偶联剂处理对金刚石树脂砂轮磨削性能的影响.pdfVIP

2010 08 4 Aug. 2010 30 178 D iam ond Ab rasivesEngineering No. 4 Vo.l 30 Serial 178 : 1006 852X (2010) 04 0054 04 1 1 1, 2 1 3 陈雷 曾黎明 叶晓川 张超 宋幼行 ( 1. , 430070) ( 2. , 430070 ) ( 3. , 430070) 本实验采用 NaOH 溶液对金刚石磨料进行了预处理, 用硅烷偶联剂进行表面改性, 对改性后的 金刚石磨料制造的树脂砂轮的磨削比和磨削效率进行了研究结果表明, 在干磨的条件下, 改性后的金 刚石磨料对砂轮磨削比的提高显著, 磨削效率基本不变通过显微镜观察磨削后的砂轮表面形貌, 发现 树脂对改性后的金刚石颗粒把持力增大, 磨粒脱落减少, 与仅用硅烷偶联剂处理的金刚石砂轮相比, 其磨 削比提高了 50% ; ; ; TG58 A DOI 10. 3969/j. issn. 1006 852X. 2010. 04. 013 Influences of silane coup ling agent on the grinding perform ances of resin bond diam ond wheels 1 1 1, 2 1 3 Chen Le i Zeng Lmi ing Ye X iaochuan Z hang Chao S ong Youx ing ( 1. College of M aterial Science and Engineering, Wuhan University of Technology, Wuhan 430070, China) ( 2. Wuhan T igers Technology D evelopm ent Co. , td, Wuhan 430070, China) (3. Wuhan JianghanM anuf acture of Ultra-IT abrasives Co. , td, Wuhan 430070, China) Abs tract The diamond grainswere preprocessed w ith sodium hydroxide solution, and then surfacemodified w ith silane coupling agent. Such treated diamondswere used tom ake resin bond wheels. The grinding ratio and grinding efficiency of the above resin bond wheels were investigated. Expermi ental results indicated that the treated diamond abrasives enhanced the grinding ratio of wheels remarkably under dry cutting condition. The observation of the ground wheel surface w ith m icroscope demonstrate