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Monitoring device for an injection molding machine

  • US 20040166188A1
  • Filed: 02/24/2004
  • Published: 08/26/2004
  • Est. Priority Date: 02/24/2003
  • Status: Active Grant
First Claim
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1. A monitoring device for an injection molding machine in which a metering process is performed by retraction of a screw by rotating the screw to knead resin in an injection cylinder while controlling temperature of the injection cylinder heated by a heater to be a set temperature, said monitoring device comprising:

  • detecting means for detecting a rate of heat generation per unit time by the heater in the metering process;

    storing means for storing the rate of heat generation by the heater with elapsing time in the metering process; and

    display means for displaying the stored rate of heat generation by the heater with the elapsing time in the metering process in a form of a graph.

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