【推荐】金刚石刀具切削硬脆材料时切削力与刀具振动的关系

金刚石刀具切削硬脆材料时切削力与刀具振动的关系

摘 要:通过用金刚石刀具对花岗岩、陶瓷、铸铁和钢等不同材料进行切削对比试验,对切削力信号和刀具振动信号的变化关系进行了相关分析。结果表明:材料性质不同,相关信号的周期性明显不同,切削力信号频谱的主峰分布也有所不同。

关键词:硬脆材料 切削力 刀具振动 相关信号

Relationship Between Cutting Force and Cutter’s Vibration in Cuttings of Hard & Brittle Materials Using Diamond Cutters

Li Yuhe et al

Abstract:Based on the correlation tests of cutting different materials such as granite,ceramics,cast-iron and steel by using diamond cutters,the varying relationship between cutting force signals and cutter’s vibration signals is correlatively analyzed.The results show that the periodicity of correlation signals and the distribution of main peaks in the cutting force spectrum are different as the change of characteristics of materials.

Keywords:hard & brittle material cutting force cutter’s vibration correlation signal

切削振动是切削加工中一种不可避免的现象。目前人们对金属切削中刀具及机床系统的振动规律已进行了较深入的研究,但对花岗岩、陶瓷等硬脆材料切削加工中的振动问题研究还不多[2]。

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