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钢丝在拉拔过程中,因受外力作用而发生塑性变形,所消耗的变形功和摩擦功,大部分转换成热能,这些热量一部分残留在拉丝模内,另一部分被钢丝带走,所产生的这些热量必然导致拉丝模和钢丝自身温度的升
During drawing process, the steel wire undergoes plastic deformation due to external force. Most of the deformation work and friction work consumed are converted into heat energy, and some of the heat remains in the drawing die and the other part is taken away by the steel wire The heat will inevitably lead to the wire drawing die and wire itself temperature rise