Method and apparatus for feeding rod-like workpieces in a severi

Details Method and apparatus for feeding rod-like workpieces in a severi Method and apparatus for feeding rod-like workpieces in a severi

1979-03-09

1981-02-24

Yost, Frank T.

Cutting

Processes

Plural cutting steps

83153, 83277, 83282, B26D 702, B26D 706

Patent

active

042520401

ABSTRACT:
A method of advancing rod-shaped workpieces in a feed direction in a severing machine which includes a cutting blade defining a cutting plane, openable and closable clamping jaws and openable and closable feed jaws which are displaceable in the feed direction. The method comprises the following cyclically repetitive steps: displacing the feed jaws against the feed direction from the downstream side of the cutting plane through the cutting plane to the upstream side thereof; grasping a workpiece, situated between the clamping jaws, at a location between the cutting plane and the clamping jaws; opening the clamping jaws for allowing free passage of the workpiece; pulling the workpiece by the feed jaws in the feed direction relative to the clamping jaws through the cutting plane through a distance which corresponds to the workpiece length to be severed. Upon completion of the pulling step the feed jaws are located in their entirety downstream of the cutting plane. Then the clamping jaws are closed and the workpiece is severed in the cutting plane.

REFERENCES:
patent: 3182538 (1965-05-01), Whitmore et al.
patent: 3496811 (1970-02-01), Flanagan et al.
patent: 3707103 (1972-12-01), Tishken
patent: 3945282 (1976-03-01), Aizawa
patent: 4080858 (1978-03-01), Stolzer
patent: 4175688 (1979-11-01), Scribner

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