piercing die

The extrusion and piercing die 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。

And the structure of the pressing and piercing die for the decoration part was mainly introduced.

分析了车厢内装饰件的冲压工艺,着重介绍了车厢内装饰件压形切口模的结构.

Unique structural design of piercing die was adopted to accomplish the piercing of eight side holes with different directions and angles on the left and right wheel cowling section plane.

采用独特的冲孔模结构设计，解决了轮罩左、右剖面上的8个不同方位、不同角度的侧冲孔问题。

Design of Drawing and Piercing Compound Die with Floating Punch Block

带有浮动凸凹模的拉伸冲孔复合模设计

Designed the large model universal blanking-piercing compound die, it is practical, reliable, flexible and simple.

设计实用、可靠、灵活、简便的大型落料冲孔通用模具。

A new thinking for the design and manufacture of 16 J spoke piercing blanking die is introduced.

介绍了16J轮辐冲孔、料模的设计及制造新思路.

Design of Simultaneous Piercing Die At Both Sides of Square-Shaped Pipe

方管两侧同时冲孔模设计