| Patent Number |
Title Of Patent |
Date Issued |
| T995005 |
Digital data communication link for automatic machining system |
June 3, 1980 |
| A plurality of machine tools are linked together by a material handling system which carries workpieces from one machine tool to the next in line along a conveyor. The workpieces are clamped to pallets which are carried on conveyor carts between machine tools and which are shuttled onto |
| T977007 |
Program modification registers for numerically controlled machine tools |
December 5, 1978 |
| by utilizing a set of program modification registers, a numerically controlled machining program can be written with loops and branches like a computer program. The order and action of the program blocks can be made dependent upon data contained in the program modification registers. The |
| RE31247 |
Diagnostic communications system for computer controlled machine tools |
May 17, 1983 |
| A diagnostic communication system for machine tools interlinks a computer controlled machine tool with diagnostic and analysis equipment located at a location remote from the machine tool. The computer associated with the machine tool is connected with the diagnostic apparatus over a tel |
| RE31153 |
Mass memory access method and apparatus |
February 15, 1983 |
| A method and apparatus for transferring digital data between a mass memory and a random access memory. The mass memory has a plurality of memory loops, each having a plurality of memory cells, and a read/write device which either outputs data from the memory cells or inputs data to the |
| RE30975 |
Spindle probe with orbital transformer |
June 22, 1982 |
| A probe is mounted on the nose of a toolholder which fits into the spindle of a numerically controlled machine tool. An oscillator is mounted within the toolholder and is powered by a battery within the toolholder. The output of the oscillator is coupled to a primary coil on the toolhold |
| RE28814 |
Index and table drive means for a machine tool |
May 18, 1976 |
| A single drive and control means is selectively engageable to provide either rectilinear movement to the table base or rotary movement of an index table carried by the table base. |
| D257042 |
Machine tool |
September 23, 1980 |
|
| D244445 |
Machine tool |
May 24, 1977 |
|
| 5354158 |
Six axis machine tool |
October 11, 1994 |
| A machine such as a machine tool includes a pair of spaced platforms. One platform (11, 31, 185, 72, 159, 142) may mount an operator such as a tool in a spindle and the other platforms (10, 20, 180, 170, 144, 163) may mount an object such as a workpiece. The spaced platforms are joined b |
| 5283934 |
Automated part storage and machnining system |
February 8, 1994 |
| A machining system is provided which includes a selected number of machining centers for selectively cutting or machining metallic parts, the system further including a rack structure for providing inventory storage for parts which are to be machined by the centers. There is further |
| 5066176 |
Probe for machine tool |
November 19, 1991 |
| A probe device (10) for a machine tool includes a part sensing device (28) attached to the end of a piston rod (26), movable along a cylinder (12) mounted on the machine tool spindle head (14). The rod (26) is attached to a piston (42) that is air actuated to extend or retract the rod (2 |
| 4845834 |
Tool clamping mechanism |
July 11, 1989 |
| A tool clamping mechanism (12) is provided for a tool engaging arm having a frame or chassis (18) which is moved along a path of travel toward a tool (47). The mechanism includes a tool contact member or tongue (60) and preferably includes a pair of spaced apart fingers (40) positioned t |
| 4792267 |
Carriage for a machine tool |
December 20, 1988 |
| A carriage for a machine tool includes ways (16) and (18), a base (14) supporting the ways and a saddle (20) supported by bearings (22) and (24) for movement along the ways to carry a column (26) along the X-axis of the machine tool. The load bearing surface (16a) of way (16) is located |
| 4784894 |
Molded polymer composite |
November 15, 1988 |
| A composite for constructing an article which is composed of a nonmetallic substance as represented by igneous rock of different particle sizes which are compacted and then surrounded by a solidified plastic resin. In a preferred manner, the igneous rock material is a selected type of ba |
| 4759115 |
Numerically controlled automatic tool changing machining center having a bar-type spindle |
July 26, 1988 |
| A numerically controlled automatic tool changing machining center is provided with a rotary driven spindle concentric within which is a spindle bar that may be reciprocated out from or into the spindle by a hydraulic cylinder. Located at the forward end of the spindle bar is a tool r |
| 4750272 |
Tool measuring device employing gap width detection |
June 14, 1988 |
| A tool measuring apparatus for a machine tool is provided with a plunger (16) mounted to move along an axis (22) to vary the spacing between the end of the plunger and an inductive element (26) of an inductive displacement measuring device (24). Device (24) generates a signal V.sub.y |
| 4699276 |
Chain-type tool storage magazine |
October 13, 1987 |
| A magazine (10) for a machine tool (not shown) comprises a number of links (12) joined together by pins (14) to form a closed chain (16). A socket (32) is formed in each link for receiving a tool (34) to position the tool center line (36) midway between and in parallel relation with, the |
| 4679970 |
High speed toolholder for a machining center |
July 14, 1987 |
| A high speed toolholder for driving a small high speed cutting tool from the large slow speed spindle of a machining center comprises a housing having a retention pin extending from side end thereof. An input shaft, dimensioned to be received in the machining center spindle, is rotatably |
