Matches 1 - 50 out of 82 1 2 >


Match Document Document Title
8161853 Centering bushing for centering material bars  
The invention relates to a centering bushing for centering a material bar which is supplied to a chuck of a lathe. An outer construction and an inner construction arranged therein are rotatably...
7770499 Workpiece holding system for a machine tool  
A workpiece holding system for correctly locating disk-shaped workpieces in a work area of a machine tool, in particular for machining rotor disks of a gas turbine engine, includes a base plate (6)...
7726220 Inner and outer diameter chuck for a laser cutting/engraving rotary fixture  
A chuck for a laser cutting/engraving rotary fixture comprises a chuck plate having a chuck plate axis of rotation and at least two mount brackets spaced symmetrically radially with respect to one...
7607377 Axial alignment mechanism with isolated slant disks  
An alignment mechanism that employs two slant disks to adjust alignment between the axes of rotation of a lathe spindle and a wheel hub has a float plate positioned between the slant disks....
7584687 Tool and holder for thermoforming machine  
A tool assembly for a thermoforming machine has a tool holder having an abutment face and a tool having an abutment part. The tool and holder have a groove and a rail fittable in the groove for...
7472633 Transmission apparatus for balance test operation  
A transmission apparatus includes a frame, a rotating disk fitted on the frame, platforms on the rotating disk, an inner rotating member fitted on the frame, a clutch, and an actuating mechanism...
7458299 Centering device for the guided transfer of bars from a feeder to a lathe  
A centering device for the guided transfer of bars from a feeder to a lathe, and interposed therebetween aligned with a bar guide with the mandrel of the lathe, comprising: a bush for fixing to a...
7444757 System and method for aligning a machine-tool with a spindle  
Disclosed is an alignment tool. A body of the alignment tool fits into a turret block, while a head holds a machine-tool. During the alignment process, the head and body are allowed to move...
7188420 Method for manufacturing bevel gears  
A method for manufacturing a bevel gear member, comprises the steps of providing a bevel gear blank having a gearhead, forming gear teeth on the gearhead of the bevel gear blank by simultaneously...
6655244 Centering apparatus and method  
A centering apparatus for centering a disk about a center member such as a shaft or hub includes a plurality of pairs of actuator units. The actuator units of each of the pairs faces each other...
6637306 Lathe assembly and method of operating the lathe assembly  
A lathe assembly having a guide with a passageway for movement of a piece of bar stock, with a leading end and a trailing end, in a substantially straight path between a feeding position and a...
6637307 Method for machining a workpiece and chuck with a center pin for implementing it  
In order to machine a workpiece on a machine-tool successively between centers and with the workpiece clamped in a chuck, the workpiece is held during at least one machining operation—and if n...
6519861 Mechanical centering apparatus and method  
A workpiece (22) having a periphery is centered using a centering apparatus (20) having a workpiece spindle (24, 28) operable to rotate the workpiece (22) about a rotational axis (26), and a...
6439087 Mechanism for gripping and rotating pipe, including plastic covered pipe  
Plastic surface pipe rotary drive apparatus, comprising in combination a drive rotor rotatable about a central axis; a set of jaws spaced about a central axis, and operatively connected to a rotor...
6401348 Electrodynamic rotational axis acquisition tool  
A rotational acquisition tool has a rotatable mounting body including a first side and a second side opposite the first side. A sleeve has a first end fixedly mounted in the body and a second end...
6397712 Lathe chuck with jaw-position monitor  
A lathe chuck has a rotatable chuck body formed with jaw guides and with respective secantally extending rack guides crossing the jaw guides. Jaws are radially displaceable in the jaw guides...
6123000 Centering spindle for a machine tool including an isolation spacer  
A centering spindle for use with a workpiece which is to be induction hardened includes a generally cylindrical outer housing into which a shaft is positioned and mounted in spaced relation to the...
6092447 Shave tool holder including a precise calibration assembly for machining a rotating workpiece  
A shave tool holder having a body, a platform base and a vertically extending superstructure. An elongate shank portion extends from the body and mounts the body to a holder block. The holder block...
6053083 Turning and boring machine with double centering positioners  
A work station between an active spindle adaptor and a passive spindle adaptor having a common rotational axis, receives a workpiece ring supplied from a loader shuttle. The ring has circular outer...
5957017 Dead center for machine tools  
A dead center work support for a machine tool comprises a plurality, preferably at least three concentrically rounded raised radial projections defining the bearing surface of the dead center. The...
5919083 Centering template for concentric grinding  
There is disclosed a self-centering template useful for centering cylindrical bodies on their axes in rotating machines such as a concentric grinder. The centering templates of the invention are...
5860341 Self-centering steady with retractable gripping arms  
A self-centering steady of the closed type includes a housing (H), an actuator (14), a center gripping arm (11) and a pair of side gripping arms (12, 13) intended to grip a workpiece (P) under the...
5771762 Quick-coupling face-driver assembly of a rotary drive device and method for changing face drivers  
A face-driver assembly and method for accurate coupling of a face driver with the spindle of a rotary-drive machining device. The assembly includes a face driver, a hub on the spindle defining a...
