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| Number | Title | Issue Date |
| 5134808 | Method of programming and performing the reprofiling of rails of a railroad track and railroad vehicle for carrying out the same The invention relates to a programming method for the reprofiling of rails according to which the track is divided in successive sections as from a starting point and for each of these sections one proceeds for each line of rails to the measuring of the w... | 08/04/1992 |
| 5136522 | Stock dividing method and apparatus for gear manufacturing machine Method and apparatus for stock dividing gear-shaped workpieces mounted on the work spindle of a gear-finishing tool. A work spindle encoder provides instantaneous angular position information when the surface of leading and trailing flanks of the workpiec... | 08/04/1992 |
| 5095258 | Longitudinal motion error compensation apparatus method and apparatus for multiaxis CNC machine A table for use with CNC machines has section one table feature being mounted for movement on the base and the other table section being mounted on the one table section. The table means are movable along mutually perpendicular axes, and are controlled in... | 03/10/1992 |
| 5081796 | Method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer A method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer or the like. The apparatus includes a polishing head for rotating the wafer under a controlled pressure against a rotating polishing platen. The polishing ... | 01/21/1992 |
| 5070655 | Machining process monitor A machine tool monitor having a machine power sensor and a machine vibration sensor transmitting respective vibration and power signals to a controller which process the signals and monitors the machines operation to detect a change in the machine's proce... | 12/10/1991 |
| 5067085 | Optical robotic canopy polishing system A method and apparatus for providing an automated optical robotic polishing system for removing flaws in transparencies, such as transparent canopies used in aircraft. A pneumatic random orbital polishing tool attached to a robot arm is used to polish can... | 11/19/1991 |
| 5053971 | Method and apparatus for edging an optical lens A three axis, computer controlled apparatus for edging optical lenses maps the surfaces of a lens blank along a path defining the shape of the lens to be cut from the lens blank and from which mapping a computer controlled cutting algorithm directs the mo... | 10/01/1991 |
| 4999554 | Method of loading control program for numerical control apparatus The present invention discloses a method of loading a control program for a numerical control apparatus, wherein the control program is composed of a plurality of load modules. Each module contains a judgment codes, such as a version number, at the head p... | 03/12/1991 |
| 4963805 | Numerical control apparatus for machining non-circular workpieces A numerical control apparatus for machining non-circular workpieces such as a cam and the like has been disclosed. The cam and the like are used in changing the operation from rotational to linear motion. In designing the shape of the cam and the like, li... | 10/16/1990 |
| 4942611 | Method of correcting misalignment of a workpiece on numerically controlled machine tool A numerically controlled machine tool machines a workpiece into a roll while rotating the workpiece at a prescribed speed, moving the tool back and forth radially thereof, and moving the tool axially thereof. The misalignment of the workpiece with the axi... | 07/17/1990 |
| 4926337 | Automatic workpart centering mechanism for a chuck An automatic workpart centering mechanism for a magnetic or other chuck of a machine tool is provided. A computer microprocessor controls a digital air pressure regulator and/or an air solenoid valve to supply air pressure to a pneumatic centering hammer ... | 05/15/1990 |
| 4908993 | Grinding machine for reprofiling railheads The machine which comprises serveral grinding heads per stretch of rail and which may be moved with respect to height by means of lifting devices is equipped with an installation for automatically lifting grinding wheels (M1to M8) in the critical zones of... | 03/20/1990 |
| 4903437 | Slicing machine for cutting semiconductor material Slicing machine having a handle to be driven manually to generate command pulses. By revolving the handle, a feedtable is moved at the operator's command, enabling the positioning of a semiconductor material at the right position to start slicing. The thi... | 02/27/1990 |
| 4902951 | Numerically controlled machine tool A numerically controlled machine tool for machining a non-circular workpiece according to profile data. The numerical controller stores phase compensation values and position compensation data files in connection with the types of cam and the various rota... | 02/20/1990 |
| 4884373 | Numerically controlled machine tool A numerically controlled machine tool for machining a non-circular workpiece according to profile data. The numerical controller of the machine tool memorizes the ideal profile data calculated from the ideal final shape of the workpiece, and the execution... | 12/05/1989 |
| 4873793 | Numerically controlled machine tool A numerically controlled machine tool for machining a non-circular workpiece according to profile data. The servomotor drive unit of the machine tool includes a frequency voltage converter which outputs a velocity compensation signal proportional to the f... | 10/17/1989 |
| 4864777 | Method of automated grinding Automated grinding is performed using a tracking means having a sufficient field of view to locate edges to be processed and using a high resolution profiler in order to provide grinding information for calculation of the amount of material which should b... | 09/12/1989 |
| 4855925 | Monitoring apparatus Apparatus for monitoring a grinding machine to produce a simultaneous plot of relative displacement between a grinding wheel and a workpiece and the power consumed during the relative displacement receives signals from a linear displacement transducer and... | 08/08/1989 |
| 4848038 | Method for grinding a non-circular workpiece A grinding method for grinding non-circular workpiece such as a cam. The grinding wheel is moved according to the profile data defining profile generating movement of grinding wheel and cut-in feed data defining cut-in feed movement of the grinding wheel.... | 07/18/1989 |
| 4817003 | Apparatus for detecting and indicating the balance of a rotary body in a machine tool The present invention relates to an apparatus for detecting and indicating the balance of a rotating body such as a grinding wheel, a spindle or the like in a machine tool such as a grinding machine. The apparatus comprises an original-point detecting mea... | 03/28/1989 |
