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Energy controller for vibration welder

  • US 6,588,644 B2
  • Filed: 06/14/2001
  • Issued: 07/08/2003
  • Est. Priority Date: 06/16/2000
  • Status: Expired due to Term
First Claim
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1. In a vibration welder having a movable platen driven into a vibration mode by magnets actuated from a power supply and wherein a controller is used to regulate the sequence of operations during a vibration welding operation of first and second work pieces, the improvement comprising:

  • an energy measuring device for producing an energy signal indicative of the energy imparted to the work pieces during a vibration welding thereof, wherein the energy measuring device includes a watt meter coupled to one of the magnets employed to induce vibration welding of the work-pieces to produce a signal indicative of the power delivered to said one magnet;

    an energy setpoint signal generator for pre-selecting a desired amount of energy that is to be imparted to the work pieces; and

    an energy controller responsive to the energy setpoint signal generator and the energy signal for control of the vibration welding of the work pieces.

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