NB521). The preparation method of the cutting fluid is simple and requires low production cost. In the mechanical processing of niobium-tungsten alloy (NB521), the cutting fluid has good cooling performance, lubricity, load-bearing capacity, friction reduction and vibration absorption, and long service life. It also can effectively avoid built-up edges, thereby improving the service life of cutting tools and the processibility of materials. Therefore, products of good quality are produced to improve the yield, especially in the deep hole machining, and thus the cutting fluid of the present application is suitable for a wide range of applications.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: June 22, 2021
    Assignee: Xi'an Space Engine Company Limited
    Inventors: Xiaohu He, Bo Lu, Lin Liu, Xiaowen Dong, Bo Li, Jing Hao, Yedong Li
  • Patent number: 11040398
    Abstract: A method for producing a sintered component includes: a compacting step of press-compacting a raw material powder containing a plurality of metal particles to form a compact; a cutting-machining step of rotating a cutting tool circumferentially having a plurality of cutting edges to cause the cutting edges to intermittently cut a surface of the compact; and a sintering step of sintering the compact after the cutting-machining step. The cutting speed of the cutting tool is 1000 m/min or more.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: June 22, 2021
    Assignee: SUMITOMO ELECTRIC SINTERED ALLOY, LTD.
    Inventor: Yasunori Sonoda
  • Patent number: 11006990
    Abstract: The invention relates to methods of stabilizing bone implants, including inserting a self-tapping implant having at least two helical grooves running in opposite directions around the implant.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: May 18, 2021
    Assignee: EVOLLUTION IP HOLDINGS, INC.
    Inventor: Thierry Giorno
  • Patent number: 10960471
    Abstract: A manufacturing method, a manufacturing apparatus, a computer readable recording medium, and a program for manufacturing a machine component having a rotation symmetry plane are provided.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: March 30, 2021
    Assignees: Sumitomo Electric Hardmetal Corp., Sumitomo Electric Industries, Ltd., Sumitomo Electric Tool Net, Inc.
    Inventors: Yasuyuki Kanada, Kunishige Tanaka, Soichiro Okumura, Jun Okamoto, Futoshi Takeshita
  • Patent number: 10955813
    Abstract: A control apparatus of a machine tool, the control apparatus including: a numerical control unit configured to create a spindle axis command and a feed axis command according to a tapping program; a spindle axis control unit configured to control rotational operation of the spindle axis according to the spindle axis command; a rotation detector configured to detect a rotation position of the spindle axis; and a feed axis control unit configured to control feeding operation of the feed axis according to the feed axis command on the basis of the rotation position. The numerical control unit is further configured to include, in the spindle axis command, a speed command value during return that does not depend on maximum rotation speed during machining of the spindle axis and that is higher than the maximum rotation speed during machining, as a command of return operation.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 23, 2021
    Assignee: Fanuc Corporation
    Inventors: Daisuke Tajima, Yuuki Morita, Tadashi Okita
  • Patent number: 10710206
    Abstract: System for machining workpieces including a setting-up module and a machining module for the production of components. The setting-up module includes at least one first tool holder fixing device for fixing at least one tool holder removably, and at least one first workpiece support fixing device for fixing a workpiece support removably. The machining module includes at least one second tool holder fixing device for fixing at least one tool holder removably and at least one second workpiece support fixing device for fixing a workpiece support removably, such that the tool holder and the workpiece support can both be transferred from the setting-up module to the machining module after setting up.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: July 14, 2020
    Assignee: WATCH OUT SA
    Inventors: Philippe Jacot, Sebastien Laporte
  • Patent number: 10654113
    Abstract: A method for cutting an inner circumferential surface of a rotating hollow cylindrical workpiece includes: holding the workpiece with a chucking device such that a side surface of the workpiece on a first side in an axial direction of the workpiece is in contact with a contact surface of the chucking device; setting an intersection angle between a rotational center line of the workpiece and an imaginary straight line to an angle smaller than 45 degrees, the straight line being parallel to an axis line of a button tip and intersecting with the rotational center line; and setting a feed direction of the button tip to the inner circumferential surface to a direction from a second side in the axial direction of the workpiece toward the first side in the axial direction thereof, and cutting the inner circumferential surface by use of the button tip rotating about the axis line.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 19, 2020
    Assignee: JTEKT CORPORATION
    Inventors: Takashi Yokoyama, Masami Narisawa, Shogo Kuroyanagi, Yoshinobu Shichiri
  • Patent number: 10579040
    Abstract: Technology for milling selected portions of a workpiece by a cutting tool of a numerical control machine is described. The described technology provides methods and apparatuses for milling areas of a part so that more aggressive machining parameters can be used in the toolpath, thereby resulting in reduced machining time and load. The technology creates a series of toolpath contours where arcs in the toolpath contours are non-concentric with arcs in other toolpath contours. The selected portions of the workpiece are milled by moving the cutting tool in accordance with the toolpath.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: March 3, 2020
    Assignee: Celeritive Technologies, Inc.
