Hot forging machine having die preheating unit

Details Hot forging machine having die preheating unit Hot forging machine having die preheating unit

1977-05-02

1978-05-09

Larson, Lowell A.

Metal deforming

With temperature modification of tool or of specified...

Cooling

72446, B21J 900

Patent

active

040880001

ABSTRACT:
A hot forging machine having die preheating unit thereby allowing the die to be heated at a required temperature while the forging machine is in operation. The apparatus comprises a forging machine having a moving bolster, a pair of main rails extending from said forging machine, two pairs of first and second branch rails provided perpendicular to said main rails, a heating unit for the die provided at one end of said first branch rails, and a pattern change unit for changing and/or repairing the die provided at one end of said second branch rails, the moving bolster of said forging machine being adapted to run on said respective rails.

REFERENCES:
patent: 2543498 (1951-02-01), Japikse
patent: 3002479 (1961-10-01), Johansen et al.
patent: 3427855 (1969-02-01), Michelson
patent: 3698219 (1972-10-01), Moore et al.
patent: 3841141 (1974-10-01), Rachwal

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