dismantle the die

Based On the analyzing of the principle factors that influence the quality of the knee bend mould , the special grinder fixtures used in grinding inclined plane of knee bend mould are designed in the paper.

在分析影响某折弯模具产品质量的主要原因基础上,针对折弯模具刀口斜面的磨削关键工序进行了专用磨床夹具设计。

The formula of the critical buckling condition has been given out,and the general module of reduction Er has been determined.

通过扇形件拉伸试验,分析了板料在受压失稳前的变形特征以及板料厚度、宽度、皱纹半波夹角对失稳的影响,给出了失稳临界条件表达式,确定了广义折减模数Er。