【摘要】 本文是研制新型硬质合金麻花钻头的部分总结.文中分析了普通高速钢麻花钴头的缺点,着重论述了新型硬质合金麻花钻头的特点和采取的主要技术措施,并介绍了试验结果.为国内应用硬质合金钻头有可能提供一条新的途径.更多还原

【Abstract】 This paper briefly discusses the manufacture of a new type carbide twist drill. The shortcomings of the conventional high-speed steel twist drill are analyzed. The features of our carbide twist drill and the main technical measures taken are evaluated. At the same time, the experimental results are explained and their possibe implication are discussed.更多还原