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。
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.
ATMD冲程的评价准则定义为：atmd的最大动力放大系数。
The criterion used to assess the ATMD stroke is the maximum DMF of the ATMD.
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