    Inventors: Evan C. Sherbrooke, Glenn Coleman
  • Patent number: 10564630
    Abstract: A numerical controller has a tool retraction function for retracting a tool so as not to damage the machined surface of a workpiece when machining of the workpiece by a machine tool is interrupted. The numerical controller identifies a machining method for the machining to be interrupted when a command to interrupt the machining is detected, determines the direction of the retraction of the tool, based on the identified machining method and the feed direction and the rotation direction of a spindle in the machining to be interrupted, and generates a movement path of the tool in the determined retraction direction.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: February 18, 2020
    Assignee: Fanuc Corporation
    Inventor: Jirou Fujiyama
  • Patent number: 10503140
    Abstract: An oscillation permission/prohibition notification part of a control device notifies an oscillation command generation part of generation permission of the oscillation command when a position command value has not reached within a predetermined range of a machining end point of a workpiece, and notifies the oscillation command generation part of generation prohibition when the position command value has reached within the predetermined range. A control part includes a learning controller and a learning determination part. The learning determination part determines whether the oscillation command generation part has been notified of generation permission or generation prohibition of the oscillation command, turns learning control on when notification of generation permission of the oscillation command has been received, and sets the oscillation command to zero and turns off learning control when notification of generation prohibition of the oscillation command has been received.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: December 10, 2019
    Assignee: FANUC CORPORATION
    Inventors: Yusaku Oho, Kenta Yamamoto
  • Patent number: 10488847
    Abstract: Methods and devices for computer-assisted milling of a pocket region of a workpiece by computing a blend arc radius, where the blend arc radius is based on a maximal variation of a Tool Engagement Angle (TEA), and smoothing at least one offset, where the smoothing is based on the computed blend arc radius and/or a prior computed blend arc radius with a stepover.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 26, 2019
    Assignee: D.P. TECHNOLOGY CORP.
    Inventor: Jianping Song
  • Patent number: 10478933
    Abstract: An angle grinder includes a motor including a rotor and windings, a power supply for supplying power to the motor, a main switch for turning on/off an electrical connection between the windings of the motor and the power supply, an output shaft driven by the rotor to rotate, a rotor brake circuit for slowing down the rotor of the motor when the windings are short circuited or reverse connected, an output shaft brake circuit for producing a magnetic field to slow down the output shaft and a controller for detecting whether the rotor brake circuit short circuits or reverse connects with the windings. When the windings are short circuited or reverse connected for a time which reaches a preset value, the output shaft brake circuit produces the magnetic field to slow down the output shaft.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 19, 2019
    Assignee: Nanjing Chervon Industry Co., Ltd.
    Inventor: Junya Duan
  • Patent number: 10384277
    Abstract: A tool body having an insert seat and a cutting tool which allow a cutting insert to be stably held are provided. A tool body according to the present invention is a tool body having an insert seat for mounting a cutting insert on the tool body, wherein the insert seat has a base surface and a side wall surface which extends so as to intersect with the base surface. The base surface has a contact surface and a contact projected part which come into contact with the cutting insert. A contact part of the contact surface is comprised of a surface, and a contact part of the contact projected part has a linear shape or a point shape.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: August 20, 2019
    Assignee: TUNGALOY CORPORATION
    Inventors: Yuki Oikawa, Ryuichi Saji, Satoru Yoshida
  • Patent number: 10213889
    Abstract: In a machine tool and a control apparatus thereof, a repetitive movement unit is configured so that the cutting tool performs one repetitive movement with respect to multiple relative rotations between the workpiece and the cutting tool and so that a rotation angle of the relative rotation between the workpiece and the cutting tool during relative movement at a second speed is smaller than a rotation angle of the relative rotation during relative movement at a first speed in one repetitive movement. This configuration limits degradation of machining efficiency when the cutting tool machines the workpiece by performing one repetitive movement with respect to multiple relative rotations between the workpiece and the cutting tool.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: February 26, 2019
    Assignees: Citizen Watch Co., Ltd., Citizen Machinery Co., Ltd.
