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超细铜线拉制过程中断线原因分析与对策

Mingmao Li,Jianhua Wang,Jing Yuan

Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys（2012）

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Abstract
通过对超细铜线拉制过程中断线断口的显微分析,找出了超细铜线拉制时断线的原因.认为断线产生的原因包括铜线坯的气孔、疏松、夹杂、表面缺陷、塑性不足以及铜线变形不均、变形力过大、工模具损耗、设备精度及平稳性等.在缺陷分析及生产实践的基础上提出了断线的解决对策.认为通过原材料优选、模具优化、润滑剂合理选择以及设备优化等措施可大大减少断线的发生,实现超细铜线的正常生产.
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Key words
Line break,Process optimization,Ultra-fine copper wire
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