Ring forging apparatus for forming and enlarging large rings

Details Ring forging apparatus for forming and enlarging large rings Ring forging apparatus for forming and enlarging large rings

B - Operations, Transporting

21

J

78/35

B21J 9/12 (2006.01) B21K 1/76 (2006.01) B30B 15/00 (2006.01)

Patent

CA 1040897

ABSTRACT Apparatus is provided for enlarging metal rings using a hydraulic press having a piston and anvil including a pair of generally parallel arms adapted to fit between the piston and anvil and be acted on intermediate their ends, said arms being connected by a parallel maintaining said arms in parallel relationship, a pair of opposed work surfaces at one end of said parallel arms outside the press adapted to receive a ring to be enlarged and a compensating hydraulic cylinder between the other ends of said parallel arms acting between said ends to maintain said arms in parallel relationship with minimum pressure on said parallel linkage.

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