Method of mold opening/closing speed control

Details Method of mold opening/closing speed control Method of mold opening/closing speed control

1987-07-31

1988-11-01

Silbaugh, Jan 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...

264 407, B29C 4580

Patent

active

047818727

ABSTRACT:
A method of mold opening/closing speed control wherein an opening/closing speed switching position for molds in a mold clamping unit in an injection molding apparatus can be taught by a control device. The control device is set in a teaching mode (101), a servo motor (M) is driven at a low speed to move (102) the molds, speed switching position P1, P2 and P3 are stored (103, 104, 205, 106, 109) by a teaching device and opening/closing speed control of the molds is performed (110, 123) by the servo motor in accordance with the stored positions.

REFERENCES:
patent: 3616495 (1971-11-01), Lemelson
patent: 3857658 (1974-12-01), Muzsnay
patent: 4195048 (1980-03-01), Jung
patent: 4409650 (1983-10-01), Noguchi
patent: 4540359 (1985-09-01), Yamazahi
patent: 4563744 (1986-01-01), Tsuboi

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