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| Number | Title | Issue Date |
| 7169028 | Flexible finishing shoe A flexible finishing shoe for finishing a workpiece have a bearing surface and an adjacent side, the flexible finishing shoe comprising a shoe base having a first side and an opposing second side and a finishing body disposed between the first and second sides, the ... | 01/30/2007 |
| 7101263 | Flank superabrasive machining The present invention relates to a quill to be used to superabrasively machine complex shapes, such as airfoil shapes, into a substrate. The quill has a shaft portion, an enlarged head portion adjacent the shaft portion, and a tapered grinding portion adjacent the e... | 09/05/2006 |
| 6200204 | Roll grinder with vibration dampening A roll grinder system including a roll grinder bed of high dynamic stiffness, having a roll support and a grinding wheel support fixedly mounted to the roll grinder bed. The roll grinder bed is comprised of a monolithic epoxy granite block with a steel pl... | 03/13/2001 |
| 5934973 | Semiconductor wafer dicing saw A semiconductor wafer dicing saw is controlled by monitoring blade exposure from a flange holding the blade during the wafer dicing process. As the wafer is cut and separated into discrete electronic chips, the dicing blade wears. As the blade is brought ... | 08/10/1999 |
| 5857895 | Checking device for a microfinishing machine tool A microfinishing machine tool comprising an abrasive belt and reference and clamping shoes for the machining of a cylindrical surface of a workpiece. In order to perform a checking, in the course of machining, of dimensions and geometrical characteristics... | 01/12/1999 |
| 5679061 | System for grinding rings with hydraulic holding An annular workpiece having an inner peripheral surface and an outer peripheral surface at least one of which is centered on a workpiece axis is ground by supporting the workpiece hydraulically on a liquid layer in a support for rotation about the axis, r... | 10/21/1997 |
| 5437125 | Surface polishing assembly A universal surface polishing assembly movable along the longitudinal axis of a workpiece including a pair of polishing arms with a surface grinding material affixed to each end of the polishing arms respectively, a regulated cylinder for actuating the po... | 08/01/1995 |
| 5311704 | Method and apparatus for correcting diametrical taper on a workpiece A microfinishing arm assembly for reducing taper on selected bearing journal surfaces of various workpieces rotated about a longitudinal axis. The microfinishing arm assembly includes a primary finishing arm and a taper correction means for applying a plu... | 05/17/1994 |
| 5251405 | Method for circumferential grinding of radially non-circular workpieces A method serves for circumferential grinding of radially non-circular workpieces, in particular for grinding cams (15) or polygons. The workpiece is rotated about a first second axis (13) extending at an angle, preferably of 90°, relative to the first ax... | 10/12/1993 |
| 5231799 | Rail following "Q"-height grinder A localized grinder is traversed in series over flat tension mask support rails affixed to a CRT front panel to produce a constant "Q"-height on the mask support surface above the rails. A local measuring device is used to develop point-specific rail heig... | 08/03/1993 |
| 5157872 | Control apparatus for grinding machine A control apparatus for controlling the amount of grinding of a belt material in a grinding machine wherein, for example, in the production process of making belts, a cylindrical belt material is ground on its back to finish its thickness to a standard di... | 10/27/1992 |
| 5155944 | Method and apparatus for honing workpieces A method and device for honing a workpiece surface to be machined to provide a finished size and surface configuration comprising a honing tool with adjustable honing elements, the elements having a cutting zone and a calibrating zone, and also comprising... | 10/20/1992 |
| 5150545 | Arrangement for measuring the diameter of cylindrical parts during the machining thereof This measuring arrangement (1) enables the self-calibration of cylindrical parts (2) in the course of machining and interrupts such machining when a predetermined dimension has been attained. It comprises a head (5) exhibiting a V opening bearing on the p... | 09/29/1992 |
| 5148636 | Size control shoe for microfinishing machine Microfinishing devices and processes for in-process gauging of a microfinishing process of generally cylindrical workpieces. A size control shoe is used with a microfinishing shoe such that the diameter of a generally cylindrical workpiece can be continua... | 09/22/1992 |
| 5095663 | Size control shoe for microfinishing machine Microfinishing devices and processes for in-process gauging of a microfinishing process of generally cylindrical workpieces. A size control shoe is used with a microfinishing shoe such that the diameter of a generally cylindrical workpiece can be continua... | 03/17/1992 |
| 5079874 | Process for controlling an automatic machine for cleaning castings An automatic grinding machine for cleaning castings, including a machine stand, supporting mutually adjustable clamping or holding devices for processing a casting, and further including a tool holder, on which a grinding and/or cutting-off disk is adjust... | 01/14/1992 |
| 4945685 | Honing apparatus having electrically operated actuator for relative reciprocating movement between honing head and workpiece A honing apparatus for honing a cylindrical surface of a workpiece, including a honing head supporting honing stones, a first drive device having an electrically operated bidirectional actuator for effecting a relative reciprocating movement between the h... | 08/07/1990 |
| 4858391 | Sizing apparatus for an internal grinder Sizing apparatus for an internal grinder having an oscillation motor for oscillating a grinder wheel contacting the inner peripheral surface of an annular work piece, a sizing device to generate sizing signals for measuring the bore of the work piece, a m... | 08/22/1989 |
| 4831787 | Honing process A honing process using a honing machine as a honing arbor or spindle, the travel or stroke limit points of which can be set, and that also has a measuring device, with at least one sensor, mounted on the honing tool for the workpiece that is to be honed, ... | 05/23/1989 |
| 4811524 | Cylinder grinding machine with tracing and dimensional and surface checking A cylinder grinding machine with devices for tracing and dimensional and surface checking has a front bench provided with rests for supporting the workpiece and a head and a counterhead for rotation and longitudinal restraint of the workpiece. A rear benc... | 03/14/1989 |
