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7402097 |
Track supported bore finishing device
A bore honing device comprising a support assembly including first and second end support elements connected by a base support which supports an axial guide track. A trolley engaging with the guide...
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7347765 |
Honing installation with several work stations
A honing installation for honing workpieces comprises a plurality of work stations, each work station being configured for performing at least one working step on a workpiece and at least part of...
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7241209 |
Orbiting polishing tool
An orbiting polishing tool for at least one of polishing and material removal. The orbiting polishing tool may include a housing of a housing assembly rotatable about a first axis. The orbiting...
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7104870 |
Modified radial motion (MRM) method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears
The present invention relates to a modified radial motion method for modifying lengthwise curvature of face-milling spiral bevel and hypoid gears, which is capable of modifying a locus of a cutter...
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7083500 |
Method and device for grinding the outside and inside of a rotationally symmetric machine part comprising a longitudinal borehole
A machine part with a conical effective surface, which is machined by means of a device comprising a machine bed, a longitudinally movable grinding bench, and a workpiece spindle head that clamps...
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6991521 |
Edge finishing process for glass or ceramic disks used in disk drive data storage devices
The circumferential edges of glass or ceramic disks used in disk drive data storage devices are preferably finished by ductile grinding to produce an essentially fracture-free surface, which is not...
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6796882 |
Appliqué film and paint treatment removal tool
An appliqué film and paint removal tool includes a central rotating shaft, a spring-loaded locator pin, at least three freely rotating bearings, an arbor, and a collar. The rotating shaft may be...
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6783444 |
Tool for machining surfaces in bores
The tool comprises a tool wheel ( 5 ) which is mounted on a holding arm ( 4 ) and has a tool-wheel parent body ( 6 ) having a machining body ( 7 ) arranged at the outer margin. In one embodiment...
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6739954 |
Grinding pin for grinding machines comprising resin bonded selections of rough grit and fine grit
A grinding pin ( 53 ) for grinding notches in the edges of disc workpieces, such as semi-conductor wafers, comprises a metal spindle ( 132 ) for mounting in a grinding machine, and an adjoining...
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6716088 |
Work processing method
A processing apparatus capable of grinding an arcuate groove (a groove having an arcuate shape in section) of various shapes defined in a work with a good accuracy. A pseudo-elliptic arcuate groove...
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6679766 |
Diamond sleeve honing tool
A honing tool assembly adapted to be chucked in a honing machine for reciprocation and rotation, the assembly comprising a diamond-plated tool for honing cylindrical bores in a workpiece, the...
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6561869 |
Gear grinding machine and gear grinding method
A gear grinding machine and a gear grinding method, in which a gear-shaped grinding stone is caused to engage a gear-like workpiece and one of the gear-shaped grinding stone and the gear-like...
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6551178 |
Reamer with adjustable expansion/contraction, and bore finishing machine comprising the same
A reamer with adjustable expansion/contraction and a bore finishing machine comprising the reamer. The reamer has a rotation shaft that is externally operable and a grinding section. The grinding...
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6475073 |
Inner diameter grinding wheel and grinding apparatus using the wheel for grinding a cylindrical workpiece
A grinding apparatus uses an inner diameter grinding wheel ( 4 ) to grind a doughnut-shaped workpiece ( 12 ), and comprising: an axle support cylinder ( 5 ) for support a sleeve-shaped grinding...
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6461229 |
Abrasive machine for machining a surface of a cylindrical work piece
Machine for machining an envelope surface of a cylindrical work piece includes a tubular cylindrical housing with a longitudinal axis and having an inner space extending from a first end of the...
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6435954 |
Abrasive machine for machining a flange on a work piece
A machine for machining a flange on a work piece comprises a rotated tool, chucking equipment and feeding means for relative displacement between work piece and tool, a tubular cylindrical housing...
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6425808 |
Honing tool
A honing tool has a large-diameter portion thereof provided with a plurality of stone holding recesses arranged radially from the inner bore to the outer edge for slidably holding grinding stones....
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6322423 |
Internal abrasive machine
An internal abrasive machine abrades material from an inner surface of a workpiece. The machine includes a casing rotated about a first axis, with a workpiece rotated therewith about the first...
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6306017 |
Method and machining tool for producing helically profiled workpieces
For producing hectically profiled workpieces (1) the helical profile (2) is first of all prefabricated by a milling treatment and is then finished by a grinding treatment of the profile surface. To...
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6241590 |
External abrasive machine
An abrasive machine for grinding material from an outer surface of a workpiece. The machine includes a rotationally driven casing having an opening at one axial end thereof. The opening is defined...
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6234879 |
Method and apparatus for wafer chamfer polishing
A method and apparatus for polishing chamfers made along the periphery of a semiconductor wafer designed such that when the wafer is once picked up by a rotatory suction cup of a transportation...
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6152812 |
Punching machine for cutting glass
A punching machine for cutting glass having a punch body comprises a hollow punch holder on a top side of the punch body; a hollow punch on a bottom side of the punch body having a cavity on a...
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5961382 |
Pipe beveler
A new PIPE BEVELER for ATTACHING TO A ROTARY SAW FOR PRODUCING THIRTY DEGREE BEVELS ON PIPES. The inventive device includes a coupling plate adapted for coupling with respect to a rotary saw. A...
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5803794 |
Combined grinding machine for providing an internal spline
The combined grinding machine for internal spline includes three grinding heads for processing a bore of internal spline parts. The machine clamps a workpiece and at the same time can finish grind...
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5800252 |
Fluid-activated variable honing tools and method of using the same
An improved honing method and device connected to a source of pressurized fluid for machining a wall of a bore hole or similar interior of a workpiece. The honing device includes a tool mandrel...
