从横机用刀具看刀具应用理念
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为了减少加工工序,缩短加工时间,提高加工效率,延长刀具使用寿命,以意大利某横机制造企业用刀具为例,详细分析刀具材料、涂层、装夹方式和刃口形式对其性能的影响,说明刀具材料是
翟芳宇
(中国纺织机械(集团)有限公司,北京  100176)
 
摘要:为了减少加工工序,缩短加工时间,提高加工效率,延长刀具使用寿命,以意大利某横机制造企业用刀具为例,详细分析刀具材料、涂层、装夹方式和刃口形式对其性能的影响,说明刀具材料是决定刀具切削性能的根本因素,涂层可提高刀具的红硬性抗磨损能力,装夹方式改变可改善刀具的功能水平,刃口形式特征可赋予刀具不同的切削功能。指出:对刀具应合理选择,特别是合金材料、高性能高速钢、涂层技术的应用可以提高加工质量、精度和效率,应推广;粗精加工刀具应区分,重视刀具夹持方式对加工的影响,根据零件的特点设计简单适用刀具,并树立有刃口即刀具的理念。
关键词:横机用刀具;材料;涂层;装夹方式;刃口形式;效率;质量
中图分类号:TS183.4+9    文献标志码:A     文章编号:1001-9634(2019)05-0061-04
 
收稿日期:2019-07-24
作者简介:翟芳宇(1965—),女,山西晋中人,高级工程师,主要从事纺织机械制造、工艺设计及管理方面的研究。
 
Analysis on Cutter Application Concept Taking the Cutter for Flat Knitting Machine for Example
ZHAI Fangyu
(China Textile Machinery(Group)Co.,Ltd.,Beijing 100176,China)
 
Abstract:In order to reduce the processing process,shorten processing time,improve the efficiency and prolong the service life of cutter,taking a cutter for flat knitting machine manufacturing enterprise in Italy for example,the influence of the cutter material,coating,clamping methods and cuttering edge form on its performance are analyzed in detail,and it shows that the cutter material is the fundamental factor that determines the cutting performance of cutter,coating can improve the red hardness wear resistance of cutter,changing the clamping methods can improve the function level of cutter,and the characteristics of cutting edge form give different cutting functions.It is pointed out that the cutter should be reasonably selected,and especially the application of alloy material,the high performance and high speed steel and coating technology can improve the processing quality,precision and efficiency,and should be popularized.Roughing and finishing cutters should be distinguished,and the impact of the cutter clamping methods on processing should take seriously and suitable cutter should be designed according to the characteristics of parts,and the concept that a cutting edge is a cutter should be set up.
Key Words:cutter for flat knitting machine;material;coating;clamping method;cuttering edge form;efficiency;quality
 
参考文献:
[1] 陆剑中.金属切削原理与刀具[M].5版.北京:机械工业出版社,2011.
[2] 陈桂平.钻削技术的研究[J].企业技术开发,2010,29(5):62-64.
[3] 毕秀国,卜繁岭,康健.钛合金钻削加工及其新发展[J].工具技术,2008,42(12):19-22.
[4] 胡创国,张定华,汪文虎.难加工材料切削机理研究的新进展[J].力学进展,2004,34(3):373-378.
[5] 熊良山,师汉民,陈永洁.钻头与钻削研究的历史、现状与发展趋势[J].工具技术,2005,39(8):11-14.

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