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| Number | Title | Issue Date |
| 4630214 | Jig grinder with automatic reciprocation and outfeed control A control system for an automated jig grinder enables an operator to designate an incremental outfeed distance to be traversed for each outfeed operation and a reciprocation stroke count to be completed between successive outfeeds. The control system coun... | 12/16/1986 |
| 4615149 | Feed control apparatus for grinding machine A feed control apparatus for a numerically controlled grinding machine having a work table movable in a first axis direction, a wheel head provided thereon with a grinding wheel of the angular type and movable in a second axis direction perpendicular to t... | 10/07/1986 |
| 4608643 | Automatic tool grinding machine with computerized control The disclosed machine comprises holding means for holding a drill or other similar tool to be ground, first and second drive means for producing translatory movement of the holding means along rectangularly related directions, third drive means for produc... | 08/26/1986 |
| 4604834 | Method and apparatus for optimizing grinding A cylindrical grinding process is controlled by measuring the precession of lobes about the grinding wheel and the workpiece and employing the measured lobe precessions to determine an exponential chatter growth index, which is a measure of the rate of gr... | 08/12/1986 |
| 4603511 | Grinding robot A grinding robot of playback system to grind 3-D curved surface is disclosed which is comprised of No. 1 arm being horizontally oscillatable around a vertical axis, No. 2 arm pivoted horizontally oscillatable to the head of said No. 1 arm, fluid cylinder ... | 08/05/1986 |
| 4603392 | Controlling method and apparatus for grinding machines A method of and apparatus for controlling a grinding machine having a grinding wheel and a table for holding a workpiece to automatically perform desired operations in which data concerning the grinding characteristics of a plurality of grinding wheels an... | 07/29/1986 |
| 4590573 | Computer-controlled grinding machine Grinding machine for finishing a surface of revolution on a workpiece, comprising a computer-controlled program bringing about a rounding-up operation at creep speed by spindle deflection compensation. A sensor is provided that generates an analog electri... | 05/20/1986 |
| 4586146 | Grinding mill control system Computerized control of a grinding mill complex to establish a predetermined optomized operating setpoint condition in the presence of chemical additive grinding aids responds to a plurality of input signals representative of mill operating characteristic... | 04/29/1986 |
| 4584798 | Automated railway track maintenance system A railway track maintenance system for grinding the heads of rail track rails. The system includes a master microprocessor which controls a plurality of individual slave microprocessors controlling a plurality of grinding heads positioned under a series o... | 04/29/1986 |
| 4570385 | Computer controlled workpiece finishing apparatus The finishing apparatus is a grinder or like device having a workpiece holder manipulator which is translatable along X and Y axes and rotatable about a Z axis, an axis of tilt with respect to the plane of the X and Y axes and an axis normal to the plane ... | 02/18/1986 |
| 4550532 | Automated machining method Disclosed is a process which produces precision ground articles such as tungsten carbide burs without the use of skilled craftsmen. An automatic apparatus is described which is capable of performing the motions necessary to produce a machined given object... | 11/05/1985 |
| 4547996 | Jig grinder with automatic C-axis feedrate control A jig grinder is provided with a controller for computing, as a function of an established radius and a preset feedrate, a rotational speed for rotating the machine spindle to provide a uniform surface speed at the cutting edge of the grinding tool as the... | 10/22/1985 |
| 4523409 | Automatic contour grinding system An automatic contour grinding system for smoothing a surface, including: a robot; a robot controller; a grinder device mounted to the robot; means for monitoring the grinding action of the grinder device; means, responsive to the means for monitoring, for... | 06/18/1985 |
| 4498259 | Numerical controller for a grinding machine In a computerized numerical controller for a grinding machine, various grinding modes in which a plurality of portions on a cylindrical workpiece are respectively ground and plural sets of machining data each for use in machining a corresponding one of th... | 02/12/1985 |
| 4490946 | Grinding wheel feeder in grinding machines Wear on the dressing tool is derived from an amount of movement that a grinding wheel is advanced until issuance of a signal from a sizing device for correcting data on the radius of the grinding wheel. The data on the radius of the grinding wheel is thus... | 01/01/1985 |
