Dynamic balancing device for press

Details Dynamic balancing device for press Dynamic balancing device for press

1985-09-10

1989-01-31

Smith, Gary L.

Machine element or mechanism

Elements

Cranks and wrist pins

74590, B30B 500

Patent

active

048007773

ABSTRACT:
A dynamic balancing device for a press is provided for balancing the inertia forces generated by the reciprocating parts of the press using balancing weights. A connecting rod is mounted around the crank of the drive shaft and has one end pivotally connected to the slide and the other end pivotally connected to a link. The link is connected to a pair of levers extending in opposite directions. The levers are used to move a respective pair of balancing weights 17 in opposite directions to the direction of movement of the reciprocating members of the press. The balancing weights are guided by guide pins 18 received in bores extending through the balancing weights.

REFERENCES:
patent: 3422688 (1969-01-01), Bruderer
patent: 3528319 (1970-09-01), Ishida
patent: 3695090 (1972-10-01), Kita
patent: 3772986 (1973-11-01), Kawagoshi et al.
patent: 3808912 (1974-05-01), Voorhees et al.
patent: 3896693 (1975-07-01), Johansson
patent: 4156387 (1979-05-01), Portmann
patent: 4160409 (1979-07-01), Portmann
patent: 4276823 (1981-07-01), Rotzler
patent: 4376410 (1983-03-01), Wissman et al.
patent: 4397232 (1983-08-01), Schockman et al.
patent: 4603573 (1986-08-01), Ganago et al.
patent: 4607732 (1986-08-01), Ikeoka et al.

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