    Inventors: Kazuhiko Sannomiya, Hitoshi Matsumoto, Nobuyoshi Imasaki
  • Patent number: 10185299
    Abstract: A method and apparatus for treating a circumferential edge of a part are described. The method includes the steps of (1) mapping the circumferential edge of the part with a measuring device, either directly or differentially from a known shape profile; and (2) using the measured data to more accurately follow the circumferential edge of the part during subsequent treatment processing steps, thereby improving the accuracy of the treatment process and compared with a non-mapped treatment process.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 22, 2019
    Assignee: Ametek Precitech, Inc.
    Inventors: Mark McNinch Walter, III, Edward Everett Freyenhagen, Jr., Jeffrey William Roblee
  • Patent number: 10144101
    Abstract: A headstock assembly for a machine tool includes a mount having a female threaded bore, a headstock mounted slidably relative to the machine base, a drive member mounted on the headstock, a spindle, and a spindle extension. The spindle has an intermediate segment disposed in a chamber of the headstock and coupled to be driven by the drive member so as to permit the spindle to rotate about a spindle axis. The spindle extension is coupled to be rotatable with the spindle, and has a male threaded segment configured to be in threaded engagement with the female threaded bore so as to permit the headstock to be linearly moved relative to the mount.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: December 4, 2018
    Assignee: HIWIN TECHNOLOGIES CORPORATION
    Inventors: Chien-Hsiang Tsai, Chih-Wei Wang, Chien-Hung Lai, Chung-Sheng Hsu
  • Patent number: 10118232
    Abstract: A high-speed precision interrupted ultrasonic vibration cutting method includes steps of: (1) installing an ultrasonic vibration apparatus on a machine tool, and stimulating a cutting tool to generate a transverse vibration, so as to realize varieties of machining processes; (2) realizing an interrupted cutting process by setting cutting parameters and vibration parameters to satisfy an interrupted cutting conditions; and (3) turning on the ultrasonic vibration apparatus and the machine tool, and starting a high-speed precision interrupted ultrasonic vibration cutting process. High-speed precision interrupted ultrasonic vibration cutting is able to be realized through the above steps during machining of difficult-to-machine materials in aviation and aerospace fields.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: November 6, 2018
    Assignee: BEIHANG UNIVERSITY
    Inventors: Deyuan Zhang, Xiangyu Zhang, He Sui, Wenlong Xin, Xinggang Jiang
  • Patent number: 10108176
    Abstract: Technology for milling selected portions of a workpiece by a cutting tool of a numerical control machine is described. The described technology provides methods and apparatuses for milling areas of a part so that more aggressive machining parameters can be used in the toolpath, thereby resulting in reduced machining time and load. The technology creates a series of toolpath contours where arcs in the toolpath contours are non-concentric with arcs in other toolpath contours. The selected portions of the workpiece are milled by moving the cutting tool in accordance with the toolpath.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 23, 2018
    Assignee: Celeritive Technologies, Inc.
