Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1983-10-28
1985-05-28
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51 67, 51103R, 51236, 51237R, B24B 100
Patent
active
045191700
ABSTRACT:
A workpiece having a generally cylindrical outer surface centered on an axis is machined by first closing a pair of journal halves having generally semicylindrical inner surfaces of slightly greater diameter than the outer workpiece surface around the workpiece. Then a fluid is pumped under superatmospheric pressure into the space between the journal inner surface and the workpiece outer surface so as to support the workpiece in the journal halves on the liquid generally out of contact with the inner surfaces thereof. The thus supported workpiece is rotated about its axis and a finishing tool is engaged radially against it. The average radial distance between the journal inner surface and workpiece outer surface when the journal halves are closed on the workpiece is equal to more than the sum of the radial deviations of these surfaces from a perfect cylinder. The workpiece is rotated by axially engaging it between a pair of rotatable elements and rotating at least one of the elements.
REFERENCES:
patent: 2354296 (1944-07-01), Arms
Dubno Herbert
Ernst Thielenhaus KG
Ross Karl F.
Schmidt Frederick R.
Zatarga J. T.
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