| 4484413 | Control apparatus for a grinding machine In a grinding machine having a workpiece drive device for rotating a workpiece about an axis and an infeed device for effecting relative infeed movement between a rotating grinding wheel and the workpiece, a computerized numerical controller is provided w... | 11/27/1984 |
| 4475320 | Method for regrinding step drills A drill bit pointer machine includes a laser micrometer for measuring the pilot diameter and transmitting the data to a microprocessor through a digital readout. The microprocessor is programmed to manipulate the data and define the operation of a stepper... | 10/09/1984 |
| 4441281 | Pulse cancellation circuitry A digital control system for a roll grinding machine controls the infeed of the grinding wheel in a manner which minimizes the impact of momentary changes in infeed command. The momentary change in infeed command which is effectively controlled is that of... | 04/10/1984 |
| 4419612 | Single workhead electro-mechanical internal grinding machine with grinding spindle directly on cross slide An electro-mechanical control system for controlling all of the movements of one or more slides on a single workhead grinding machine. A programmable controller is interfaced with a digital to analog converter or feed control which in turn controls a driv... | 12/06/1983 |
| 4400781 | Numerical controller for cam grinding machine A numerical controller for a cam grinding machine, which has a cam drive unit and a grinding wheel drive unit, includes a memory for storing profile data of a cam corresponding to angular positions thereof. A data processor is provided for reading out the... | 08/23/1983 |
| 4384333 | Control system for crankshaft milling and grinding machines A control system for a crankshaft-milling or grinding machine having a milling carriage movable in a plane perpendicular to the longitudinal axis of the crankshaft to be machined. A pulse-generating rotary transducer coupled to the workpiece spindle suppl... | 05/17/1983 |
| 4375670 | Machine tool for machining crankshafts and control system for the machine tool A machine tool and its associated control system has workpiece holding me which are mounted on a frame for rotation about a fixed axis and are adapted to support and to be fixedly connected to a workpiece, such as a crankshaft, centered on that axis. The... | 03/01/1983 |
| 4337599 | Method of shoulder grinding A method of grinding a shoulder portion of a workpiece by a grinding wheel whose edge surface is smaller in width than the shoulder portion of the workpiece. The workpiece is rotated about a first axis and the grinding wheel is rotated about a second axis... | 07/06/1982 |
| 4293913 | Numerical controller for a grinding machine A numerical controller having a digital computer with a memory device, a feed control device responsive to feed control data supplied from the computer for controlling the servomechanisms of a grinding machine, a data write-in device manually operable for... | 10/06/1981 |
| 4167082 | Automatically controllable projecting contour grinding machines An automatically controllable projecting contour grinding machine comprising a grinding disc support, a grinding disc, actuator elements, an optical projection device, a projection surface, numerical control means, and a marking, wherein said grinding dis... | 09/11/1979 |
| 4136390 | Grinding control system for forming non-circular punching tools Grinding apparatus and control system for forming non-circular punching tools comprising a grinding wheel having a cylindrical grinding surface, a rotary table with its axis parallel to the grinding wheel axis and carrying orthogonally movable slides such... | 01/23/1979 |
| 4115857 | Process and apparatus for on-track truing of the heads of rails of a railway A process and apparatus for on-track truing of the surface of the head of rails of a railway wherein a predetermined number of truing tools, oriented along tangents to the profile of the head, are moved along generatrices of the surface and wherein the va... | 09/19/1978 |
| 4061952 | Computer-controlled machine tool A control system for a grinding machine or other machine tool, wherein desired workpiece profiles are stored in a digital computer which controls the position of a tool in relation to a workpiece in accordance with the stored profile and in accordance wit... | 12/06/1977 |
| 4031445 | Control arrangement for a cam production machine An automatic milling or grinding machine provided with a rotationally and rectilinearly displaceable workpiece support is disclosed. Sets of information relating to the law of a camming surface to be formed on a workpiece and to workpiece-dependent parame... | 06/21/1977 |
