The initial technology consisted of two operations and a one-piece top die was used for the second operation. In this example the top die suffered from short die life and the die failed after only 400 forged parts.
In the simulation results below you can see the high strain and effective strain that cause the short die life. QForm also allows the user to add their own user defined functions (UDF) to investigate problems such as this. In this example the danger zone in the tool has been confirming of by means of Cockcroft & Latham criteria.
The tools that allow maximization of die life and accurate calculation of loads required for forming. Simulation can show tool information including distortion due to forming load, radial and axial displacement, load, effective stress and strain, mean stress, radial stress and strain, axial stress and strain, hoop stress and strain, shearing stress and strain, volumetric strain and die wear factor.
They can experiment with the following:
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