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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"
