Technical Paper
Optimal Designs of Automotive Stamping Dies via Integrated Forming Simulations and Die Structural Analysis
2007-04-16
2007-01-1679
In the past few years, GM manufacturing is streamlining its efforts to win total manufacturability in stamping process. One of the major efforts is optimizing the stamping die structures to reduce the construction and operating costs. Traditionally the automotive dies are designed with high safety margin based on empirical-rules for forming tonnage estimation that is often conservative. After a huge success in predicting formability performance of line dies in forming simulations, the predicted forming forces from the formability analysis can be a good basis for die structure design to optimize the weight and structure for press line throughput improvements. The forming simulation and die structural analysis were integrated to achieve the objective of world-class solid die design.