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REMOTE
This figures simulated a scroll forging process under rigid-die or elastic-die assumptions to reveal the die fracture occurring at the root of wrap.
The major reason of the fracture lies in the unbalanced filling of material between the wraps. As a whole the effect of the elastic-die is negligible.
From more detailed observation, however, we can find that a little earlier fracture occurred for the elastic-die. From this figure, the width increase of the die cavity in the left side is a little greater than that of the right side, which caused the difference in fracture time.
- Fractured die
- Mesh System -
- Metal flow line -
- Effective strain
- Distribution of σyy
- Die displacement | Stress component σyy -
KSTP Autumn 2014 / KSTP Spring 2015 / KSTP Fall 2016