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Class 451/242 - Work rotating


Subclass of Class 451 - Abrading
Definition: Abrading machine in which the work is turned about an axis
No. of patents: 129
Last issue date: 12/13/2011


1        
NumberTitleIssue Date
8075373Roll grinding apparatus
A roll grinding apparatus includes a clamping device, a grinding wheel, a first driver, and a second driver. The clamping device includes a base, a support connected with the base and being movable relative to the base, a first clamping member and a second clamping ...
12/13/2011
7819722Apparatus and method for manufacturing abrasive tools
A compression molding apparatus and method for the manufacture of abrasive layers for abrasive tooling which provides a compression mold space defined between an inflexible wall surface and a flexible wall surface. The apparatus and method of the present invention i...
10/26/2010
7435157Grinding machine, computer software to operate such a machine, and their uses therefor
An extremely precise computer controlled grinding machine having the capability to write its own computer programs for controlling the grinding machine to perform individual tasks, including both grinding and dressing to several millionths of an inch. A new device f...
10/14/2008
7429208Automated system for precision grinding of feedstock
A grinding system for grinding feedstock includes a transport apparatus, a grinding apparatus, and a controller. The transport apparatus continuously transports feedstock of an arbitrarily long length at a desired feed rate, and the grinding apparatus grinds the fee...
09/30/2008
7318722Molded article conveyance apparatus
Disclosed is a molded article conveyance apparatus (MACA) configured to convey a plurality of molded articles away a molding machine. The MACA includes a collection of row-dedicated queuing conveyors, wherein each row-dedicated queuing conveyor is configured to conv...
01/15/2008
7310909Silk flower holder
A holder for silk flowers including multiple extensions extending laterally outwardly of the holder, a pair of spaced discs respectively interconnected with the inner surface of the holder, a pair of apertures formed respectively in the discs, and multiple pointed p...
12/25/2007
7293337Machining apparatus
A machining apparatus for conducting at least one of a cutting process and a grinding process, comprises a stationary base; and a working device mounted on the stationary base and having a degree of freedom of more than two axes to conduct at least one of a cutting ...
11/13/2007
7258594Method and device for centerless cylindrical grinding
During centerless cylindrical grinding, attention must be paid to the fact that the workpiece (3) is placed in a very specific position between the grinding wheel (1), the regulating wheel (2) and the support guide (4). The optimal positi...
08/21/2007
7207877Clamp-type optical disc repairing device
A clamp-type optical disc repairing device is used to clamp an optical disc with a central hole and swab or repair the optical disc, and comprises: a first clamp arm; and a second clamp arm, pivotally coupled to the first clamp arm. Force-applying ends are defined o...
04/24/2007
7198554Method of making valve guide having textured external surface
A cylindrical valve guide having a roughened external surface texture from about 50 to about 100 microinches permits effective amounts of lubricating oil to become trapped or contained by such roughened external surface and thereby facilitates subsequent press fitti...
04/03/2007
7189144Centerless grinding apparatus and centerless grinding method
A centerless grinding apparatus (10) includes an outer diameter surface grinding wheel (11) for grinding the outer diameter surface of a work (1) of a substantially cylindrical shape, a regulating wheel (12) for supporting the outer diame...
03/13/2007
7182676Machining apparatus and machining method of work end face, roller and roller bearing
A machining apparatus 10 of an end face of a roller includes a rotatable inner disk 11, a cage 14 having a pocket portion 13 for holding a plurality of rollers 12 at predetermined intervals in a peripheral direction at an outer dia...
02/27/2007
7168899Apparatus and method for centering a workpiece on a machine tool
An apparatus is provided for centering a workpiece on a machine tool that includes first and second guide plates having respective first and second aligned bores therein for supporting a centering pin mounted therein for axial movement between a retracted position a...
01/30/2007
7147542Centerless grinder
A centerless grinder for grinding an elongated workpiece includes a grinding wheel having a working surface with a plurality of raised areas extending circumferentially around at least a portion of the working surface. A platform is provided having an elongated top ...
12/12/2006
7125312Rotor-grinding machine comprising a rotary head with two grinding wheels
The invention relates to a machine (1) for grinding the blades of a turbine rotor (2) or a compressor. The inventive machine consists of a rotary head (6) which is provided with two different grinding wheels (7, 7′) for grinding the rot...
10/24/2006
7125320Apparatus and method for grinding and/or polishing an edge of a glass sheet
An apparatus and method are described herein which help prevent particles and other contaminants that are generated when an edge of a glass sheet is processed from contaminating or damaging the glass sheet. The apparatus includes an encapsulation device and a proces...
10/24/2006
7125319Apparatus and method for grinding and/or polishing an edge of a glass sheet
An apparatus and method are described herein which help prevent particles and other contaminants that are generated when an edge of a glass sheet is processed from contaminating or damaging the glass sheet. The apparatus includes an encapsulation device and a proces...
10/24/2006
7101269Cylindrical grinding machine
Disclosed is a cylindrical grinding machine of the type that a workpiece support device composed of a work head and a foot stock is mounted on a forward upper portion of a bed while a wheel head unit composed of a slide base and a wheel head is mounted on a rear upp...
09/05/2006
7101268Grinding table for liquid crystal display panel and grinder apparatus using the same
Disclosed is a grinding table apparatus for a liquid crystal display panel and a grinder using the adapt to various sizes of unit liquid crystal display panels for grinding edges of the corresponding liquid crystal display panel by adjusting a variable moving distan...
09/05/2006
7066792Shaped polishing pads for beveling microfeature workpiece edges, and associate system and methods
Systems and methods for beveling microfeature workpiece edges are disclosed. A system in accordance with one embodiment is configured to remove material from a microfeature workpiece having a first face, a second face facing opposite from the first face, an edge sur...
