Workpiece carrier

Details Workpiece carrier Workpiece carrier

B - Operations, Transporting

25

B

269/1

B25B 11/00 (2006.01) B23Q 1/03 (2006.01) B23Q 1/34 (2006.01) G11B 5/187 (2006.01) G11B 5/31 (2006.01)

Patent

CA 1210415

ABSTRACT OF THE DISCLOSURE A workpiece carrier has a support bar centrally supported at one end of a stem portion. The stem is carried at its opposite end on a base. Columns are interposed between the ends of the support bar and the base. Heat is applied to the columns, preferably by resistive heating elements, to heat them and cause their thermal expansion, causing the support bar ends to be bent away from the base. A relatively flexible workpiece which has been bonded to the support arms on a surface facing away from the base will undergo the same bend. This carrier has use in machining operations where the tool has a flat grinding or lapping surface against which the workpiece is held, and one wishes to increase the amount of material removed from the workpice towards one or both of its ends, relative to the remainder of the workpiece.

432983

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