| 粒度配比对WC基金刚石钻头的性能影响研究 |
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| 引用本文： | 王帅,;谢德龙,;宁春旭,;吕智,;林峰,;潘晓毅. 粒度配比对WC基金刚石钻头的性能影响研究[J]. 超硬材料工程, 2014, 0(5): 9-12 |
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| 作者姓名： | 王帅, 谢德龙, 宁春旭, 吕智, 林峰, 潘晓毅 |
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| 作者单位： | [1]桂林理工大学材料科学与工程学院,广西桂林541004; [2]中国有色桂林矿产地质研究院有限公司,广西桂林541004; [3]国家特种矿物材料工程技术研究中心,广西桂林541004; [4]广西超硬材料重点实验室,广西桂林541004 |
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| 基金项目： | 科技部科研院所技术开发研究专项（项目编号：2013EG115007）;广西重点实验室建设专项（广西超硬材料重点实验室）;广西自然科学基金面上项目（项目编号：2013GXNSFAA019320）;广西科学研究与技术开发计划项目（项目编号：桂科攻1348008--3）;中色集团科技开发项目（项目编号：2013KJJH11）;桂林市科学研究与技术开发计划项目（项目编号：20140104-4）;广西科学基金项目（项目编号：桂科基0342004-3） |
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| 摘 要： | 文章以Fe-Co-Cu基预合金粉为主要粘结剂,WC为骨架相,在相同的金刚石浓度条件下,通过调配6种不同粒度金刚石的配比,来研究金刚石粒度配比对钻头性能的影响。共设计了9种不同参数的孕镶金刚石钻头,通过微钻实验来验证其钻进性能。实验结果表明：在以WC-预合金粉配方体系为胎体材料时,40/45,60/70,80/100目的金刚石粒度组合具有最高的效率;45/50,70/80,100/120目的金刚石粒度组合具有最长的寿命;在调整金刚石粒度时,粗中细三种金刚石的粒度差别不宜太大,否则钻头的效率和寿命将明显降低。
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| 关 键 词： | 金刚石粒度 金刚石钻头 钻进效率 理论寿命 |
Influence of Particle Size Ratio on the Performance of WC--base Diamond Drill Bit |
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| Affiliation: | WANG Shuai ,XIE De-long ,NING Chun-xu,LV Zhi,LIN Feng,PAN Xiao-yi ( 1. College of Materials Science and Engineering , Guilin University of technology ,Guilin, China 541004 ; 2. China Nonferrous Metal ( Guilin ) Geology and Mining Co. , Ltd. , Guilin 541004 ; 3. Chinese National Engineering Research Cemer for Special Mineral Materials, Guilin 541004; 4. Guangxi Key Laboratory of Su perhard Material ,Guilin 541004) |
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| Abstract: | In this article, the influence of diamond particle size ratio on the drill bit performance has been studied under the same diamond concentration with 6 different dia- mond particle ratios. In the experiment, Fe--Co--Cu prealloyed powder was used as agglomerant and WC as framework phase. Nine impregnated diamond bits of different parameters were designed to test their drilling performance under micro drilling experiment. The result shows that when using the WC prealloyed powder formula system as matrix material, the combination of the 40/45,60/70,80/100 mesh diamond particles presents the best efficiency and the combination of the 45/50,70/80,100/120 mesh diamond partL cles is the most durable. The difference of when adjusting the particle size, otherwise bit will significantly decrease. the diamond particle size should not be too big the efficiency and the serving life of the drill bit will significantly decrease. |
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| Keywords: | diamond particle size diamond drill bits drilling efficiency theroretical ser- ving life |
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