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《Diamond & Abrasives Engineering》 2015-06
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Ceramic CBN grinding wheel applied to grind ship crankshaft

LU Tao;DU Xiong;LI Xuewen;XU Hanxin;SUN Penghui;SUN Keji;LI Xueren;Zhengzhou Research Institute for Abrasives & Grinding Co.,Ltd.;Shanghai Machine Tool Works Ltd.;  
CBN grinding wheel for ship crankshaft was prepared with optimized designs on working layer and matrix of ceramic CBN wheel.Grinding experiments were carried out to analyze the roughness and chatter marks of processed workpiece.Results showed that,the dressing method of grinding wheels influenced the application effects of grinding wheel a lot.The optimum process parameters for dressing wheels were:rotating speed of roller 3000 r/min,rotating speed of wheel 450 r/min,longitudinal traverse moving speed 250 mm/min.With such parameters,roughness of the workpiece reached Ra≤0.32μm with no chatter marks and no burn.
【Fund】: 国家科技重大专项资助(项目编号:2010ZX04012–071)
【CateGory Index】: TG580.6
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