结合冷挤压与拉深工艺的特点，以双杯形工件为对象，开展了冲锻成形过程的强力拉深增厚工艺研究。
A powerful drawing-thickening technology was prompted for double-cup-shaped workpieces, it combined the characteristics of cold extrusion with drawing process.
此外，拉深速度和冲头温度对AZ31镁合金的拉深成形也有重要影响。
Further, deep drawing speeds and punch temperatures during deep drawing process can also exert significant influence on the deep drawing of AZ31 magnesium alloy.
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