The extrusion and piercingdie was developed based on the technical analysis on the shaping characteristics of deep taper pipe with hole.
针对带孔深锥形管件的成形特点进行了工艺分析,确定了成形方案,设计了锥形管挤压模和冲孔模。
2
Piercing technology for oblique holes on conical surface was analyzed and a new piercingdie structure for the conical part was introduced.
分析了锥面斜孔冲裁的工艺,介绍了一种新型的锥形件冲孔模结构。
3
Give an analysis about the features of a welding seam pipe's piercing, and introduce the design clew of the welding seam pipe's piercingdie using an instance.