Research on punching automation of bearing basket cage;
轴承筐形保持架冲孔自动化研究
Design of falling material and punching of chain plate;
链板落料冲孔工装的设计
Study on punching holes on thin steel sheet to be the same thickness as diametre with 70 steel punch;
70钢冲头对等径值厚度薄板冲孔技术
Deformation study of piercing on tubular parts;
管形零件冲孔过程的变形研究
Design of compound punching die for shaft cover with blanking-drawing-piercing-flanging-trimming;
轴盖落料拉深冲孔翻边修边复合模设计
Design of positioning mechanism in punching die of special pipe;
一种异形管坯冲孔模具的定位机构设计
Design of Compound Die of Cut-tandem-punch-flang;
落料拉深冲孔翻边复合模设计
Punching vertically model automatic caroboard -punching system;
直冲式全自动纹板冲孔系统
Analying the pipe punching hole each kind of form characteristic and the difficulty.
分析了管子冲孔工艺的各种形式特点及难点。
