tp2铜管弯曲工艺研究

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1、沈阳理工大学硕士学位论文3.4本章小结..................................................................................................27第4章TP2铜管绕弯有限元模拟研究.................................................................284.1引言...............................................................

2、...........................................284.2铜管绕弯成形原理...................................................................................284.3TP2铜管绕弯有限元模型........................................................................294.3.1几何模型................................

3、.............................................................294.3.2材料模型.............................................................................................304.3.3单元类型与网格划分..........................................................................314.3.4接触条件与摩擦模型

4、..........................................................................324.4模拟研究方案..........................................................................................334.4.1芯棒伸出量公式计算..........................................................................344.4.

5、2工艺因素与模拟方案..........................................................................354.5应力场分析..............................................................................................354.6应变场分析.........................................................................

6、.....................374.7铜管绕弯成形质量分析...........................................................................384.7.1相对弯曲半径对成形质量的影响.......................................................394.7.2芯棒直径对成形质量的影响..............................................................414

7、.7.3伸出量对成形质量的影响..................................................................434.7.4摩擦系数对成形质量的影响..............................................................454.7.5多因素对成形质量的影响..................................................................474.8铜管开裂分析..............

8、............................................................................524.9铜管弯曲起皱分析..............