flat drill bit

The present technique is a new thin cutoff wall construction method by modifying the original method as to use flat drill bit instead of cross bit and adopt positive and negative circulating system.

冲切成槽薄壁混凝土防渗墙施工技术是在原冲击成槽建造防渗墙的基础上，对冲击钻头和施工工艺加以改进，用扁钻头代替十字钻头，用正反两种循环系统进行泥浆循环的一种新防渗墙施工方法。

This equipment is controlled by the software, automatic finish the milling of the flat milling cutter and drill bit flank by using automated correspondence way of cutter.

该设备是通过软件控制，采用自动对应刀的方式，自动完成平底铣刀，钻头的刃面研磨，可供铣刀生产厂家进行生产，也可用于旧刀修磨。