Secondary working apparatus

Details Secondary working apparatus Secondary working apparatus

1982-05-19

1984-09-25

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

72125, B21H 500

Patent

active

044729570

ABSTRACT:
A secondary working apparatus for secondarily machining a blank preliminarily formed with internal serrations, splines or teeth on a cylindrical plane, comprising a stationary housing structure; a chuck for supporting the blank with the center axis of the cylindrical plane fixed with respect to the housing structure; at least one shaft rotatable with respect to the housing structure about an axis substantially parallel with the center axis of the above mentioned cylindrical plane, the shaft having a cylindrical eccentric axial portion having a center axis offset from the axis of rotation of the shaft; and at least one generally cylindrical machining tool coaxially carried on the eccentric axial portion of the shaft and formed with a plurality of external serrations, the machining tool having a center axis substantially coincident with the center axis of the eccentric axial portion of the shaft.

REFERENCES:
patent: 1740792 (1929-12-01), Strachauer et al.
patent: 2556742 (1951-06-01), Strickland
patent: 3735618 (1973-05-01), Zook
patent: 3803896 (1974-04-01), Cermak et al.

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