| 4673076 |
Rotary shuttle for machine tools |
June 16, 1987 |
| A rotary shuttle (10) for a machine tool (11) in which no power mechanism is required for moving the pallet (14, 15) with the workpiece off of the shuttle (10) and on to the machine tool worktable (13A) or for withdrawing a pallet (14, 15) with the completed workpiece on it off of the ma |
| 4643037 |
Gear change mechanism |
February 17, 1987 |
| A gear change mechanism for a machine tool in which shifting forks with sliding gears and constant mesh gearing using clutch and/or brake shifting is eliminated. A shiftable gear mechanism is presented in a gear train for meshing engagement with any one of a plurality of gears for select |
| 4632612 |
Spindle orientation apparatus |
December 30, 1986 |
| An apparatus for angularly orienting a machine tool spindle (24) to a keylock position includes a resolver (39) which is directly mounted on a shaft (13) of a spindle drive motor (12), the spindle (24) rotating synchronously with the shaft (13) through a shiftable gear train. Resolver |
| 4629053 |
Closed loop machining system |
December 16, 1986 |
| Three machine tools are positioned in spaced apart relationship at the corners of a triangle. Each machine tool has a worktable which is rotatably mounted on a corresponding bed for rotation about a corresponding vertical axis. Each worktable has guide means for slidably receiving a |
| 4628441 |
Automatic dynamic error compensator |
December 9, 1986 |
| An automatic dynamic error compensator for compensating the position error arising within a servo drive system includes a measuring head which is operative to measure the relative indicated position of two or more measuring vanes on the movable member. The measuring head, together with a |
| 4603485 |
Leveling apparatus |
August 5, 1986 |
| A device (10) for measuring the difference in elevation between first and second substantially horizontal surfaces (12a, 12b) includes first and second chambers (10a, 10b) respectively located on the surfaces (12a, 12b). The chambers contain quantities of a fluid such as mercury (116) an |
| 4575918 |
Tool change mechanism |
March 18, 1986 |
| A tool changer for interchanging tools between a machine tool and a magazine in a minimum amount of time so as to reduce the down time of a machine tool. The tool changer includes a frame or base member for mounting on the machine tool with the frame member presenting at least two sp |
| 4558506 |
Numerically controlled automatic tool changing machining center having a bar-type spindle |
December 17, 1985 |
| A numerically controlled automatic tool changing machining center is provided with a rotary driven spindle concentric within which is a spindle bar that may be reciprocated out from or into the spindle by a hydraulic cylinder. Located at the forward end of the spindle bar is a tool r |
| 4536111 |
Machine tool having numerically controlled adjustable arbor set up for straddle milling |
August 20, 1985 |
| A machine tool having a numerically controlled adjustable arbor for facilitating different straddle milling operations on random workpieces without the need for manual adjustment of the cutter width comprises a frame which carries a power station thereon. The power station has a rota |
| 4533859 |
Motorized ball nut |
August 6, 1985 |
| A motorized nut for use in conjunction with a fixedly secured lead screw for displacing a movable member along a fixed member into which the lead screw is journaled parallel to the desired path of member movement, includes an induction motor whose case is rigidly secured to the movable |
| 4527661 |
Adaptive control system for machine tool or the like |
July 9, 1985 |
| An adaptive control system for a machine tool or the like includes a temperature sensor for measuring spindle bearing temperature and two pairs of thrust sensors for measuring radial and axial spindle deflection. Data processing apparatus, typically comprised of a microcomputer, is coupl |
| 4514123 |
Adaptive control system for machine tool or the like |
April 30, 1985 |
| An adaptive control system for a machine tool or the like includes two pairs of thrust sensors for measuring radial and axial spindle deflection and a temperature sensor for measuring spindle bearing temperature. Data processing apparatus, typically comprised of a microcomputer, is coupl |
| 4507850 |
Boring bar adjusting apparatus |
April 2, 1985 |
| A boring bar adjusting mechanism for automatically correcting an offsize boring cutter. The mechanism includes a measuring gauge and an adjustable boring bar, each mounted in separate tool holders and each stored in the tool storage magazine. The measuring gauge is transferred to the spi |
| 4487087 |
Ball nut having adustable preloading |
December 11, 1984 |
| An improved ball nut having adjustable preloading comprises a pair of ball nut halves both in threaded engagement with a ball screw. Only one of the nut halves is secured to a movable machine member, the other nut half being movable to the relative fixed nut half. Separating the two nut |
| 4480738 |
Workpiece storage and shuttle apparatus |
November 6, 1984 |
| An improved workpiece storage and shuttle apparatus is fabricated of a base into which a carousel is journaled for indexable movement. Located about the periphery of the carousel are a plurality of workpiece storage pedestals, each pedestal having a pair of spaced apart guides thereon, |
| 4472783 |
Flexible manufacturing system |
September 18, 1984 |
| An improved flexible manufacturing system comprises a plurality of computer numerically controlled machine tools, each controlled by a machine control system which is supplied with a plurality of sets of machine NC part programs and a program map from a supervisory control computer syste |
| 4462080 |
Voice actuated machine control |
