Method of manufacturing hollow shaft and mandrel for holding cyl

Details Method of manufacturing hollow shaft and mandrel for holding cyl Method of manufacturing hollow shaft and mandrel for holding cyl

1998-06-11

2000-05-16

Tsai, Henry W. H.

Turning

Process of turning

82 47, 82162, 82168, B23B 100, B23B 3102

Patent

active

060621168

ABSTRACT:
A hollow shaft is manufactured by defining a through hole axially in a shaft blank to produce a cylindrical hollow shaft blank, inserting a mandrel in the through hole of the hollow shaft blank, holding opposite ends of the mandrel concentrically with the through hole, and rotating the hollow shaft blank about its own axis while cutting an outer circumferential surface of at least one end of the hollow shaft blank concentrically with the through hole to form a reference outer circumferential surface on the at least one end of the hollow shaft blank. After the reference outer circumferential surface is formed, it is held in position, and the hollow shaft blank is rotated about its own axis while cutting a predetermined thickness of an outer circumferential surface of the hollow shaft blank over a substantially entire length thereof for thereby finishing the hollow shaft blank into a hollow shaft.

REFERENCES:
patent: 4387906 (1983-06-01), Nicolin
patent: 4828198 (1989-05-01), Kann et al.
patent: 5397135 (1995-03-01), Smith

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