Method and apparatus for maintaining a constant contact pressure

Details Method and apparatus for maintaining a constant contact pressure Method and apparatus for maintaining a constant contact pressure

1990-08-21

1992-05-05

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Positioning of a mold part to form a cavity or controlling...

264142, 425 67, 425142, 425311, B28B 1116

Patent

active

051105233

ABSTRACT:
The method for maintaining a constant, predetermined contact pressure on elements for cutting under water in granulator machines or applying to the blades of the cutters a force in the opposite direction to a hydrodynamic thrust force, and the apparatus adapted to utilize a control of a constant pressure by actuator means for applying axial thrusts to the drive shaft carriage and the cutters within a slidable bushing and detecting the hydrodynamic thrust force acting on the cutters and regulating the force supplied to the actuators.

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