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Principles of Press Force or Tonnage Monitors Calculating the tonnage or force required for a pressworking operation can be done by careful analysis of the material properties and sequence of work done in the die. This is normally done by the die designer or tooling engineer in order to specify the correct press for the job. However, the tool engineer is not the person who is going to set up and operate the press. Changes in material properties, tooling wear and errors in engineering calculations can all cause the actual force requirements to vary greatly from calculated values. Download the Copyrighted PDF document 303 KB
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