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WO/1996/009138A1 |
The invention relates to a process for ductile high-speed abrasion and a device for implementing it. The invention is characterised in that a monolithic abrasion tool in a plain bearing can be produced as a one-piece or one-piece-assembl...
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WO/1996/009137A1 |
A grinding machine comprising a rotating grinding wheel (12) and moving means (36) operable to move a workpiece towards and away from the wheel. The moving means is arranged to move a workpiece support (14) arcuately about an axis (B) to...
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WO/1996/003255A1 |
In a method of and apparatus for grinding a cylindrical workpiece, the speed of the grinding wheel (14) and/or of the workpiece (18) is changed during the final dwell period in which sizing occurs, and the following additional steps are ...
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WO/1996/002355A1 |
A wafer polishing apparatus (100) includes a wafer polishing assembly (132) having a plurality of wafer carriers (139-143) for substantially simultaneously polishing a plurality of wafers against a rotating polishing surface (134). A plu...
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WO/1996/002356A1 |
A device is disclosed for carrying out a process for detecting thermal overstresses of a workpiece during grinding, i.e. overheating during grinding, by means of a grinding device with a grinding spindle and a driving engine. Means (66, ...
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WO/1995/035187A1 |
When a variation (c) of load current supplied to a grinder is not more than a predetermined threshold value, a depth of cut, by which the grinder cuts into a work (a), is controlled according to the load current, and when a variation (c)...
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WO/1995/035186A1 |
A contoured gas turbine blade (25) has tapered outer surfaces (28) projecting from a base (40) which is secured to a work holder (70) mounted on a rotary table (64). This table is supported by an X-Y cross slide (42), and separate steppi...
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WO/1995/029791A1 |
A microfinishing machine particularly adapted for microfinishing external cylindrical surfaces such as found on an internal combustion engine crankshaft bearing journal. The machine includes a microfinishing tool assembly (10) which pres...
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WO/1995/021728A1 |
A microfinishing arm assembly (10) for reducing taper on selected bearing journal surfaces (14) of various workpieces rotated about a longitudinal axis, including a primary finishing arm (22) and a taper correction device (16) for applyi...
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WO/1995/019241A1 |
In a grinding machine for cylindrical workpieces in which the workpiece (18) is rotated against a rotating grinding wheel (14), means (22) is provided for changing the speed of rotation of the workpiece and/or of the grinding wheel durin...
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WO/1995/009714A1 |
The surface of a workpiece is polished by passing a computer numerically controlled rotating flexible abrasive flap wheel across the surface of the workpiece, continuously measuring the diameter of the flap wheel which decreases due to w...
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WO/1995/003915A1 |
In a machine tool a reference straight-edge is mounted on the worktable of the machine tool and the position of the worktable and therefore the workpiece along the x-axis of the machine is determined by reference to the straight edge; a ...
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WO/1995/003913A1 |
A machining location for machining workpieces, comprising: a machine tool; an enclosure for said machine tool that encloses the entire machine tool within a predetermined space; workpiece storage within said predetermined space for stori...
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WO/1995/003914A1 |
A machine tool comprising: a machine frame; a work carrying assembly for carrying a workpiece, carried by said machine frame for reciprocal movement along a work axis; and a cover assembly carried by said machine frame and including cove...
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WO/1995/003917A1 |
A grinding machine provided with a spindle (5) rotating under the influence of a cantilever mounted rare earth permanent magnet motor (40). Hydrostatic fluid film bearings (41, 42) are provided between the ends of the spindle (5) and a b...
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WO/1995/003912A1 |
A machine tool comprising a bed, a worktable movable relative to the bed along a linear path and a tool movable to engage a workpiece on the worktable wherein drive means for effecting the movement of the worktable relative to the bed an...
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WO/1995/003916A1 |
A machine tool, comprising: a worktable assembly slidably carried by the machine frame for reciprocal movement along a work axis and which is configured to carry a workpiece. A worktool assembly is slidably carried by said machine frame ...