| 4790697 | Automatic grinder A method and apparatus for the automatic balancing of workpiece having diverse surface geometry is disclosed. The balancing machine of the present invention provides for computer numerical controls in the balancing and material removal operations. The pro... | 12/13/1988 |
| 4781452 | Modular optical manufacturing system A method and apparatus for manufacturing prescription eyeglass lenses through the assembly of modular lens components is disclosed. The lens components include single-vision spherocylindrical stock lenses having positive or negative power, prism wedges wh... | 11/01/1988 |
| 4779384 | Rail grinder A rail grinder vehicle includes a series of connections between grinders and a chassis frame such that pairs of the grinders may be operated in an independent mode allowing separate movement and in wave control mode wherein the pair of grinders are couple... | 10/25/1988 |
| 4755950 | Stock divider including a computer controlled gear locator A grinder for form grinding gear teeth in which a work gear is positioned rotationally by a computer controlled drive. A sensitive probe in known angular relation to a grinding wheel about the axis of the gear is positioned at random in any tooth space, a... | 07/05/1988 |
| 4751647 | Method for determining tool size and for machining The method involves moving a reference or dummy tool of known size on a toolhead slide from a known position to actuate a limit switch, moving a working tool of unknown size on the same toolhead slide from the same known position to again actuate the limi... | 06/14/1988 |
| 4740902 | Numerical control apparatus having memory storage for machine patterns, plural individually selectable remachining patterns, and control parameters A computerized numerical controller for a grinding machine is provided with a memory device for storing a plurality of remachining operation programs and first and second data. Each of the operation programs in the memory device defines a grinding cycle p... | 04/26/1988 |
| 4737918 | Apparatus for centering and placing an adapter on an optical lens blank and for controlling a grinder The apparatus comprises a flat electronic screen (7), means (14) for displacing on the screen an image, stored in a data bank (9), of a given template or frame of spectacles, and means (8) for recording the displacements of the image on the screen (7), st... | 04/12/1988 |
| 4736326 | Numerical control apparatus for grinding machine capable of grinding taper and non-taper portions of workpiece A numerical control apparatus which controls a grinding machine that includes a work table for supporting a workpiece, a grinding wheel and a truing device for truing the grinding wheel. The workpiece has taper and non-taper portions to be ground. The num... | 04/05/1988 |
| 4731607 | Data input and display device for a numerical control grinding machine An interactive data input device for a numerical control grinding machine is provided with a key board for inputting data which defines the shapes of a number of machining portions formed on a cylindrical workpiece and a central processing unit for contro... | 03/15/1988 |
| 4715147 | In-process gaging equipment for flexible grinding cells A flexible grinding cell in-process gage system includes a pallet assembly and gage bench fixture assembly with means to preset the gage for subsequent use at a grinding station. The preset pallet and gage are operated at the grinding station to produce a... | 12/29/1987 |
| 4709509 | Numerically controlled grinding machine A numerically controlled grinding machine equipped with two registers in which data concerning the positions of the cylindrical and shoulder grinding surfaces of a grinding wheel is stored. A reference point is established on the wheel spindle stock. A re... | 12/01/1987 |
| 4706004 | Playback system grinding robot A playback system grinding robot is disclosed which includes a No. 2 arm attached for ocillation to the head of a No. 1 arm turning around a main axis, a drive arm arranged adjacent to the No. 1 arm so as to drive the No. 2 arm, and abrasive tool attached... | 11/10/1987 |
| 4667445 | Rotary grinding machine A rotary grinding machine comprising a grinding wheel supported by a column on a bed, a work table rotatably supported on the bed and carrying thereon a workpiece to be ground, a fluid passage holder located in a circumferential groove formed in the work ... | 05/26/1987 |
| 4656590 | Method and apparatus for making patterns for eyeglasses A system for computerizing eyeglass geometrical frame pattern records at a central location for access by eyeglass retailers or wholesalers is disclosed. The pattern records are stored in a central computer in the form of instructions for a remote pattern... | 04/07/1987 |
| 4648025 | Interactive numerical controller for a machine tool A numerical controller for a grinding machine is provided with a memory device, a data processor, a data input device, a display device and a manual pulse generator. After the setting positions of a grinding wheel carrier, a tail stock and the like of the... | 03/03/1987 |
| 4643622 | Automatic C-axis feedrate control for machine tools A machine tool 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 working edge of a tool as the tool alte... | 02/17/1987 |
| 4637169 | Apparatus for controlling the advance of a machine tool toward a workpiece The advance of a tool toward a workpiece is controlled with two acoustic transducers, one acting as a transmitter and the other as a receiver. The acoustic energy transmitted from the one to the other as the tool and the workpiece approach one another (th... | 01/20/1987 |
| 4631869 | Automatic workpiece engaging apparatus in grinding machines An apparatus for automatically causing a workpiece to engage a rotary tool. A pulse signal generated by rotating a reference workpiece is stored, and then a pulse signal generated by rotating a mounted workpiece is counted. The counted pulse signal and th... | 12/30/1986 |
| 4631870 | CNC grinding machine A CNC grinding machine includes a base having a first plane surface which can be defined by two axes perpendicular with each other, a work station driven by a first servomechanism to be capable of moving on the first plane surface and rotating about a thi... | 12/30/1986 |
| 4633408 | Program-controlled edge grinding machine for glass panes with a program-controlled rotatable grinding head A grinding apparatus for glass panes includes a slide and a grinding head with a grinding tool mounted on the slide. The grinding head is capable of rotation through 360° during movement of the slide by an X-Y path control. A motor drives the grinding he... | 12/30/1986 |