    Inventors: Evan C. Sherbrooke, Glenn Coleman
  • Patent number: 10022800
    Abstract: A turning device has two turning stations, each with a rotatable work piece spindle to hold a lens blank and each with a turning tool for the machining of a lens blank. A fabrication mechanism for the manufacturing of eyeglass lenses from lens blanks includes a milling device and the turning device, wherein the milling device has at least one milling station with a work piece holder to hold a lens blank and a milling tool for the machining of the lens blank. A loading device is configured to remove lens blanks from the milling device and load them into the turning device. A method for operating such a fabrication mechanism includes simultaneous machining of a third lens blank with the milling tool and a first and a second lens blank with the turning tools.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: July 17, 2018
    Assignee: OptoTech Optikmaschinen GmbH
    Inventor: Roland Mandler
  • Patent number: 9939798
    Abstract: Disclosed is a numerical controller that has a cutting in/out motion inserting function and configured to control a machine tool that performs lathe-turning machining in which a cutting tool moves in contact with a rotating workpiece. The numerical controller includes a cutting in/out motion inserting unit that generates a program to perform cutting in/out motion, based on operation conditions analyzed by a cutting in/out motion operation conditions analysis unit and inserts the generated program of performing the cutting in/out motion to a program to perform the lathe-turning machining.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: April 10, 2018
    Assignee: FANUC Corporation
    Inventors: Makoto Haga, Masaaki Shindou
  • Patent number: 9873176
    Abstract: A rotary indexing machine that includes a machining device, that has at least two machining stations and at least one pre-turn station, which are arranged at least substantially on a shared circumference in respectively a circle segment, and a motor unit, that is provided to drive the pre-turn station. The motor unit is arranged at least largely within the circle segment of the pre-turn station.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: January 23, 2018
    Assignee: WINEMA Maschinenbau GmbH
    Inventors: Eckhard Neth, Lothar Staiger
  • Patent number: 9687895
    Abstract: Processes by which bulk forms can be produced in a single continuous operation, as opposed to multi-stage deformation processes that involve a series of separate and discrete deformation operations or stages. Such processes generally entail deforming a solid body using a large-strain extrusion machining technique and deformation conditions that obtain a predetermined crystallographic texture in the continuous bulk form that differs from the crystallographic texture of the solid body.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: June 27, 2017
    Assignee: Purdue Research Foundation
    Inventors: Srinivasan Chandrasekar, Kevin Trumble, Wilfredo Moscoso, Mert Efe, Dinakar Sagapuram, Christopher J. Saldana, James Bradley Mann, Walter Dale Compton
  • Patent number: 9207662
    Abstract: Embodiments of systems, methods, and computer-readable media for machining materials are disclosed. For example, one embodiment of the present invention includes a method for machining a feature on a work piece (100) along a curving tool path having the steps of controlling a relative translational movement between a tool table and the work piece (100) along the curving tool path and controlling a corresponding angle of rotation of the tool table with respect to the work piece (100) to maintain a substantially constant angle between the tool table and the corresponding relative translational movement between the tool table and the work piece (100) along the curving tool path. In another embodiment, a computer-readable media includes code for a carrying out such a method.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: December 8, 2015
    Assignee: FLIR Systems Trading Belgium BVBA
    Inventors: David Keller, Brett Brocato
  • Patent number: 9199312
    Abstract: A cutting insert incorporates a pre-formed discrete cutting tip which wraps around a curved cutting corner of the insert. The cutting tip includes a top layer and a bottom layer made of a relatively harder material than the top layer. In one embodiment, the bottom layer is made of polycrystalline diamond (PCD) or a polycrystalline cubic boron nitride (CBN) material and the top layer is made of cemented carbide. The cutting insert may further incorporate a chip control structure formed in the cutting tip including a plurality of facets formed on each side of a centerline for providing chip control during a cutting operation. The chip control structure can be formed in a two-step process to expose a portion of the bottom layer. The discrete cutting tip can be brazed to the cutting insert prior to forming the chip control structure.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: December 1, 2015
    Assignee: KENNAMETAL INC.
    Inventors: Shi Chen, Kent Peter Mizgalski, Timothy William Halpin, John James Barry, Gerd Willi Heubeck
  • Patent number: 9180567
    Abstract: An apparatus for machining a workpiece with a tool has a columnar housing having an upright front face and a pair of upright and parallel side walls extending horizontally rearward from the front face, a carriage movable at least vertically on the front face carries a first holder for the workpiece or the tool. A U-shaped frame juxtaposed with the housing front face has two rigid arms each extending rearward adjacent the housing side walls with interfitting guides between each of the arms and the respective side wall enabling horizontal movement of the frame toward and away from the front face. A second holder on the frame and in front of the front wall holds the tool or the workpiece and is engageable with the workpiece or the tool, respectively, in the first holder.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: November 10, 2015
    Assignee: EMAG HOLDING GMBH
    Inventor: Norbert Hessbrueggen
  • Patent number: 9138847
    Abstract: The present invention provides a spraying device for use in machining center, which is installed at the front flange of a spindle in a machining center and includes: a fastening member having the inner side and the outer side respectively formed with an inner connecting edge and an outer connecting edge; and a spray member respectively and axially extended with an inner flange and an outer flange, thereby defining an accommodation space, so a coolant can pass at least one water inlet for entering the accommodation space; wherein the peripheral surface of the spray member is formed with at least one row of cooling array composed of plural primary ejecting holes having the inclined angles determined according to the cutting range of the tool, so the coolant ejected by the primary ejecting holes are able to be gathered within the cutting range of the tool.
