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分析了CVD金刚石厚膜刀具材料的性能特点 ,对CVD金刚石厚膜车刀进行了精密切削和难加工复合材料切削试验 ,结果表明 :CVD金刚石厚膜刀具加工铝合金的表面粗糙度可达Ra0 0 5 μm ;切削难加工复合材料时刀具耐磨性和使用寿命明显优于硬质合金刀具、PCBN刀具和PCD刀具
The performance characteristics of CVD diamond thick film cutting tools were analyzed. The cutting experiments of CVD diamond thick film turning tools were carried out. The results show that the surface roughness of CVD diamond thick film cutting tools can reach Ra0 0 5 μm; Tool wear resistance and service life significantly better than that of carbide tool, PCBN tool and PCD tool when cutting difficult-to-process composite materials