Rolling mandrel changing device for a plug mill

Details Rolling mandrel changing device for a plug mill Rolling mandrel changing device for a plug mill

1995-08-18

1996-12-17

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With tool inside hollow work

72236, B21B 2506

Patent

active

055842038

ABSTRACT:
A device for changing the rolling mandrels of a plug mill. The device including the following arrangement of stations in series. An entry station for feeding the rolling mandrels into the feeding channel of the plug mill, a run-out station for the used rolling mandrels after rolling, and a transfer device for guiding the mandrels into a cooling station. The cooling station undertakes controlled cooling of the rolling mandrels, preferably by a water/air mixture. At the same time, devices remove the scale by joint application of water and mechanical aids. Finally, a drying station dries the cooling water from the surface of the rolling mandrels.

REFERENCES:
patent: 3955392 (1976-05-01), Prevot

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