Suitable for side expansion processing of Teepipe fitting and Cro ipe fitting.
适合三通四通管件侧孔的预胀型加工。
2
Suitable for side expansion processing of Teepipe fitting and Cross pipe fitting.
适合三通四通管件侧孔的预胀型加工。
3
A technology to form copper long-branch teepipe directly in compound forming of bulging and extrusion is developed, the formula and calculation of the forming force are introduced.