文章摘要
细晶T2紫铜微小齿轮体积微成形研究
Micro Massive Forming of Micro Gear with Fine-grained T2 Copper
Received:January 20, 2016  Revised:May 10, 2016
DOI：10.3969/j.issn.1674-6457.2016.03.007
中文关键词: 体积微成形  等径角挤压  细晶T2紫铜  微齿轮
英文关键词: micro massive forming  equal channel angular pressing  fine-grained T2 copper  micro gear
基金项目:
Author NameAffiliation
WANG Xiao-quan Key Laboratory of Advanced Manufacturing Technology for Mold and Die， Shenzhen University，Shenzhen 518060， China 
ZHANG Shun Key Laboratory of Advanced Manufacturing Technology for Mold and Die， Shenzhen University，Shenzhen 518060， China 
LIAN Gui-hao Key Laboratory of Advanced Manufacturing Technology for Mold and Die， Shenzhen University，Shenzhen 518060， China 
GONG Feng Key Laboratory of Advanced Manufacturing Technology for Mold and Die， Shenzhen University，Shenzhen 518060， China 
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中文摘要:
      目的 提高体积微成形件的成形质量。方法 利用等径角挤压工艺， 沿BC路径对T2紫铜试样进行了8个道次的挤压， 获得了延伸率高达56.7%的细晶材料。选择DEFORM软件对微小齿轮的成形过程进行了有限元分析， 得到了合适的成形工艺参数。结果 利用不同组织的材料， 成形出了最小模数为0.1 mm， 分度圆直径为1 mm的微小齿轮件。结论 实验结果表明， 与常规多晶材料相比， 细晶材料成形的微小齿轮的尺寸精度有了较大提高。
英文摘要:
      To increase the forming property of micro massive forming parts，fine-grained T2 copper with an elongation of 56.7% was fabricated by using equal channel angular pressing， and the samples were extruded for 8 passes in BC path. The forming process of the micro gear was simulated by using the DEFORM software， and the proper forming parameters were obtained. Micro gears with a minimum modulus of 0.1 mm， and pitch circle diameter of 1 mm were well formed with different materials. The results show that the filling quality and dimensional accuracy was increased by using fine-grained material compared with conventional polycrystalline material.
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