Data of drawing velocity that is automatically measured by precise extrusion were analyzed.
对精密挤出控制系统自动测量的牵引速度数据进行了分析。
The results show that the maximum temperature of the die has a nearly linear increase with the increase of drawing velocity or the increase of friction coefficient.
结果表明，模具最高温度随拉拔速度的增加和摩擦系数的增加都是近似线性的增加；
In addition, the decline of the temperature, the raise of the drawing velocity, the raise of the friction coefficient all could lead to the increase of the maximum stroke force.
另外，拉深温度的降低，冲压速度的增加，摩擦系数的增大都会使拉深时的最大冲程力增大。
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