    Type: Grant
    Filed: December 14, 2014
    Date of Patent: September 22, 2015
    Assignee: ADVANCED EQUIPMENT SYSTEM CO., LTD.
    Inventor: Wen-Che Yeh
  • Patent number: 9120161
    Abstract: A center hole machining method includes first to fifth steps. The first step includes obtaining outer peripheral shape data of a plurality of portions of the shaft blank in an axial direction. The second step includes obtaining a center axis by comparing measured data of the portions of the shaft blank with design data. The third step includes calculating a minimum distance from the center axis to the outer periphery in each of the portions of the shaft blank. The fourth step includes shifting the center axis in a direction of making the minimum distance greater than the machining dimension and repeatedly executing the third step when the minimum distance is less than or equal to the machining dimension. The fifth step includes boring the center hole in an end surface of the shaft blank at a position arranged on a line extended from the center axis.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: September 1, 2015
    Assignee: KOMATSU NTC LTD.
    Inventor: Akihiro Yoshimoto
  • Patent number: 9089952
    Abstract: Disclosed are various embodiments for attaching an electronic identification device to bits, such as drill bits and driver bits. A bit identification assembly is configured to attach to a bit. The bit identification assembly may include a core having a bit receptacle where a bit is retained. An electronic identification device may be attached to the core to facilitate identifying and tracking the bit to which the bit identification assembly is attached.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: July 28, 2015
    Assignee: Stanley Black & Decker, Inc.
    Inventors: William Edward Gatling, Christopher John Ruf
  • Publication number: 20150143967
    Abstract: A system for automatic chip breaking used in a cutting machine is illustrated, wherein the cutting machine has a cutter and a spindle actuator. According to control information, the spindle actuator controls the cutter to move along with a first axis to cut a workpiece, and the chips are produced. The system for automatic chip breaking includes a signal collection device, a controller, and an actuator. The signal collection device electrically coupled to the cutting machine collects the control information. The controller electrically coupled to the signal capturing device triggers a control signal according to the control information. The actuator installed between the spindle actuator and the cutter is electrically coupled to the controller, and controls the cutter to vibrate along with a second axis according to the control signal, wherein the second axis and the first axis have a specific angle.
    Type: Application
    Filed: May 26, 2014
    Publication date: May 28, 2015
    Applicant: INSTITUTE FOR INFORMATION INDUSTRY
    Inventors: CHIH CHIEH LIN, CHUN TAI YEN, CHIH CHIANG KAO, HUNG AN KAO
  • Patent number: 9033623
    Abstract: At a contact step in a tool radius adjusting method, a reference portion of a movable body provided radially movably on a housing of a boring tool and a position adjusting reference member fixed on a machine tool are brought into contact by sliding the movable body relative to the housing so that the position of a cutting blade comes to a predetermined position in a direction to go away from a rotational axis. Then, at an adjusting step, the position of the cutting blade relative to the rotational axis is adjusted by changing the relative position between a tool spindle holding the boring tool and the position adjusting reference member in a direction to come close to each other by drive mechanisms of the machine tool used for positioning a spindle head with the tool spindle relative to a workpiece in machining the workpiece with the cutting blade.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: May 19, 2015
    Assignee: JTEKT CORPORATION
    Inventors: Eiji Nakamura, Akihiko Kadota, Takashi Yokoyama, Yasuhiro Komai, Harumi Sawaki, Shun Sawaki, Aya Sawaki, Taku Sawaki
  • Publication number: 20150128772
    Abstract: In an ultrasound-assisted method, in each of at least two sonotrode arms (8, 9) of a sonotrode (7) that is fixed in a protruding manner, said sonotrode arms being connected to each other by means of a respective joint (10) in each case, a respective ultrasonic wave that is transverse to the protrusion direction and that oscillates in a resonance mode is produced, wherein ultrasonic waves superposed in the at least one joint (10) and oscillating in the sonotrode arms (8, 9) of the joint (10) oscillate at a phase offset from each other, and the oscillation planes of the superposed ultrasonic waves are parallel to each other.