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5709591 |
Unitary molded honing tool
An injection molded disposable honing tool is made by an injection molding process. The tool has an elongated rectangular base from which projects an elongated section which may be somewhat...
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5630749 |
Apparatus for the mechanical removal of deposits on welding electrodes
The invention relates to an apparatus for the mechanical removal of deposits on welding electrodes. Welding electrodes have to be cleaned after a certain number of welding operations due to...
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5591065 |
Method of dressing honing wheels
The present invention relates to a method for dressing a hone of a honing wheel which is used for honing a gear to be finished. A dressing tool is brought into contact with the honing wheel under a...
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5571040 |
Method and device for detecting blade flexure and blade flexure control device for use with a slicing machine
A method and device are adapted for detecting and controlling the flexure of a flat ring blade member of a slicing machine in which a workpiece is placed in the blade member, and a relative...
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5554063 |
Centerless grinder having inside diameter size control and method therefor
A centerless grinding machine comprises a stationary disk, a following disk, and a shoe, which cooperate to hold and rotate a workpiece. The following disk is mechanically loaded to the bias...
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5524604 |
Method and apparatus for slicing semiconductor wafers
A method and apparatus for slicing semiconductor wafers. An inner peripheral cutting edge has a doughnut-shaped blade with electro-deposited diamond grains. The blade is attached to a moving...
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5404678 |
Wafer chamfer polishing apparatus with rotary circular dividing table
A wafer chamfer polishing apparatus with a rotary circular dividing table, wherein the vacuum pump for pneumatically activating the wafer suction cups is mounted on an integral part of the rotary...
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5341603 |
External hone
A honing fixture includes a mounting ring 30 carrying a plurality of circumferentially spaced rollers 32. A ring gear 34 rotates about rollers 32 and carries segmented ring segments 40a and 40b for...
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5331775 |
Honing process with rough honing tool and finish honing tool on same rotating head
A two honing process eliminates the need for subsequent brush honing at another location. The honing process which is accomplished with a single head uses rough honing stones or tools for the...
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5287843 |
Slicing machine employing an axial force to provide rigidity to a rotary blade
A slicing machine for slicing an ingot using a rotary blade that maintains the inner peripheral cutting edge of the blade in a highly rigid state. The slicing machine slices the ingot into thin...
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5218948 |
Inside diameter blade
An inside diameter blade has an annular plate and a layer of abrasive grains deposited on an internal circumferential portion of the annular plate. The thickness of the internal circumferential...
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5191687 |
Process for making piezoelectric stacks
A method for making piezoelectric solid state motor stack disks. The method includes the steps of preparing a piezoelectric ceramic powder; preparing a substantially cylindrical piezoelectric...
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5174270 |
Slicing machine and a slicing method by the same
A slicing method includes slicing an ingot by a rotary blade while the inner peripheral cutting edge of the blade is kept in a highly rigid state. A slicing machine slices the ingot into thin...
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5174069 |
System for grinding rings with mechanical holding
A method of grinding an annular workpiece having an inner peripheral surface and an outer peripheral surface at least one of which is centered on a workpiece axis comprises the steps of holding the...
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5148797 |
Mounting for an internal diameter saw blade
The spindle on which the wheelhead rotates is mounted within a spindle housing which, in turn, is mounted by a bearing at one end in a pivotally mounted housing. A pair of hydraulic cylinders...
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5142756 |
Apparatus for loading and re-slicing semiconductor wafer
The present invention is directed to an apparatus for loading an unprocessed semiconductor wafer which is doped in advance with impurity diffusion layers on both sides or not doped, re-slicing the...
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5133157 |
Apparatus for sharpening cutting edges of knife blades
Apparatus for separately sharpening the two sides of cutting edges of knife blades in slaughterhouses, butcher shops and similar establishments has a housing for a ring-shaped flexible sharpening...
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5111622 |
Slicing and grinding system for a wafer slicing machine
A grinding wheel is mounted coaxially of an internal diameter saw blade and rotates with the saw blade during operation. The grinding wheel includes a grinding disc and a center rod which is...
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5095885 |
Inside grindstone and washing method thereof
In an inside grindstone and a washing method thereof, a plurality of concave cut-outs are arranged on both sides of a cutting-edge layer which is formed at an inner periphery of an annular...
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5086592 |
Grinding tool and method of using same
A grinding tool adapted to be mounted on an end of an arbor and rotated thereby about an axis in contact with a workpiece is unitarily formed with a head and a foot. The head has a frustoconical...
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5067860 |
Apparatus for removing burrs from workpieces
A method of and an apparatus for removing any burrs or other undesired defects from a workpiece having a bore therein is disclosed. Specifically, those burrs or other defects that are to be removed...
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5056265 |
Tube end abrading tool
A tool for abrading tube ends and fittings is described. The device includes an elongated handle enclosing a battery and driver. A reducer is also supplied at the top end of the handle for...
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5048238 |
Non-contact machining of spherical surface
A spherical surface of the workpiece is machined, i.e., abraded or polished, with an abrasive particle layer on a tubular jig. The tubular jig is rotatable about a first axis, and has a through...
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5044123 |
Concave-convex faceting method and apparatus
An apparatus is described for producing concave or convex optically magnified facets about a gem, each facet being a curved surface that is a section of a cylinder. It utilizes a mandrel having an...
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5042204 |
Finishing machine for trochoidal surfaces
An improvement in a finishing machine for trochoidal surfaces of a rotary engine housing. The finishing machine rotates the engine housing in a trochoidal path around a constant tool engagement...
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