1·A punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom.
一种冲头、用于在中空零件中形成相对的孔的设备和方法以及由此形成的零件。
2·The apertures in which the cutting edges are formed has at least one straight edge (80) by which a punch, used in the process of forming the edge may be oriented.
其中形成切割边缘的孔有至少一个直边缘（80），在形成边缘的处理中 使用的冲头可以通过该直边缘来定向。
3·According to the forming classification of punch-formed car components, the new method for evaluating stamping grade was put forward.
在轿车冲压件成形分类的基础上，提出了新的冲压级别评定方法。
4·Aimed at the difficulties in the bending forming of punching parts, the bending die with dual-punch is designed, the complex shape of this part is once formed by the ordinal action of dual-punch.
针对该冲压件弯曲成形难的问题，设计了双凸模弯曲模，通过双凸模的依次动作可一次成形该零件的复杂形状。
5·Use:Introduction:Pasted with high quality long wool, and it is punch formed with extra heavy viscous force. And it is used for polishing and trimming metal such as stainless steel etc.
适用范围：采用优质长羊毛贴冲压成型，粘力特强，使用于不锈钢等金属的抛光修整等工艺。
6·Panel will be formed when restrike if shape relief exsit by cam pierce . To be kept punch upper shape. (Same as bolting hole).
＊ 整形时，如果同时存在斜楔冲孔，因凸模表面逃料制件将发生变形（螺钉孔同样）。 凸模表面逃料要避免。