Inertia force balancing apparatus

Details Inertia force balancing apparatus Inertia force balancing apparatus

1987-07-29

1989-08-22

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

72249, 188380, 267 75, 267 89, 267137, 267175, B21B 2100

Patent

active

048584592

ABSTRACT:
An inertia force balancing apparatus for a machine haivng a reciprocating heavy object, such as a Pilger rolling mill provided with a heavy object stand having a pair of Pilger mill rolls and horizontally supported such as to be reciprocable and with a drive device for imparting reciprocating motion to the Pilger mill stand by a motive power converted from rotational motion, into reciprocating motion. A spring device secured at its end to the heavy object and adapted to balance the inertial force of the reciprocating motion of the heavy object. A control device is provided for changing the spring force of the spring device in accordance with the rotational speed of the rotational motion of the drive device.

REFERENCES:
patent: 3337209 (1967-08-01), Kozhevnikov et al.
patent: 3536165 (1970-10-01), Desjardins
patent: 4360087 (1982-11-01), Curwen

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