高强度钢内螺纹冷挤压强化研究-中国数控机床网-中国最大的机床门户网站 关键词： 高强度钢；内螺纹；冷挤压；残余应力[gap=816]Key words ： high strength steel；internal thread；cold form tapping；residual stress
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Cold form tapping process is an effective method to enhance fatigue strength of internal thread.
内螺纹冷挤压成形是提高内螺纹疲劳强度的有效方法。
This paper described the characteristics of cold form tapping of 300m steel internal threads, analyzed its mechanism and studied through experiments the torque variation during cold form tapping.
本文介绍了300 M钢内螺纹冷挤压成形特点，分析了冷挤压加工机理，并对冷挤压加工过程中扭矩变化规律进行了实验研究。
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