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WO/1995/003920A1 |
A machine tool, typically a CNC cylindrical grinding machine comprising a bed; a worktable movable relative to the bed along a linear path; a tool head such as a wheelhead movable in a direction generally perpendicular to the direction o...
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WO/1995/003921A1 |
A CNC cylindrical grinding machine comprising a bed, a worktable movable relative to the bed along a linear path, wheelhead movable in a direction generally perpendicular to the direction of worktable travel, a rotatable grinding wheel m...
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WO/1995/000890A1 |
The operation path of a robot is determined by the position data which represent teaching points, and the amounts of shift from the teaching points. The data in a teaching program for determining the operation path of the robot are group...
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WO/1994/029776A1 |
In a process of moving the tip of a deburring tool from a point P1 to a point P2 on a work, if the deburring tool encounters a large burr, the cutting resistance increases abruptly near a point P'1. When the resistance exceeds a predeter...
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WO/1994/029775A1 |
An off-line teaching method which prepares off-line original teaching data associated with a working line of an object of robot operation, and executes arc insertion processing for the original teaching data associated with a bent portio...
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WO/1994/027783A1 |
A process is disclosed for recognising thermal overstressing of a workpiece during grinding (overheating) by means of a grinding arrangement with a grinding spindle and a driving machine. The speed of rotation of the grinding spindle is ...
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WO/1994/007110A1 |
In a process of selectively removing material from an exposed layer carried by a substrate, a technique for determining endpoint by monitoring the intensity of a radiation beam that is passed through the substrate and any intervening lay...
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WO/1994/002287A1 |
A method for removing a predetermined amount of material from the inner surface (16, 18, 20, 22) of a circular article (10) which deviates from a true circular configuration. The outer surface (32) of the article (10) is touch probed to ...
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WO/1993/025347A1 |
A wafer polishing apparatus (100) includes a wafer polishing assembly (132) having a plurality of wafer carriers (139-143) for substantially simultaneously polishing a plurality of wafers against a rotating polishing surface (134). A plu...
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WO/1993/024273A1 |
A device for machining the edge of spectacle lenses has at least one tool which can engage the circumferential edge of a spectacle lens and which is arranged on a tool holder; a clamping unit for the spectacle lens which rotates the spec...
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WO/1993/018888A1 |
To grind linings (2) of a lined drum (1) while it is running, a slider (9) is moved to and fro over the linings. According to the invention, the slider is moved to and fro by the inside slot (17) of a driving belt, the driving belt being...
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WO/1993/009397A1 |
An apparatus for measuring and recording the angular position of the edges of axially extending grooves (18) disposed on an inside cylindrical bore surface or outside cylindrical surface of a workpiece (10) characterized in that the appa...
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WO/1992/014580A1 |
A machine for regrinding grooves of a constant velocity universal joint workpiece (91) is disclosed. This machine preferably contains a chuck mechanism (33) for holding the various workpieces of the constant velocity universal joint, an ...
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WO/1992/004663A1 |
Sensors (11, 14, 16) arranged on the jig grinding machine (1-3, 6, 10) generate signals that are processed, partially displayed or transmitted to the CNC-control (21) by a central controlling and displaying device (18). Sensors (14) arra...
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WO/1992/002328A1 |
A process of forming the longitudinally curved teeth of bevel and hypoid gears is disclosed. A dish-shaped tool (2) is oscillated relative to a work gear (12) with the oscillating causing the dish-shaped tool (2) to swing through an arc ...
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WO/1992/002334A1 |
A mobile floor grinding vehicle for grinding a floor to a predetermined level and provided with one or more grinding heads which can be continuously adjusted as the vehicle is moved over a floor to maintain the grinding surface of the he...
