Device for drawing-off and straightening cylindrically shaped st

Details Device for drawing-off and straightening cylindrically shaped st Device for drawing-off and straightening cylindrically shaped st

1976-12-29

1978-05-23

Larson, Lowell A.

Metal deforming

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

With metal deformation of different type

72 79, 72285, B21C 314

Patent

active

040903818

ABSTRACT:
A device mounted on a drawbench stand, comprising a case with at least one drawing die or draw head, and stock guides arranged along the drawing-off axis on both sides of the die. Mounted intermediate of the stock guides is a stock straightening gear, including a housing accommodating at least one drive rotor whose axis coincides with the drawing-off axis. The rotor carries the case with the die set up eccentrically in bearings and non-rotatably about its axis. As the rotor rotates during the drawing-off operation, the drawing die transmits alternating bending forces to the stock, the guides acting as supports while the stock is bent.

REFERENCES:
patent: 1735871 (1929-11-01), Olson
patent: 2226400 (1940-12-01), Gaines
patent: 2487141 (1949-11-01), Kehl

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