Method for controlling injection molding machine

Details Method for controlling injection molding machine Method for controlling injection molding machine

1985-07-09

1989-04-11

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 405, 26432811, 425149, 425150, 425451, 4254512, B29C 4504, B29C 4508, B29C 4528

Patent

active

048204641

ABSTRACT:
In a nozzle pressing and contacting process, a mold clamping process, and an injection process in an injection molding operation, a movable side, such as constituting a nozzle portion or screw of an injection apparatus, or a movable mold of a molding apparatus, is moved towards and contacted with a stationary side, such as constituting a mold or molding machine, or a stationary mold under a speed controlled condition. When the movable side approaches the stationary side, the pressure acting on the stationary side is measured and when the measured pressure reaches a predetermined set pressure, the speed control is switched to a pressure control to accurately and smoothly bring the movable side into contact with the stationary side.

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patent: 4599063 (1986-07-01), Gutjahr
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patent: 4632652 (1986-12-01), Farrell

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