drill jig

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。

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。