jig drill,jig drilling machine

In this method,through the procedure of trial fabrication and fixing the position of drilling model,the fabrication of tuhesheet can be completed.

通过采用试加工、采用钻模定位等有效工艺方法,完成了换热器管板的加工制造。

introduces structure characteristic,precision design calculation of drilling,machining demand and application effect of drilling die and clamp used for producing bonnet by common drill press.

介绍了在普通钻床上加工球阀副阀体法兰的钻模夹具结构,分析了该夹具的钻孔精度、制造要求和使用加工效果。