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3739157 |
METHOD FOR PREPARING PROGRAM MEDIUM FOR MULTIPLE CONTROLLED ELEMENT MACHINE
A method for preparing a program tape for simultaneously controlling both heads of a two-head machine, the head path segments being placed on the tape in order of absolute time at completion.
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3738764 |
MEANS FOR PRODUCING RELATIVE MOVEMENT BETWEEN TWO BODIES
Means for moving one body relative to another comprises a main toothed rack carried on one body and at least three actuators carried on the other body. Each actuator carries a stub rack of similar...
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3735496 |
LOCK DECODER AND DECODING METHOD
A decoder and method for decoding certain lever tumbler locks. The locks include a case having an inner surface, a bolt with a fence, a cylinder with a keyway, and a column of lever tumblers, each...
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3735157 |
TEMPERATURE COMPENSATION FOR MAGNETIC MILLING FORCE SENSORS
An improved system is provided for sensing spindle deflection of a milling machine and developing a feedrate control signal in accordance therewith to achieve optimum tool life consistant with high...
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3728607 |
PHASE ANALOG NUMERICAL CONTROL SYSTEM EMPLOYING A LASER DIGITIZED POSITION FEEDBACK
A digitally operable phase analog numerical control is described which comprises position measuring means for producing a train of pulses wherein the individual pulses represent increments of...
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3727198 |
CONTROLLED WORK PERFORMING APPARATUS HAVING CONTROL SYSTEM WITH RECORD MAKING CAPABILITY
Work performing apparatus whose cycle of operation is controlled by programmed control signals transcribed from magnetic tape. Two magnetic tape decks on the apparatus permit one recorded cycle of...
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3714865 |
APPARATUS FOR MILLING CAMS AND THE LIKE, AS FOR SWISS-TYPE SCREW MACHINE CAMS
The invention is directed to a novel apparatus for milling Swiss-type screw machine cams. The invention provides a highly simplified and economical numerically controlled system enabling Swiss-type...
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3705339 |
AUTOMATIC SERVOMOTOR CONTROL FOR LATHES PROVIDING SFM AND CHIP THICKNESS CONTROL
An SFM control for automatically controlled lathes and other turning machines including feed supply means for automatically feeding a part being machined relative to a cutter tool of the lathe...
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3691901 |
TABLE MECHANISM FOR USE IN TRANSFERRING DIMENSIONAL AND SHAPE INFORMATION BETWEEN TWO AND THREE DIMENSIONAL OBJECTS
A system of master-slave synchro-servo mechanism interconnects, for conjoint movement, a first stylus mounted for two dimensional movement across a paper or other flat surface, and a second stylus...
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3688642 |
PATTERN GUIDE SYSTEM
A conventional type of tool control system consists of a stylus which is guided around a predetermined pattern. By suitable servo mechanisms (usually hydraulic powered) a cutting tool is caused to...
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3676761 |
AUTOMATIC TOOL SYSTEM AND METHOD FOR CONTROL
A circuit particularly useful for automating a standard machine-shop turret lathe. The circuit includes the capability of programming a sequence of events to be performed by the lathe. Mechanical...
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3676651 |
RAPID RETRACT FOR THREAD CUTTING
A numerical control system for performing a thread cutting operation on a lathe and responding to programmed path and final position coordinates to immediately execute a rapid tool retraction...
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3675517 |
ADAPTIVE AND NUMERICAL CONTROL MACHINE TOOL
A numerically controlled machine tool with optimum adaptive control mechanism capable of properly altering the cutting section area and stopping of the cutting operation by self-correction of the...
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3672246 |
AUTOMATIC SPINDLE GROWTH COMPENSATION SYSTEM
A numerically controlled lathe is provided with a spindle growth compensator which continuously monitors the spindle growth using a displacement sensing device with a linear electrical output...
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3665170 |
NUMERICAL CONTROL SYSTEM FOR PROVIDING A CONSTANT RATE OF METAL REMOVAL
A numerical control system for providing a constant rate of metal removal in terms of surface feet per unit time. The operative relationship between the rotational speed of a rotating workpiece...
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3665280 |
ZERO OFFSET NUMERICAL SERVO MACHINE CONTROL SYSTEM
A numerical control system for machine tools or the like such as milling machines is disclosed which directs movement by absolute measurement from a reference zero. Programmed data relating to a...
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3665493 |
ADAPTIVE NUMERICAL CONTROL SYSTEM FOR A MACHINE TOOL
While the path of a milling machine cutter with respect to a workpiece is controlled from prerecorded information by a conventional numerical control system, the rate of feed of the cutter along...
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3650178 |
MULTI-PURPOSE MULTI-MOTION MACHINE TOOL
A gantry type of milling machine capable of traversing in x, y and z directions over a large work table or bed and tilting about the x and y axes is described. The y direction tilt is provided by...
