Mold-clamping control method for injection molding machine

Details Mold-clamping control method for injection molding machine Mold-clamping control method for injection molding machine

2006-10-31

2006-10-31

Heitbrink, Jill L. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

C264S040500, C264S328100, C425S137000, C425S150000, C425S589000

Reexamination Certificate

active

07128855

ABSTRACT:
A mold-clamping control method for an injection molding machine includes the steps of detecting a value of a monitor item in a monitor region predetermined in relation to a mold closing operation during the course of a mold clamping step; differentiating the detected value in order to obtain a differential detection value; and performing emergency processing when the differential detection value exceeds a threshold value. The monitor item may be torque or velocity of a servomotor for performing a mold closing operation.

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