对立方氮化硼(CBN)磨粒和聚酰亚胺(PI)树脂进行热压固化成型和后续热处理,制备了PI树脂/CBN砂轮,用热重-差示扫描量热分析仪、红外光谱仪、扫描电子显微镜、磨削试验设备及力学性能试验机等研究了PI树脂的固化反应机理、PI树脂/CBN砂轮的制备工艺及磨削性能.结果表明;试验所用PI树脂的固化反应存在线型与体型聚合两个固化反应放热峰,峰值分别在140 ℃与235℃；PI树脂/CBN砂轮能够精密磨削淬火45钢,磨削后表面粗糙度达到0.19 μm,磨削比为775,在相同磨削条件下比酚醛树脂/CBN砂轮的耐用性更佳.
参考文献
| [1] | Kazuhiro Fujisaki;Hideo Yokota;Naomichi Furushiro;Yutaka Yamagata;Takashi Taniguchi;Ryutaro Himeno;Akitake Makinouchi;Toshiro Higuchi .Development of ultra-fine-grain binderless cBN tool for precision cutting of ferrous materials[J].Journal of Materials Processing Technology,2009(15/16):5646-5652. |
| [2] | R. Cai;W. B. Rowe .Assessment of vitrified CBN wheels for precision grinding[J].International Journal of Machine Tools & Manufacture: Design, research and application,2004(12/13):1391-1402. |
| [3] | Sunarto;Yoshio Ichida .Creep feed profile grinding of Ni-based superalloys with ultrafine-polycrystalline cBN abrasive grits[J].Precision Engineering,2001(4):274-283. |
| [4] | Han Huang;Ling Yin;Libo Zhou .High speed grinding of silicon nitride with resin bond diamond wheels[J].Journal of Materials Processing Technology,2003(3):329-336. |
| [5] | 徐湘涛.聚酰亚胺树脂结合剂金刚石砂轮的制造与应用简介[J].珠宝科技,2004(06):16-19. |
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