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Bonachera; Richard
Vincennes, FR
No. of patents:

Patent Number Title Of Patent Date Issued
6916230 Abrasive belt and machining process associated therewith July 12, 2005
A process and device for machining by abrasive belt, on a part 1 with an axis of rotation, of a non-cylindrical bearing surface 2, two portions of the same running abrasive belt 14, which are spaced apart from each other in the longitudinal direction of the belt, using two independent su
6582284 Method of superfinishing parts with a cylindrical surface June 24, 2003
A method of superfinishing the cylindrical surface of a part which is intended to be mounted in circular guides and to be moved in translation along its axis relative to the guides places an abrasive applicator wheel so that its axis is perpendicular to the axis of the part and its later
6572459 Machine for machining in particular superfinishing, cylindrical surfaces of circular cylindrical June 3, 2003
Machine for machining using abrasive belts circular workpieces supported by at least one pair of parallel rollers.To pass the workpieces under the machining station(s) 6, the support rollers 16 driven in rotation are moved in translation parallel to their axes.The rollers 16 are preferab
6454638 Machine for grinding cylindrical bearing surfaces on parts using an abrasive belt September 24, 2002
A machine for grinding cylindrical bearing surfaces on parts, in particular journals and/or crank pins on crankshafts, using an abrasive belt, includes a support on which three abrasive belt clamping members are mounted in a triangle and mobile in directions that converge toward the
6250999 Multi-spindle lapping machine June 26, 2001
Lapping machine comprising a revolving turret (11) carrying at least several laps (13 to 17) that can be brought selectively into the machining position so that the laps can machine, in turn, one and the same cylindrical internal surface of a component.The laps comprise at least one expa
6001006 Machine for machining internal surfaces of axisymmetric workpieces using an abrasive strip December 14, 1999
A machine for machining internal surfaces of axisymmetric workpieces with an abrasive strip. The machine includes a roller for pressing the abrasive strip against a surface of the workpiece that is to be machined. The workpiece rotates about an axis, and the roller rotates about an axis
5984767 Assembly using an abrasive strip to machine a cylindrical bearing surface of a workpiece November 16, 1999
A machining assembly consisting of first and second pivotal jaws opposing each other. A clamping arrangement is provided for clamping the jaws and to apply a flexible strip of abrasive material against the machined surface. The first jaw containing a shoe element having a rigid pressure
5667425 Device for centering and clamping a component with a view to lapping it using an expansion lap September 16, 1997
Device for centering and clamping a component (1) with a view to lapping it, comprising a rest (10) for applying the component (1) against a fixed stop (3), a first piston (7) with a long stroke and a second piston (8) with a short stroke interposed between the rest (10) and the first pi

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