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一种基于利润率模型的刀具综合评价与筛选方法

DOI: 10.15918/j.tbit1001-0645.2015.01.001

Keywords: 刀具耐用度 材料切除率 刀具评价与筛选 钛合金Ti-1023

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Abstract:

提出了兼顾各刀具在加工同一材料时匹配各自的最佳加工参数的单元利润率模型的刀具综合评价和筛选方法,并将该方法应用到了难加工材料钛合金Ti-1023的切削刀具的评价与筛选中,取得了理想的筛选结果. 具体方法是:首先通过切削力等约束条件,实验确定样本刀具铣削钛合金Ti-1023时相匹配的最佳进给量、切削深度和切削宽度等切削参数,其次通过变速法实验确定最佳切削速度,进而得到各刀具耐用度和材料切除率,最后计算出利润率值并进行刀具的评价和筛选. 运用该方法在切削钛合金Ti-1023的4种刀具中筛选出最适合的S30刀具,也得到了各刀具在切削Ti-1023材料时匹配最佳的铣削参数

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