July 24, 1984 |
| A voice actuated control system suitable for use on a computer numerically controlled (CNC) machine tool includes a pair of radio frequency transmitters and a pair of radio frequency receivers, one of the radio frequency receivers and one of the radio frequency transmitters being loc |
| 4449866 |
Servo-controlled spindle drive system |
May 22, 1984 |
| A servo system for the rotary spindle of a machine tool in which the spindle is driven by a drive motor through a gear train having shiftable gears for changing the rate of rotation of the spindle. The transducer for the servo system is mounted directly on the motor drive shaft in order |
| 4443928 |
Multiple-spindle tool changer |
April 24, 1984 |
| Apparatus for simultaneously changing all of the tools in a multiple spindle machining center is provided with a number of tool carrying devices, each device corresponding to a different one of the spindles. Each tool carrying device is capable of selectively engaging each of a numbe |
| 4432258 |
Controllable tool feeding apparatus |
February 21, 1984 |
| A tool feeding head is provided, which is adapted for rapid attachment to and detachment from a machine spindlehead. The head includes a shaft which is joinable to a machine spindle of the spindlehead for coupling rotary driving motion from the spindle to either a cross-feed or feed-out |
| 4427325 |
Multiple spindle toolhead |
January 24, 1984 |
| An improved multiple spindle toolhead for a machine tool includes a body having at least one tool-carrying spindle journaled into one side thereof and having an input shaft coupled to the spindle and extending from the body side opposite to the spindle for seating in the machine tool spi |
| 4421443 |
High speed machine tool spindle assembly |
December 20, 1983 |
| A high speed machine tool spindle assembly for firmly retaining a cutting tool therein, notwithstanding machine tool vibration, includes a spindle having an axially extending bore therethrough. Integrated to each end of the spindle is a tool gripping collet, each collet being urged radia |
| 4413938 |
Spindle motor powered drawbar |
November 8, 1983 |
| The spindle of a machine tool has a drawbar disposed therein for threaded engagement into and out of the toolholder inserted into the spindle bore to releaseably secure the toolholder within the spindle. Splined on the rearward end of the drawbar distal from the spindle is a spur gear wh |
| 4404727 |
Machine tool operable as both a chucking type lathe and as a machining center |
September 20, 1983 |
| A machine tool operative as both a chucking type lathe and as a horizontal spindle machine center comprises a rotatable spindle horizontally journaled to a spindlehead vertically reciprocal on a machine tool upright, the upright being slidably mounted for movement on one leg of an "L |
| 4400859 |
Machining centers for machining tubular workpieces |
August 30, 1983 |
| A machining center for machining the interior of an elongate tubular workpiece includes a bed on which a rotatably indexable member is slidably mounted for movement on the bed along a first axis. Removably fastened on the indexable member in spaced parallelism are a first and second holl |
| 4398326 |
Collet unclamping mechanism |
August 16, 1983 |
| Pressurized hydraulic fluid for energizing the collet unclamping mechanism of a machining center is supplied through a first solenoid valve from an accumulator which is charged by a piston pump. The piston pump is attached to the machining center between the Z axis slide and the Z bed so |
| 4390953 |
Unmanned diagnostic communications system for computer controlled machine tools |
June 28, 1983 |
| An unmanned diagnostic communications system for analyzing the operation of a remotely situated computer controlled machine tool and for diagnosing any abnormalities disclosed during machine tool operation includes an auto dialer and MODEM coupled between the computer controlled machine |
| 4380796 |
Portable control box for computer numerically controlled machine tools |
April 19, 1983 |
| Remote control of a computer numerically controlled (CNC) machine tool is facilitated by an intelligent portable control box coupled to the CNC machine tool through a radio frequency link, typically taking the form of a single conductor coaxial cable. The portable control box includes a |
| 4376970 |
High speed digital position monitoring system |
March 15, 1983 |
| An electronic control system for a machine tool employs a monitoring system for monitoring the absolute position of a reversibly (and linearly or rotationally) movable moving member in the machine tool. The monitoring system includes a clock, a digital feedback position counter having a |
| 4365315 |
System for multilingual communication of computer-specified aural or visual control messages in |
December 21, 1982 |
| Multilingual computer-specified control messages are communicated to an operator in an operator-selected language by the combination of a message writer and a language changer. The language changer contains a set of message storage tables, each containing a set of control messages writte |
| 4358888 |
Automatic tool changer with internal tool storage magazine |
November 16, 1982 |
| A vertical spindle numerically controlled machining center includes a stationary bed or base on which a workpiece holding table is slidably mounted for movement along a first axis. A vertically extending upright or column, having a vertically reciprocal spindlehead slidably mounted t |
| 4356609 |
Spindle keylock |
November 2, 1982 |
| A spindle keylock for stopping and locking the spindle of a machine tool at a predetermined angular orientation to align the machine tool spindle key with the toolholder key to facilitate tool exchange includes a collar fastened about the spindle for co-joint rotation therewith. The coll |
