metal stamping press load sensing

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    Metal Stamping PressLoad Sensing and Control

    Matt De Kam

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    Objective

    Sense and control the load of a metal

    stamping press.What factors contribute to loading?

    What methods can be used to sense the load?

    How can this information be integrated into the control

    system?

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    The Press

    60 ton capacity

    ni!ue Dri"e #rain

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    Contributing Factors

    Wor$ing metal properties

    %utting clearance #ool sharpness

    %utting shear

    &am "elocity

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    Load Sensing Methods

    Strain 'auges

    (oad %ells )ie*oelectric

    #ransducers

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    Control System Options

    Digital &eadout

    (oad (imit Switch S)% #rac$ing

    +ariable +elocity Ser"o )ress

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    Still Working on the Transer Function

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    Simulations

    #ypical (oad Signal

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    Simulations

    (oad limit switch

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    Simulations

    +ariable "elocity ser"o press

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    Simulations

    +ariable "elocity ser"o press

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    !uestions"