Injection molding machine using a linear motor

Details Injection molding machine using a linear motor Injection molding machine using a linear motor

2005-11-08

2005-11-08

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

Temperature control

C425S144000, C425S145000, C264S040600

Reexamination Certificate

active

06962491

ABSTRACT:
An injection molding machine using a linear motor, has a linear motor serving as a linear drive mechanism; a temperature sensor configured to detect a temperature of a coil of said linear motor or an ambient temperature thereof; an input unit configured to input a signal of the temperature detected by said temperature sensor; a data converting unit configured to convert the detected temperature signal into temperature data; a storage unit, including a temperature data setting unit configured to preset an allowable temperature, etc., configured to store temperature data converted by said data converting unit; a comparing/calculating unit configured to compare the temperature data converted by said data converting unit with a set value set in said data setting unit and make a calculation thereof; an output unit configured to output an instruction signal and display data, corresponding to a result of the calculation by said comparing/calculating unit; and a display unit configured to display the display data outputted from said comparing/calculating unit.

REFERENCES:
patent: 5620646 (1997-04-01), Sparer et al.
patent: 5689994 (1997-11-01), Nagai et al.
patent: 6682669 (2004-01-01), Bulgrin et al.
patent: 6769892 (2004-08-01), Hehl
patent: 6810298 (2004-10-01), Emoto
patent: 6813002 (2004-11-01), Ota

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