    Type: Application
    Filed: June 19, 2013
    Publication date: May 14, 2015
    Inventor: Sophia Hannig
  • Publication number: 20150132493
    Abstract: A method removes a fuel injector pole piece from bar stock and provides a cutoff tool having a first cutting surface and a second cutting surface separate from the first cutting surface. The pole piece and bar stock are caused to rotate about a longitudinal axis. The tool is advanced with respect to the pole piece so that the first cutting surface severs the pole piece from the bar stock and defines an unfinished end surface of the pole piece, with a certain cutting force being exerted on the tool. The tool is further advanced with respect to the pole piece so that the second cutting surface removes material from the unfinished end surface to define a finished end surface of the pole piece, with a cutting force on the tool being substantially less than the certain cutting force.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 14, 2015
    Applicant: Continental Automotive Systems, Inc.
    Inventor: Traynham G. Matheson
  • Publication number: 20150128773
    Abstract: A device and a method for machining of a flat side of an optical workpiece. The device has two flat guides and a side guide for fluidic guidance of a spindle unit and/or a slide. A linear drive with an assigned tool is located on a slide with a turntable. Highly accurate machining is enabled.
    Type: Application
    Filed: May 15, 2013
    Publication date: May 14, 2015
    Applicant: Schneider GmbH & Co. KG
    Inventor: Gunter Schneider
  • Patent number: 9027448
    Abstract: The invention relates a method for reducing the eccentricity of the inner and outer surface (7, 9) of a hollow workpiece (i), for example a hollow shaft, rotatably clamped in machine tool (2), in which in one clamping a plurality of measurement data depending on the contour of the inner surface (7) of the hollow workpiece (i) are recorded, for example with the aid of ultrasound, using the recorded measurement data a desired surface (13) is calculated for at least a part of the outer surface (9), which has a reduced eccentricity with respect to the inner surface (7) and in a further step the rotating workpiece (i) is at least partially machined at the outer surface (9) thereof according to the desired surface (13).
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: May 12, 2015
    Assignee: WFL Millturn Technologies GmbH & Co. KG
    Inventor: Reinhard Koll
  • Patent number: 8997610
    Abstract: A cutting insert according to an embodiment of the present invention includes an upper surface; a lower surface; a side surface located between the upper surface and the lower surface; at least one concave part extending in a thickness direction in the side surface, and having one end thereof located at the upper surface; and a cutting edge which is located at an intersection region of the upper surface and the side surface, and is divided into a plurality of divided cutting edges with the at least one concave part interposed therebetween. The upper surface includes a first raised part located inwardly of the at least one concave part, and a plurality of second raised parts respectively located inwardly of the plurality of divided cutting edges. The plurality of the second raised parts are located inward compared to one end of the first raised part close to the cutting edge in a top view.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: April 7, 2015
    Assignee: Kyocera Corporation
    Inventor: Takuya Ishida
  • Publication number: 20150090081
    Abstract: A cutting insert has a polygonal columnar shape and includes an upper surface, a lower surface, a side surface located between the upper surface and the lower surface, and a cutting edge formed at an intersection of the upper surface and the side surface. The upper surface includes a convex-shaped main part including a flat upper end surface, a first projection projecting from the main part to a corner part of the upper surface, a second projection projecting from the first projection toward the corner part, and a pair of third projections respectively projecting from the first projection toward a periphery of the upper surface that interpose at least a part of the second projection between the pair of third projections. A surface of the first projection is an inclined surface curved in a concave shape, and a surface of the second projection is a planar inclined surface.
    Type: Application
    Filed: March 27, 2013
    Publication date: April 2, 2015
    Applicant: KYOCERA CORPORATION
    Inventor: Chie Onodera
  • Publication number: 20150090080
    Abstract: A cutting insert that has, in an upper surface, a convex portion including a main portion having a flat upper end surface, a first portion projecting from the main portion to a corner portion of the upper surface, a second portion projecting from the first portion to the corner portion, and a third portion projecting from the second portion to the corner portion. Upper end heights of the second portion and the third portion are fixed toward the corner portion, respectively. The first portion and the second portion are connected by a first flat inclined wall surface, the second portion and the third portion are connected by a second wall surface of a convex curved surface, and a front end of the third portion and the breaker groove are connected by a third wall surface of a convex curved surface.