5711198 Vertical lathe workpiece support structure  
A support structure for laterally supporting a workpiece in a vertical lathe so as to hold the axis of the workpiece aligned with the vertical support axis of the lathe. The support structure...
5711835 Method of machining a drum-shaped workpiece for an x-ray diagnosis apparatus or photocopier  
A drum-shaped workpiece (37) is machined according to a method whereby the workpiece (37) is fastened to a rotatable holder (1) of a machine tool (3) by means of an adhesive (45), for example a...
5622092 System for simultaneously setting stroke on a crankshaft lathe  
A system is disclosed for simultaneously and more efficiently setting the stroke position of a crankshaft on a crankshaft lathe and a method of using the system in combination with the lathe for...
5518052 XY log charger  
A log charging apparatus for a veneer production line. A log to be peeled is supported in a non rotative manner at a scanning station. The log is scanned and the scan data is input to a computing...
5373760 Live center adapter assembly for machine tools  
A live center adapter assembly is made up of an elongated housing, a center adapter inserted into the end of the housing with a recess in the adapter having a rearwardly tapered inner wall for...
5267380 Method and apparatus for centering a rotary body  
In a method and apparatus for centering a rotary body such as a motor vehicle tire the rotary body is put into a centered position by means of a plurality of centering means which engage the...
5228371 Bar feeding machine for a lathe  
A bar feeding and handling machine. A frame bar is mounted in parallelism with the axis of a machine chuck. The chuck is adapted to support a workpiece. Link members are pivotally attached to the...
5213348 Workpart chuck positioning mechanism with independent shoes  
A workpart chuck centering mechanism moves towards the axis of rotation of the chuck as the chuck rotates in an eccentric non-centered position. The centering mechanism includes two independent...
5178037 Centering and fixing apparatus  
A centering and fixing apparatus for a movable element includes a swing arm that is pivoted on a fixed base member for movement in a vertical plane. A fixing arrangement is mounted on the swing...
5082299 Adjustable rotational coupler  
An adjustable rotational coupler includes a housing having an interior bore concentric with a central axis of the housing. The housing is mountable to a mounting member. Threaded adjusters can be...
5074177 Machine tool with automatic workpiece clamping device  
A machine tool has a pair of rotary spindles which support opposite ends of workpiece to be machined. At least one of the spindles is driven and a ring having a plurality of arms is coaxially...
5048384 Centering device  
A device for centering a feedback tachometer on an output motor shaft. The device includes a housing disposed on the motor shaft. The housing includes a base and flange in which is received a...
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...
4828437 Apparatus for supporting a workpiece  
A method and apparatus for rotatably supporting a workpiece WP includes a bearing ring 300 which extends around a center support member 204. The bearing ring is deflectable inwardly at a plurality...
4790545 Workpart centering mechanism for a chuck  
A workpart chuck is provided with a centering member that is movable toward the axis of rotation of the chuck as the chuck rotates the workpart in an eccentric non-centered position. As the...
4746131 Apparatus for internal chucking of soft three-jaw chucks on lathes  
An apparatus for the internal chucking of a soft three-jaw chuck on lathes is provided to enable the three jaws to be positioned so that they can be bored out to a high precise chucking dimension....
4397343 Log scanning in veneer lathe to determine optimum yield axis  
Apparatus is disclosed for scanning a log with light or other electromagnetic radiation while such log is rotated by the spindles of a veneer lathe to determine its optimum yield axis and for...
4384601 Veneer lathe log charger system having enhanced accuracy and rate of production  
A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially...
4383560 Lathe charger having directionally limited adjustment of scanning spindles  
A veneer lathe charger apparatus is disclosed for scanning a rotating log with light to determine its optimum yield axis and adjusting the charger spindles through a greater range necessary for...
4379477 Veneer lathe log charger system having enhanced accuracy and rate of production  
A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially...
4378830 Veneer lathe log charger system having enhanced accuracy and rate of production  
A veneer lathe charger system utilizing automated equipment for scanning and positioning a log to obtain optimum production of veneer therefrom. The charger has mechanical features specially...
4345495 Lathe dog  
A lathe dog has a floating pendulum disc (D) held in a rotatable holder (H) associated with one center point (B) for a workpiece (A). Such holding is shown to be in a slot (G) by an extension...
4289051 Object centering and moving mechanism  
A mechanism is disclosed to raise a round or hexagonal object having a center and to establish the center on a fixed reference line regardless of the diameter of such object within a finite range...
4141263 Device for the centered clamping of annular workpieces  
A device for the centered clamping, in a turning machine, of an annular workpiece or workpiece stack formed of a plurality of annular workpieces, has a centering cylinder; an arrangement for...
4064774 Work handling apparatus for center drive lathe  
In a work handling apparatus for a center drive lathe having a center chuck and right hand and left hand turrets, the workpiece is accurately located with respect to the chuck, prior to machining,...
4062255 Center turning tool  
A center turning tool usable with a machinist lathe and insertable in the tailstock thereof. This tool may be used by the improved method of leaving the workpiece set up of the lathe as is and with...
3975030 Chuck with dual independently actuable sets of jaws  
A chuck for a chucking machine has a rotatably supported toroidal body having first and second sets of jaws projecting inward from its inner periphery, the first and second sets of jaws being...
Matches 1 - 50 out of 82 1 2 >