硬质合金片齿复合针具

Insert and Button Complex-type Rock Drilling Tools

近两年来研制成功的新一代高效、低耗片齿复合钎头（中国专利号：９６２０３０５３．８）和片齿复合整钎（中国专利号：９６２０３０５４．６），开始批量投入市场使用，该系列钎具克眼了片状和球齿钎具的缺陷，具有片状和球齿钎具的综合优势。本文介绍其研制背景、设计思路和使用效果。

new type high-effective, low-consumpticn insert and button Complex-type bit (Chinese Patent No. 96203053. 8)and insert and button Complex-type integral drill steel developed successfully nearly two years now has been put in market in batches. This series of rock drilling tools overcomes the defects of both insert and button drilling tools,and possesses the comprehensive advantages of both insert and button drilling tools. This paper presents their developed background,designed ideology and applied effect.