金刚石与磨料磨具工程2017，Vol.37Issue(4)：27-30,37,5.DOI:10.13394/j.cnki.jgszz.2017.4.0006
蓝宝石套料用金刚石钻头关键制备技术研究
Study on key preparation technology of diamond core drill bit for sapphire
摘要
Abstract
Diamond core drill bit for sapphire is different from the conventional engineering drill bit, it requires good sharpness, long life, small radial jumping, good surface quality of sapphire bar, so the higher requirement is proposed for the preparation and testing of drill bit.This paper focuses on the important testing indicators of the segment, the drill pipe, the matrix design and the finished drill bit, and elaborates the key details on the preparation of segment, the welding of bit and the subsequent processing.We prepared a 4-inch(internal diameter (Φ)103 mm)diamond drill bit for drilling sapphire crystal, the efficiency is increased by 12% than the Taiwanese company's drill bit with the same specifications, the life is about 95% of Taiwanese company's drill bit, and the defective rate of sapphire bar is less than 0.5%, which satisfies the requirement of customers.关键词
蓝宝石/金刚石钻头/检验指标/钻进速度Key words
sapphire/diamond core drill bit/test indicator/drilling speed分类
化学化工引用本文复制引用
徐良,刘一波,徐强..蓝宝石套料用金刚石钻头关键制备技术研究[J].金刚石与磨料磨具工程,2017,37(4):27-30,37,5.基金项目
中国钢铁工业协会基金资助"绿色高效专业金刚石工具先进制备技术及产业应用"(1500070063) （1500070063）
