The effects of cryogenic cooling on surface integrity in hard machining: A comparison with dry machining

被引：124
|
作者：
Umbrello, Domenico [1 ,3 ]
Micari, Fabrizio [2 ]
Jawahir, I. S. [3 ]
机构：
[1] Univ Calabria, Dept Mech Engn, I-87036 Arcavacata Di Rende, CS, Italy
[2] Univ Palermo, Dept Chem Management Comp Sci & Mech Engn, I-90128 Palermo, PA, Italy
[3] Univ Kentucky, ISM, Lexington, KY 40506 USA
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2012年 / 61卷 / 01期
关键词：
Cutting; Surface integrity; Cryogenic cooling; WHITE LAYERS;
D O I：
10.1016/j.cirp.2012.03.052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents results of an experimental study of cryogenic machining of hardened AISI 52100 steel, focusing on surface integrity. Experiments were performed under dry and cryogenic cooling conditions using CBN tools varying cutting speeds, workpiece hardness and tool geometry. Surface integrity parameters (surface roughness, white layer thickness, residual stresses, metallurgical conditions including grain size, phase transformation, etc.) were investigated to establish the effects of cryogenic cooling on the surface integrity of the machined component, and results were compared with those from dry hard machining. Overall, cryogenic cooling provides improved surface integrity leading to extended product life and performance. (C) 2012 CIRP.
引用
收藏
页码：103 / 106
页数：4
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