A technology to form copper long-branch tee pipe directly in compound forming of bulging and extrusion is developed, the formula and calculation of the forming force are introduced.
对紫铜长支管T型管复合胀形工艺进行了试验研究，介绍了包括冲头挤压力的公式与计算，试验中所用复合胀形模具结构和部分重要零件的设计与选取及试验结果。
Suitable for side expansion processing of Tee pipe fitting and Cross pipe fitting.
适合三通四通管件侧孔的预胀型加工。
Suitable for side expansion processing of Tee pipe fitting and Cross pipe fitting.
适合三通四通管件侧孔的预胀型加工。
应用推荐