    Type: Application
    Filed: January 30, 2013
    Publication date: April 2, 2015
    Applicant: KYOCERA CORPORATION
    Inventor: Kouhei Sakai
  • Patent number: 8991287
    Abstract: A combined method of machining and applying a surface texture to a work piece and a tool assembly that is capable of machining and applying a surface texture to a work piece are disclosed. The disclosed method includes machining portions of an outer or inner surface of a work piece. The method also includes rotating the work piece in front of a rotating cutting tool and engaging the outer surface of the work piece with the rotating cutting tool to cut dimples in the outer surface of the work piece. The disclosed tool assembly includes a rotating cutting tool coupled to an end of a rotational machining device, such as a lathe. The same tool assembly can be used to both machine the work piece and apply a surface texture to the work piece without unloading the work piece from the tool assembly.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: March 31, 2015
    Assignee: Caterpillar Inc.
    Inventors: Rohit Arun Bhapkar, Eric Richard Larsen
  • Publication number: 20150075338
    Abstract: A cutting insert according to one aspect of the present invention includes a polygonal columnar shape, and includes an upper surface, a lower surface and a side surface located between the upper surface and the lower surface, and a cutting edge is formed at an intersecting portion between the upper surface and the side surface, the upper surface includes a main portion of a convex shape including a flat upper end surface, a first projecting portion which projects from the main portion to a corner portion of the upper surface, and a pair of second projecting portions which each project from the first projecting portion to a periphery of the upper surface to interpose a region between a front end of the first projecting portion and the corner portion, and each of upper ends of the pair of second projecting portions is spaced part from the first projecting portion.
    Type: Application
    Filed: February 8, 2013
    Publication date: March 19, 2015
    Applicant: KYOCERA Corporation
    Inventor: Chie Onodera
  • Publication number: 20150068040
    Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.
    Type: Application
    Filed: November 17, 2014
    Publication date: March 12, 2015
    Applicant: NTN CORPORATION
    Inventors: Kiyotake SHIBATA, Kazunari YAMAMOTO, Kazuhisa SHIGEOKA, Taku NISHIKI, Kazuo KOMORI, Takao MAEDA
  • Publication number: 20150052757
    Abstract: A method for producing a ceramic honeycomb body having large numbers of longitudinal cells partitioned by cell walls, with its peripheral portion removed by machining, includes rotatably holding the ceramic honeycomb body on a main axis of a lathe, and rotating the ceramic honeycomb body around the main axis, to remove its peripheral portion by machining with a tool; the lathe comprising a first fixing jig on the main axis, and a second fixing jig substantially opposing the first fixing jig; each of the first and second fixing jigs having an abutting end portion opposing each other, the abutting end portion having a smaller outer shape than that of the end surface of the ceramic honeycomb body, and the abutting portion having a substantially flat abutting end surface perpendicular to the main axis.
    Type: Application
    Filed: March 26, 2013
    Publication date: February 26, 2015
    Applicant: HITACHI METALS, LTD.
    Inventor: Shunji Okazaki
  • Publication number: 20150047597
    Abstract: In order to machine at least one workpiece on a lathe, where the workpiece rotates in the lathe and the at least one region to be machined of the workpiece is machined with the aid of at least one tool of the lathe, where the tool is moved at least parallel to the rotation axis of the workpiece, where the tool is moved parallel to the rotation axis of the workpiece such that the machined region of the workpiece is formed in a rotationally asymmetrical manner with respect to the rotation axis of the workpiece after machining. Furthermore, the invention disclosure relates to a cooling duct to a piston wall, and to a combustion-chamber hollow of a piston and also to a lathe.
