Shearing tube stock

Details Shearing tube stock Shearing tube stock

1975-04-08

1977-01-18

Vlachos, Leonidas

Cutting

By means to misalign aligned apertured tools

Rotary relative movement solely about a single pivot

82 54, 82 58, B26D 100

Patent

active

040032795

ABSTRACT:
A method of orbital shearing of elongated stock such as tube stock comprises passing the stock through aligned dies, then causing relative lateral displacement, arcuate or linear, between the axes of dies, and causing a relative orbital movement between one die and the stock held in the other die. The lateral movement causes partial shearing, which is propagated around the stock by the orbital movement. One die may be fixed, while the other performs both the lateral and then the orbital movement. The stock may be rotated, in which case the moving die only has to move laterally to achieve the orbital movement as well.

REFERENCES:
patent: 480461 (1892-08-01), Gilmore
patent: 1635807 (1927-07-01), Amberg
patent: 1657295 (1928-01-01), Bark et al.
patent: 2038255 (1936-04-01), Worthington
patent: 3025738 (1962-03-01), Winkler et al.
patent: 3494233 (1970-02-01), Kojima

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