Electric injection molding machine

Details Electric injection molding machine Electric injection molding machine

2005-06-07

2005-06-07

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Article ejector or stripper control

C425S145000, C425S150000

Reexamination Certificate

active

06902386

ABSTRACT:
An electric servo motor is controlled through a pressure control loop wherein a control object is the injection mechanism of an electric injection molding machine. A band elimination filter, which attenuates a frequency component of a band with predetermined width to be determined based on the resonance frequency of the control object, is provided in the pressure control loop.

REFERENCES:
patent: 6179600 (2001-01-01), Siegrist et al.
patent: 1297924 (1969-06-01), None
patent: 1132790 (2001-09-01), None
patent: 4-369520 (1992-12-01), None
patent: 2001-047480 (1999-08-01), None
patent: 2001-239564 (2000-03-01), None

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