    Type: Application
    Filed: September 11, 2012
    Publication date: February 19, 2015
    Applicant: KS KOLBENSCHMIDT GMBH
    Inventor: Volker Gniesmer
  • Publication number: 20150047478
    Abstract: An apparatus and method of using an apparatus for refacing a tubular connection is provided. In one example, the apparatus has a mandrel connectable to a threaded portion of a tubular connection and two face plates bearing cutters for refacing surfaces of the tubular connection. In this example, the cutting is controlled by an engaging nut moving along a threaded portion of a drive shaft, and the two face plates may be spaced apart at a fixed distance to maintain the distance between the torque-stop surface and the primary surface after refacing. Also, the apparatus uses a locking pin to assist in tightening or loosening the mandrel into place using the remainder of the apparatus. An air-oil system is provided to supply air and oil to the cutting surfaces as the apparatus refaces the shoulders of the connection. An exemplary pin refacer and an exemplary box refacer are both disclosed.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 19, 2015
    Inventor: Patrick DHooge
  • Publication number: 20150033918
    Abstract: Spindle units are provided for machining devices, in particular for a lathing spindle unit, center drive assembly or milling spindle unit. The spindle unit comprises: a spindle shaft rotatably supported in a housing, a chucking device disposed at the spindle shaft for clamping a workpiece or a tool, a motor drive connected to the spindle shaft for driving the spindle shaft around a drive axis, a clamping device for clamping the spindle shaft at a freely selectable angular position around the drive axis, wherein the clamping device is disposed between the spindle shaft and a stationary part of the spindle unit, and an actuating device for actuating and/or releasing the clamping device. The clamping device can be axially actuated in the direction of the drive axis such that an axial or substantial axial clamping force acts in the direction of the drive axis with the clamping device being actuated.
    Type: Application
    Filed: July 25, 2014
    Publication date: February 5, 2015
    Applicant: SCHUSTER MASCHINENBAU GMBH
    Inventors: Erich Lindner, Peter Löffler, Christian Steidle
  • Patent number: 8943933
    Abstract: A cutting insert (130) is formed to be rotationally symmetric with respect to an axis line (C3) of a height direction and to be planarly symmetric with respect to a virtual plane of the insert (VS1), an axis line (C2) of a traverse direction is gradually inclined toward the front of a rotational direction around which a workpiece (W) rotates moving toward a first traverse direction (C2A), an axis line (C1) of a longitudinal direction extends toward a lower surface side of an insert body (131) so as to approach a virtual plane of the tool moving toward a first longitudinal direction (C1A), and one corner portion (143C) in the other cutting edge (132B) is disposed further toward a first traverse direction (C2A) than one corner portion (143A) in one cutting edge (132A).
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: February 3, 2015
    Assignee: Mitsubishi Materials Corporation
    Inventors: Hidehiko Nagaya, Norio Aso, Yasuharu Imai, Shoichiro Watanabe, Kenji Ishizawa
  • Publication number: 20150015352
    Abstract: A linear actuator includes a first tube, a second tube inserted into the first tube to be free to slide, a rod fixed at one end of the rod to the first tube, a rod guide provided on the other end of the rod so as to slide relative to the second tube, a plurality of permanent magnets held by the rod, a holder that is fitted into the second tube and holds a plurality of coils, a first chamber defined between one end of the holder and an end portion of the first tube, and a second chamber defined between the other end of the holder and the rod guide. An insertion hole which connects the first chamber to the second chamber and through which the rod passes is formed in the holder. A connecting groove that connects the first chamber to the second chamber is formed in the second tube to extend in an axial direction.
    Type: Application
    Filed: June 5, 2013
    Publication date: January 15, 2015
    Applicant: KAYABA INDUSTRY CO., LTD.
    Inventors: Kousuke Satou, Takashi Kakiuchi
  • Publication number: 20150013510
    Abstract: A device for the fine machining of a circumferential workpiece surface arranged eccentrically relative to an axis of a workpiece. The device comprises a pressure mechanism configured to press a fine-machining tool against the circumferential workpiece surface. The device also includes a drive unit configured to drive an active section of the pressure mechanism via a first drive and a second drive. The first drive drives the active section in a movement plane that runs crosswise to the workpiece axis along a first movement trajectory. The second drive drives the active section along a second movement trajectory that is at an angle to the first movement trajectory.
    Type: Application
    Filed: July 2, 2014
    Publication date: January 15, 2015
    Inventors: Michael Huber, Markus Mueller, Martin Seger, Alfons Haas, Oliver Hildebrandt