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基于分屑原理的铣刀设计与研究

Design and research of milling cutter based on the principle of chip splitting
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摘要 为了提高铣刀的耐用性,并将分屑原理有效地应用到铣刀中,以插铣刀具为例,基于刀具分屑原理,通过分析其他具有分屑原理的刀具,选择两种适宜的刀具结构设计的分屑原理,即多刃组合错位分屑原理和波刃分屑原理,构建了基于分屑原理的插铣刀每齿允许进给量与刀具几何参数之间关系的数学模型,在对铣削刀具进行大量切削实验的基础上,通过对切削力、切削振动幅度和刀具磨损的分析,证明应用组合错位分屑原理可以减小刀具对材料施加的切削力,提高刀具使用寿命。同时,波刃切屑原理可以使切削力不足的问题得到一定程度的解决,从而提高了刀具的使用寿命以及性能。 To improve the durability of the milling cutter and effectively apply the chip splitting principle to the milling cutter,the study takes the insert milling cutter as an example and analyzes other tools with chip splitting principle.Additionally,two suitable tool structure design schemes are selected,namely,the chip splitting principle of multi edge combination dislocation and the chip splitting principle of wave edge.The mathematical model is constructed,which is for the relationship between the allowable feed per tooth of the insert milling cutter and the geometric parameters of the cutter based on the chip splitting principle.Based on many cutting experiments on the milling cutter,the cutting force,cutting vibration,and tool wear are analyzed.It is proved that applying the combined-dislocation chip splitting principle can reduce the cutting force exerted by the cutter on the material and improve the service life of the cutter.Meantime,the wave edge chip cutting principle can solve the problem of insufficient cutting force to a certain extent,and improve the service life and performance of the tool.
作者 杨云辉 Yang Yunhui(Electromechanical Engineering Department, Yunnan Open University, Yunnan Kunming, 650223, China)
出处 《机械设计与制造工程》 2022年第1期27-31,共5页 Machine Design and Manufacturing Engineering
关键词 铣刀 分屑原理 刀具设计 milling cutter chip separation principle tooling design
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