Workpiece-bore processing apparatus and method

Details Workpiece-bore processing apparatus and method Workpiece-bore processing apparatus and method

1994-09-30

1996-06-11

Hughes, S. Thomas

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

29 9001, 2989802, 2989813, 72 75, 723546, B21C 3100, B21D 5310

Patent

active

055244645

ABSTRACT:
A plurality of processing balls with different outer diameters are prepared at a slidable or rotatable upper stage. One ball, selected from the plurality of prepared balls in correspondence with the inner diameter of a bore of a workpiece, is inserted through the bore while being pressed by a pin.

REFERENCES:
patent: 5247819 (1993-09-01), Morimoto et al.
patent: 5339523 (1994-08-01), Hasegawa

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