Wobble-die forging machine

Details Wobble-die forging machine Wobble-die forging machine

1985-03-22

1987-10-13

Larson, Lowell A.

Metal deforming

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

72406, B21J 918

Patent

active

046989927

ABSTRACT:
In the upper part of the wobble-die forging machine, a guide spigot of the bell-shaped upper die mounting engages, for the production of circular rocking movements, by way of self-aligning roller bearing means into a first eccentric sleeve, which is rotationally guided by way of further bearing means in a second eccentric sleeve supported by way of bearing means at the machine frame. In this case, the first eccentric sleeve stands in driving connection by way of coupling means with the shaft of a first motor and the second eccentric sleeve stands in driving connection by way of cogwheel means with the shaft of a second motor, wherein the one and/or the other of the motors is or are regulable in respect of rotational speed and rotational direction through a common control equipment. Thereby, an arrangement is attained, the build-up and thereby the expenditure of which is substantially smaller compared with the state of the art and which requires less constructional volume and permits a desired regulation of rotational speed and rotational direction of the eccentric sleeves.

REFERENCES:
patent: 2756573 (1956-07-01), Colby et al.
patent: 3735617 (1973-05-01), Bretschneider
patent: 4121438 (1978-10-01), McCullough
Metallurgia and Metal Forming, Jun. 1977, "Orbital Forging", by John R. Maicki.

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