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3649899 |
FEEDRATE NUMERICAL CONTROL CONTOURING MACHINE INCLUDING MEANS TO PROVIDE EXCESS FEEDRATE
A circuit arrangement is provided in a numerical control system such that the rate of motion command signals provided at the output of the contour generator for the numerical control system may...
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3641872 |
PRODUCING A CURVED SURFACE WITH NUMERICALLY CONTROLLED MACHINE TOOL
For machining a surface having compound curvature by means of a numerically controlled machine tool, a rotary cutting or grinding tool is used. It has a convex working surface that has the same...
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3637058 |
SPINDLE-ORIENTED STOP MECHANISM FOR MACHINE TOOL
A stop mechanism for stopping the spindle of a machine tool in a preselected position. The drive mechanism for the spindle is deenergized by a signal from a tape-operated controller and the inertia...
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3636814 |
APPARATUS FOR AND METHOD OF CHECKING A TOOL OF A NUMERICALLY CONTROLLED MACHINE
A switch apparatus is provided and mounted on a numerically controlled machine having a programmer and a tool mounted in an associated tool holder. The tool holder with its tool and switch...
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3635124 |
USE OF TAPE-CONTROLLED MILLING MACHINES TO CARVE COMBUSTIBLE CASTING PATTERNS
A tape-controlled milling machine, adjusted for material removal at a rate at least 100 times as great as for steel, is used to carve casting patterns from expanded polystyrene. Billets of the...
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3628417 |
METHOD AND APPARATUS FOR ENGRAVING CHARACTERS
A method and apparatus for engraving characters by the use of numerically controlled machine tools. The characters are engraved by moving a first machine tool about the outline of the desired...
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3609497 |
NUMERICAL CONTROL INCLUDING ZERO OFFSET AND PULSE COUNTING DIGITAL COMPARISON
A numerically controlled positioning system for positioning a movable member, employing serial signal processing circuits having circulating registers for receiving discrete input signals...
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3609322 |
DIGITAL TRACER CONTROL
A digital tracer control responsive to inputs from a tracing head for controlling servomechanism inputs of a machine. From the tracing transducers, the system immediately converts the analogue...
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3597821 |
METHOD OF MAKING AN INTEGRATED MATCH MACHINING ROCKET NOZZLE
A rocket nozzle shell-ablative liner composite is disclosed in which a large hot-sized, high-strength unitary nozzle is formed of annularly welded frustoconical ring sections of varying diameters...
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3593615 |
MECHANISM FOR TRANSFERRING DIMENSIONAL AND SHAPE INFORMATION BETWEEN TWO AND THREE DIMENSIONAL OBJECTS
A system of master-slave synchro-servomechanism interconnectes, for conjoint movement, a fist stylus mounted for two dimensional movement across a paper or other flat surface, and a second stylus...
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3582670 |
MULTICHANNEL SEQUENCING SYSTEM
A multichannel sequencing system for a machine tool element which is shiftable along a respective axis. A rotatable drum has an axis of rotation and an axially extending surface in which there is a...
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3526903 |
ADAPTIVE SERVO CONTROL SYSTEM FOR MACHINE TOOLS
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3498181 |
AUTOMATIC MILLING MACHINE
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3496636 |
KEY CUTTING MACHINE WITH PRESELECTED DEPTH GAUGING
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3495775 |
NUMERICAL CONTROL DEVICE
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3491277 |
THERMAL COMPENSATION SYSTEM FOR POSITION TRANSDUCERS
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3483795 |
CLOSED LOOP FEEDBACK FOR MACHINING
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3481042 |
SURFACE SENSING APPARATUS
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3478626 |
CONTROLLED FEED SYSTEM
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3475996 |
MACHINE TOOL PROGRAMMER
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3474231 |
APPARATUS FOR COMPARING AN ANALOGUE VALUE WITH A DIGITAL VALUE
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3473098 |
DIGITALLY PROGRAMMED POSITIONING MOTOR CONTROL SYSTEM FOR MOVABLE MACHINE STRUCTURE
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3469497 |
MULTIPLE TABLE SWIVELING WORK SUPPORT
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3451050 |
MEMORY SYSTEM FOR MACHINE CONTROL
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3448642 |
SLIDE TOOL
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3449540 |
NUMERICALLY CONTROLLED AUTOMATIC POSITIONING AND WELDING APPARATUS
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3440906 |
KEY CUTTING MACHINE
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3430035 |
MACHINE TOOL CONTROL WITH CUTTER DIAMETER COMPENSATION
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3406607 |
Tool changing and feed control mechanism
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3405600 |
Numerical control positioning apparatus
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3400313 |
Point to point motor positioning control for a machine tool including tool offset compensation at each point
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3393588 |
Spindle growth compensating system
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