System for counterbalancing tool mount loads in a machine tool

Details System for counterbalancing tool mount loads in a machine tool System for counterbalancing tool mount loads in a machine tool

1986-04-11

1987-09-29

Herrmann, Allan D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

16 1C, 744248R, 74479, 248654, 384519, 384583, 408 3, 408 88, 408235, 414719, 901 48, F16H 2524, B23B 3914, G05G 1100

Patent

active

046961976

ABSTRACT:
The invention is a system to counterbalance the static torque produced by a weight mounted to a beam member which in turn is rotatably mounted to a frame member, the beam member rotatable about the axis of rotation which is substantially aligned with the longitudinal axis of the frame member. The system comprises a support member rotatively mounted to the frame member and coupled to the beam member for simultaneously rotation about the axis of rotation. A pressurizable power actuator having a first end pivotally mounted to the frame member and a second end having an output shaft for producing an output force proportional to the pressure level within the actuator. A coupling device is included connecting the output shaft to the support member. A pressure level control system is provided for maintaining the pressure level within the actuator to produce a torque sufficient to counterbalance the torque produced by the weight.

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