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基于陶瓷-金属混合结合剂金刚石修整滚轮的磨削试验研究

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摘要 磨削加工过程中,中孔的粗糙度会出现超差问题,应为金属结合剂金刚石滚轮发生磨损或堵塞,导致修整中孔CBN砂轮后砂轮表面形貌差。金属结合剂结合强度高、刚性大、耐磨性好,但存在自锐性差,易堵塞,磨损后的整形和修锐困难的缺点。新型混合结合剂(陶瓷-金属结合剂)将陶瓷结合剂大气孔结构与金属结合剂不易崩边、高强度结构相结合,其兼顾金属结合剂的高耐磨性和陶瓷结合剂的多气孔率、容屑、易散热等优点。进行磨削工艺试验,以中孔粗糙度、砂轮成本和加工节拍为设计目标,运用田口设计法进行5因子3水平27组试验,结合试验数据分析出最佳磨削工艺参数组合。
出处 《汽车工艺与材料》 2018年第1期6-11,共6页 Automobile Technology & Material
基金 高档数控机床与基础制造装备专项(2015ZX04002021)
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