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PRESS-WORKING APPARATUS AND RELATED METHOD

  • US 20190322065A1
  • Filed: 11/24/2017
  • Published: 10/24/2019
  • Est. Priority Date: 12/01/2016
  • Status: Active Grant
First Claim
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1. A method of operating a press-working apparatus with a press-working monitoring device and one or more displacement sensors including a first displacement sensor comprising a first primary attachment part mounted on a first part of the press-working apparatus, a first secondary attachment part mounted on a second part of the press-working apparatus, and a first sensing part, the first sensing part being arranged between the first primary attachment part and the first secondary attachment part, wherein the first displacement sensor is configured to provide a first output signal indicative of deformation of the first sensing part, wherein the method comprises:

  • obtaining the first output signal from the first displacement sensor while moving the first part and the second part along a main axis in relation to each other, thereby deforming the first displacement sensor;

    determining if an error criterion based on the first output signal from the first displacement sensor has been met; and

    providing a control signal indicative of an error to the press-working apparatus if the error criterion is met.

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