| 4807400 | Measuring apparatus for grinding machines for cylinders with structural and surface checking devices The independent measuring apparatus for grinding machines for cylinders, rollers and the like, according to the invention, consists of a column supported by an independently movable carriage on a fixed bench of the machine, on which a gage is supported, h... | 02/28/1989 |
| 4703587 | Method and relevant apparatus for controlling machine tools Two machine tools are provided with control systems for machining two different types of pieces to be matched to each other. In order to obtain small batches of relevant pieces that basically can be completely matched to one another, the control systems a... | 11/03/1987 |
| 4539777 | Machining in-process gage calibration from reference master A system and method for controlling operation of a machine tool such as a grinder wherein engagement of the machine tool with a workpiece is controlled in real time by a workpiece measurement signal from a gage likewise engaged with the workpiece. The mea... | 09/10/1985 |
| 4506422 | Method of producing bearing devices for wheels of automobiles A method of manufacturing a bearing assembly for the wheels of automobiles, wherein an axle member B is ground by a first step wherein a raceway surface 5 and a cylindrical seat 6 are simultaneously ground, a second step wherein any deviation of the finis... | 03/26/1985 |
| 4505073 | Apparatus for sorting power transmission belts An apparatus and method of sorting power transmission belts into groups of substantially equal length. The apparatus is entirely automatic and includes mechanism for transferring seriatim the respective belts from a supply to a measuring drive mechanism. ... | 03/19/1985 |
| 4423567 | Power stroking honing machine and control apparatus A beam stroker honing machine is controlled to provide a vertical stroke by means of a series of non-contacting sensors. The sensors are a plurality of reed switches which sense the position of a hydraulic cylinder which moves the honing beam up and down.... | 01/03/1984 |
| 4294045 | Grinding machine with a sizing device A grinding machine wherein a wheel support carrying a grinding wheel is moved along a straight path extending at an acute angle to an axis of rotation of a workpiece. For the subsequent simultaneous grindings of a cylindrical surface and a shoulder side s... | 10/13/1981 |
| 4291504 | Method and apparatus for in-process gaging of tool elements A method and apparatus for gaging the cross-sectional bore diameter generated by an abrading type finishing tool in an abrading machine. The tool and plug gage are mechanically mounted to the same spindle with the plug sized to a predetermined diameter an... | 09/29/1981 |
| 4274230 | Apparatus for controlling a machine tool during the machining of a first workpiece to be matched with a second workpiece already machined The invention relates to an apparatus for controlling a machine tool during the machining of a first workpiece to be matched with a second workpiece already machined. The purpose of the invention is that of solving the problem to obtain the desired play a... | 06/23/1981 |
| 4187646 | Apparatus for grinding Method and apparatus for controlling the operation of a grinding machine of the type comprising a circular grinding wheel adapted to rotate about its axis and a spindle adapted to hold a workpiece at a position radially spaced from the grinding wheel. The... | 02/12/1980 |
| 4181115 | Power control of a stone cutting machine having cutting chains In a stone cutting machine having a cutting chain rotated by a motor and a separate power feed for the machine, the power consumption of the drive motor is monitored. When the power consumption falls below a minimum, a control signal is generated to incre... | 01/01/1980 |
| 4181077 | Preparation of printing surfaces To make a gravure cylinder, a metal cylinder is formed with recesses in its surface in a regular pattern and all of substantially the same depth, the recesses constituting gravure cells separated by cell walls. A different material, generally a plastics m... | 01/01/1980 |
| 4179854 | Grinding machine with rest apparatus In a grinding machine, a grinding wheel is digitally fed toward a workpiece being supported by a rest apparatus. Means is provided to measure a diametral dimension of the workpiece during a grinding operation. A taper amount of the workpiece ground under ... | 12/25/1979 |
| 4177607 | End surface machining apparatus for a matching workpiece An end surface machining apparatus is provided, wherein an end surface of a first workpiece is machined with a second workpiece being inserted into the first workpiece. First and second in-process gauges are engageable at their feelers with the end surfac... | 12/11/1979 |
| 4170851 | Grinding machine Grinding machine for bearing races and the like in which a grinding plane extending transversely of the race axis is adjusted axially in accordance with variations in the end-to-end dimension of the race to provide a symmetrical track or groove of control... | 10/16/1979 |
| 4167081 | Centerless grinder A centerless grinder having a feed mechanism for introducing members at a uniform rate into the grinder. The feed mechanism comprises an escapement mechanism for diverting a member such as a pellet from a stream and into the grinder along with a feed whee... | 09/11/1979 |
| 4139969 | Apparatus for controlling the grinding of workpieces An automatic control for a grinding system is disclosed for controlling the advancement of a grinding wheel into a workpiece to provide a substantially constant time span between the termination of the operation of the feed means which advances the grindi... | 02/20/1979 |
| 4117634 | Controlling method for a grinding machine During rough grinding operation of a grinding machine, metal removal rate of the workpiece is detected for shifting the changing point from the rough grinding to fine grinding, and, with larger metal removal rate, the changing point is shifted earlier and... | 10/03/1978 |
| 4074416 | Mirror and method of making same A mirror, and method of making same, is disclosed. The mirror includes a metallic base material having a low coefficient of thermal expansion, an intermediate layer bonded to the base by a plasma spray process and a reflecting surface overlying the interm... | 02/21/1978 |
| 4036607 | Method and relevant apparatus to check the rotation of mechanical workpieces being machined on grinders A method for checking the rotation of mechanical workpieces which includes the steps of measuring the workpiece size, processing the measuring signals occurring to generate at least one signal responsive to the measurement of size variations of the workpi... | 07/19/1977 |
