The output end of the double drillshaft is provided with a boring clamp. and the input end of the double drill draft can be in sliding and matching connection with the coupling.
该双头 轴输出端配设有钻夹，双头轴的输入端能与联轴器相滑动配套连接；
2
The main Problems with designing the flexible shaft on a screw drill are strength check and interference calculation.
螺杆钻具挠性轴设计中的两个主要问题是强度校核和干涉量计算。
3
This paper analyses the influence of excentric shaft connection on force case of drill tool, and discusses the causes of drill tool failure.