Injection molding machine system

Details Injection molding machine system Injection molding machine system

2006-04-18

2006-04-18

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

C425S162000, C425S595000

Reexamination Certificate

active

07029258

ABSTRACT:
A hybrid power supply type injection molding machine system has a motor-driven injection molding machine body including an injection mechanism and a mold clamping mechanism that are driven by servo-motors; a control device giving a command to said servo-motors to drive said injection mechanism and said mold clamping mechanism in accordance with predetermined program commands; and an electric power supply device for supplying said motor-driven injection molding machine body with the electric power required for operating said motor-driven injection molding machine body, said electric power supply device including: a first electric power supply unit for supplying the electric power from a commercial power source; a second electric power supply unit having an electric power accumulation unit dedicated to said motor-driven injection molding machine; an electric power comparator for comparing outputs of said first and second electric power supply units; and a switching device for switching over a supply of the electric power given to said second electric power supply unit from said first electric power supply unit in response to a result of the comparison by said electric power comparator under predetermined conditions.

REFERENCES:
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patent: WO 02/061917 (2002-08-01), None

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