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Class Information
Number: 318/572
Name: Electricity: motive power systems > Positional servo systems (e.g., servomechanisms) > Program- or pattern-controlled systems > Digital or numerical systems > Contouring systems > With "zero-offset" or tool radius correction
Description: Subject matter in which means are provided for (1) varying the reference points from which the coordinates of the system are measured or (2) compensating the system for variation in the diameter of the tool, such compensation being precalculated.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4782275 Reference point return method Nov. 1, 1988
4776247 Numerical control system Oct. 11, 1988
4771222 Tool coordinate system setting system Sep. 13, 1988
4764878 Surface cutting method Aug. 16, 1988
4764877 Surface cutting method Aug. 16, 1988
4755949 Apparatus for setting work coordinate system of machine Jul. 5, 1988
4754208 Circular path control apparatus and method for multi-axis servomechanisms Jun. 28, 1988
4723219 Programmed path for automatic tool retraction and return responsive to degradation threshold Feb. 2, 1988
4713593 Method and device for determining the operating condition or status of an actuating or adjusting drive of a printing machine Dec. 15, 1987
4706200 Area cutting method Nov. 10, 1987
4706004 Playback system grinding robot Nov. 10, 1987
4703415 Method of approach in area cutting Oct. 27, 1987
4703146 Wire EDM taper cutting method using path data of two planes of a workpiece Oct. 27, 1987
4669927 Deep hole drilling machine Jun. 2, 1987
4659265 Tool radius compensation method for numerically controlled apparatus Apr. 21, 1987
4643622 Automatic C-axis feedrate control for machine tools Feb. 17, 1987
4636960 Method of operating a machine tool with a sensing probe in order to gather positional data for the calculation of tool offset parameters Jan. 13, 1987
4628458 Method of detecting lift of tool based upon cumulative machining distance Dec. 9, 1986
4620281 In-process cutting tool condition compensation and part inspection Oct. 28, 1986
4617503 Active datum for coordinate reference in a numerically controlled machine tool Oct. 14, 1986
4608645 Numerical control system for a machine tool with a tool dimension compensation function Aug. 26, 1986
4603286 Acceleration/deceleration control system Jul. 29, 1986
4597040 Method of retracting and returning a tool from and to a workpiece during the machining of this workpiece by a numerically controlled machining device, and numerically controlled machining devi Jun. 24, 1986
4591771 Numerical control system May. 27, 1986
4590580 Automatic measurement/compensation apparatus for tool diameter May. 20, 1986
4583159 Numerical controlled machine tool making intermediate measurements Apr. 15, 1986
4572998 Tool radius compensation system Feb. 25, 1986
4564914 Method for machining three dimensional contours utilizing a numerically controlled lathe Jan. 14, 1986
4562392 Stylus type touch probe system Dec. 31, 1985
4561058 Method of and apparatus for measuring distance in numerically controlled machine tools Dec. 24, 1985
4558977 NC Method and system for machining a 3D contour in a workpiece Dec. 17, 1985
4559601 Numerically controlled cutting method Dec. 17, 1985
4554495 Datum reference for tool touch probe system Nov. 19, 1985
4533286 Tool compensation method Aug. 6, 1985
4516211 Numerical control system May. 7, 1985
4510566 Machine tool readout with automatic cutter radius offset Apr. 9, 1985
4503493 NC Machine for producing tangential entry to and exit from a compensated contour Mar. 5, 1985
4501999 System for stopping spindle at commanded position Feb. 26, 1985
4497029 Numerical control device Jan. 29, 1985
4477754 Interactive machining system Oct. 16, 1984
4471443 Compensation method and apparatus for thermal displacement Sep. 11, 1984
4456863 Apparatus for automatic calibration of servo response Jun. 26, 1984
4451892 Method of and apparatus for measuring distances in numerically controlled machine tools May. 29, 1984
4445182 Method of control of NC machine tools Apr. 24, 1984
4441281 Pulse cancellation circuitry Apr. 10, 1984
4428055 Tool touch probe system and method of precision machining Jan. 24, 1984
4422149 Process and apparatus for the correction of the control program of an automatic glass sheet cutting machine Dec. 20, 1983
4422150 Machine tool controller and part inspection monitor Dec. 20, 1983
4418305 Velocity feedback circuit Nov. 29, 1983
4404506 Tool position offsetting system for a spare tool Sep. 13, 1983

1 2 3 4

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