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WO/1991/020020A1 |
A coordinate positioning machine (20) is equipped with either an optical probe or a contact measuring probe (40). Movement of the head (22) of the machine to enable the probe (40) to scan an unknown surface is controlled by predicting th...
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WO/1991/014535A1 |
A process for machining rolls and similar work pieces, especially for grinding the roll surface to a desired shape which process is characterized by continuously mesuring the distance between the part of the work piece (1) which is subje...
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WO/1991/012111A1 |
A grinding machine is particularly adapted to produce blades and buckets of the kind used in turbines and other objects having complex curved surfaces. Data blocks representing the surface of the object to be created are stored in a comp...
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WO/1991/012110A1 |
In the process of internally grinding bores with the aid of a slightly conical grinding wheel (15) in a computer controlled manner, the rotational axis (14) of the grinding wheel is adjusted to a small angle (alpha) in relation to the ro...
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WO/1991/009706A1 |
This invention relates to a machining table of a grinding machine equipped with a work table (9) moving in the X-axis direction and the Y-axis direction. The machining table is constituted of the X-axis and Y-axis defined on the upper su...
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WO/1990/008012A1 |
An apparatus and method of measuring and correcting the profile (W) of a railroad track rail (20). A strobe light (50) oriented directly over a railroad track rail (20) and at a 45° angle to the horizontal, projects a light line (66) ac...
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WO/1990/002630A1 |
A method and system (11, 12) for generating a lens by grinding a lens blank (101) with a tool in a working position calls for a diamond tool (18) to be disposed only angularly, the lens being moved in an X, Y relationship so that the rel...
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WO/1990/002023A1 |
A method and apparatus for surfacing the face of a clutch flywheel or other friction disk (12) achieves a surface pattern (31, 31a) which promotes proper wearing-in of the flywheel or disk (12) and of a friction disk or pad which engages...
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WO/1989/009679A1 |
A beam (11) is arranged generally vertically on the upper end of a radially-rotatable pillar support (3) in such a way that it can pivot around its generally central part. A tool spindle (15) is mounted axially, in a non-adjustable posit...
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WO/1989/005711A1 |
In a process for dressing a grinding wheel (12), a dressing roller (40) is moved along a rough surface (30, 31) of the grinding wheel (12) by a numerically-controlled multicoordinate moving unit (46, 47), thereby producing a predetermine...
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WO/1989/003511A1 |
Apparatus comprising a frame (1) and two slides (3, 7, 42; 4, 8, 42'), parallel and arranged side by side, each of which operated by a relevant motor (36, 36'). Coupled to each slide are a linear transducer (72; 72'), that detects the sl...
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WO/1989/002343A1 |
The present invention relates to an automatic measurement system and the method of employing the system with a cutting tool device. The measurement system includes a tool holder (14) for mounting a cutting tool (16). A measurement probe ...
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WO/1989/000902A2 |
A chip-removing tool has a cutting element (2) which machines metal and is therefore prone to wear, and a support (4) for the cutting element. Arranged between the cutting element (2) and the cutting element support (4) is a layer of a s...
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WO/1988/006952A1 |
A grinding assembly (260) for grinding an object such as a printed circuit board coupon (266) at a predetermined angle and to a predetermined grinding depth, including a control board (264) carrying a grinding guide (262) having at least...
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WO/1988/004977A1 |
A guide (180) for the grinding of a surface of an object (182) having a region (218) to be exposed, including at least two conductive leads (214, 216) and a conductive control track (206). Each conductive lead is associated with a differ...
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WO/1988/003866A1 |
A combination force variation tire grinding and tire balancing machine in which a tire and wheel assembly (TA) is mounted on a single shaft (40) and the tire and wheel assembly is corrected by first force variation grinding thereof and t...
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WO/1988/003460A1 |
In a workpiece deep grinding process, the profile of the surface to be ground is determined with respect to a measurement basis before the grinding. The measurement values are stored in a computer. The grinding is effected according to t...
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