Preparation of annular blanks from tube stock

Details Preparation of annular blanks from tube stock Preparation of annular blanks from tube stock

1977-06-15

1978-11-21

Hinson, Harrison L.

Turning

Process of turning

82 47, 82 92, 82 2R, 72 70, 291484R, B23B 300, B23B 100, B23B 304, B21B 1320

Patent

active

041260643

ABSTRACT:
A method and machine for preparing an annular workpiece from tube stock, using a part-off rolling tool. The rolling tool is advanced radially of the tube stock to a depth approximately equal to the desired bore diameter of the workpiece so as to partially sever a length from the tube stock. The inside of the length is then machined to the desired bore diameter. The machining either causes the length to be fully severed from the rest of the tube stock or leaves it connected thereto by a thin annular band. In the latter case the rolling tool is then advanced further to fully sever the length from the rest of the tube stock.

REFERENCES:
patent: 2070582 (1937-02-01), Bannerman
patent: 3470775 (1969-10-01), Marocovich
patent: 3563119 (1971-02-01), Shashaty
patent: 3927450 (1975-12-01), Sommer et al.

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