06/27/2006
7052379Methods and apparatus for machining a coupling
A method facilitates fabricating a coupling including a first annular coupling member and a second annular coupling member. The method comprises coupling the first coupling member to a machine assembly that includes a plurality of grinding wheels coupled to a tool s...
05/30/2006
7052370High-precision machining system
A rotation axis of a work spindle and a rotation axis of a spindle primary-axis portion are rotated relative to each other and feeding of a work-piece to a tool is accordingly adjusted, whereby warpage of the tool in accordance with a change in machining condition i...
05/30/2006
7037176Through-in grinding method and through-in grinding apparatus
In centerless grinding there are the in-feed and the through-feed scheme, each having their respective advantages and disadvantages. When a work being machined by centerless grinding has plural portions being machined, those portions can be distinguished as p...
05/02/2006
7037182Template device for the control of the movements of diamond milling cutters or the like, to be mounted on marble or stone slab border polishing machines
The template device according to the present invention permits to determine the procedure for an angular displacement of the diamond milling cutter heads in respect to the size of the slab to be worked, and precisely the slab thickness, in order to obtain the same p...
05/02/2006
7004827Method and apparatus for polishing a workpiece
A carrier has openings for holding workpieces during polishing. Upper and lower polishing pads push against upper and lower surfaces of the workpieces, respectively. A ring is provided within the openings. This ring surrounds the workpieces, and prevents or reduces ...
02/28/2006
7001248Fine tilting adjustment mechanism for grinding machine
Provided is a grinding machine comprising a carrier adapted to raise or lower, the carrier including a V-shaped groove across its top and a forward pad at either side, a spindle unit including an inverted L-shaped mounting plate, and a fine tilting adjustment mechan...
02/21/2006
6966823Buffing head and method for reconditioning an optical disc
A buffing head (34) includes a rotary element (36) for retaining an optical disc (20) and causing the disc (20) to rotate at a first speed. A buffing element (38) contacts a work surface (30) of the optical disc (20),...
11/22/2005
6960122Optical disc repairing device
An optical disc repairing device is mounted on a repairing machine base to perform cleaning, maintenance and repair of the optical disc. The repairing device includes a movement transmitting element, a connecting element mounted on the movement transmitting element,...
11/01/2005
6901833Automated tube trimming system
An automated tube trimming system accurately trims tubes to the correct height and angle. The tube trimming system is a combination of an automated trimming saw and a unique spherical tube clamping system. A spherical clamp having a fixed clamp section and an intern...
06/07/2005
6852006Automated system for precision grinding of feedstock
A grinding system for grinding feedstock includes a transport apparatus, a grinding apparatus, and a controller. The transport apparatus continuously transports feedstock of an arbitrarily long length at a desired feed rate, and the grinding apparatus grinds the fee...
02/08/2005
6729938Centerless grinding machine
A centerless grinder 1 according to the present invention comprises a bed 108, a grinding wheel spindle stock 101, a regulating wheel spindle stock 102, a work rest 103, and the like. The grinding wheel spindle stock 101 and...
05/04/2004
6699110Apparatus for repairing the surface of an optical disc
An apparatus for repairing the surface of the optical disc, which is used to repair a damaged area of the laser transparent surface of the optical disc. A rotary seat is rotatably disposed on the base seat. An upper cover is pivotally connected with the b...
03/02/2004
6662072Grinding process and control device for a knife shaft
The present invention relates to a process and control device to grind a knife shaft used in a machine intended for cutting sheets of materials into strips, for example, sheets of paper, plastic, plates of photosensitive film or any other material having ...
12/09/2003
6626745Precision drill sharpener and grinding wheel assembly therefor
A precision drill sharpener and grinding wheel assembly is provided, as is a corresponding drill chuck for use with the drill sharpener, in which the drill sharpener includes a lever and spring clip alignment subassembly for properly positioning a drill i...
09/30/2003
6626735Method of stopping machining operation in machine tool and machining controlling apparatus for implementing the same
A machining controlling apparatus numerically controls a wheel spindle stock and a spindle apparatus, and performs the machining operation of a workpiece by a grinding wheel. When a power failure has been detected by a power-failure detecting unit, a grin...
09/30/2003
6620029Apparatus and method for front side chemical mechanical planarization (CMP) of semiconductor workpieces
An apparatus for performing semiconductor planarizing operations is disclosed. In an exemplary embodiment, the apparatus includes a carrier assembly for maintaining a workpiece therein in a face up orientation. A roller assembly includes a first cylindric...
09/16/2003
6547652Linear CMP tool design using in-situ slurry distribution and concurrent pad conditioning
An apparatus for multiple component slurry distribution during semiconductor wafer polishing operations. Concurrent polishing pad conditioning is obtained by means of a novel polishing pad design where polishing pads are mounted in a cylindrical configura...
04/15/2003
6544105Control device to implement a grinding process for a knife shaft
The present invention relates to a control device to grind a knife shaft used in a machine intended for cutting sheets of materials into strips, for example sheets of paper, plastic, plates of photosensitive film or any other material having the form of t...
04/08/2003
6485353Apparatus and method for grinding composite workpieces
A grinding machine has a wheelhead movable tinder computer control perpendicular to the axis of a composite workpiece, mounted between a headstock and a tailstock, and workrests slidable along front and rear rails. Between the workrests are sandwiched rig...
11/26/2002
6354920Centerless camshaft microfinishing machine
A centerless microfinishing machine especially adapted for machining camshaft workpieces. The microfinishing machine causes the camshaft workpiece to rotate through the use of a centerless drive system including spaced rollers which frictionally engage th...
03/12/2002
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