Using variable blank holder force can remarkably improve the forming performance, and the limiting drawing ratio would reach 5.0.
2
文中给出的锥形件一次拉深成形极限拉深比图线和数表，可供生产实用。
The curves and data of limit drawing ratio, which can be applied in production, are given.
3
研究了变形温度、变形速度对铸轧az31镁合金板的极限拉深比(ldr)和组织的影响。
The effect of deformation temperature and deformation speed on the limit drawing ratio (LDR) and microstructure of the roll-casting AZ31 magnesium alloy sheet.
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