Modelling of orthogonal cutting with a temperature dependent friction law

被引:182
作者
Moufki, A [1 ]
Molinari, A [1 ]
Dudzinski, D [1 ]
机构
[1] Univ Metz, ISGMP, Mecan & Phys Mat Lab, CNRS,UMR 7554, F-57045 Metz, France
关键词
cutting and forming; thermomechanical processes; viscoplastic material; friction;
D O I
10.1016/S0022-5096(98)00032-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper the process of orthogonal cutting is studied by analytical means. A thermomechanical model of the primary shear zone is combined with a modelling of the contact problem at the tool-chip interface. A friction law is introduced that accounts for temperature effects. The effects of cutting conditions and material behaviour on the temperature distribution along the contact zone, on the mean friction and on the global cutting forces are evaluated. The experimental trends are shown to be well described by the proposed model. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2103 / 2138
页数:36
相关论文
共 38 条
[11]   A CONSTITUTIVE DESCRIPTION OF THE DEFORMATION OF COPPER BASED ON THE USE OF THE MECHANICAL THRESHOLD STRESS AS AN INTERNAL STATE VARIABLE [J].
FOLLANSBEE, PS ;
KOCKS, UF .
ACTA METALLURGICA, 1988, 36 (01) :81-93
[12]   TOOL CHIP CONTACT LENGTH IN ORTHOGONAL MACHINING AND ITS IMPORTANCE IN TOOL TEMPERATURE PREDICTIONS [J].
GAD, GS ;
ARMAREGO, EJA ;
SMITH, AJR .
INTERNATIONAL JOURNAL OF PRODUCTION RESEARCH, 1992, 30 (03) :485-501
[13]  
Groover M.P., 1971, J ENG IND, P603
[14]  
KADHIM MJ, 1966, P IME, V181, P157
[15]   STRESS DISTRIBUTION AT INTERFACE BETWEEN TOOL AND CHIP IN MACHINING [J].
KATO, S ;
YAMAGUCH.K ;
YAMADA, M .
JOURNAL OF ENGINEERING FOR INDUSTRY, 1972, 94 (02) :683-&
[16]   AN EXPERIMENTAL-TECHNIQUE FOR SHEAR TESTING AT HIGH AND VERY HIGH-STRAIN RATES - THE CASE OF A MILD-STEEL [J].
KLEPACZKO, JR .
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 1994, 15 (01) :25-39
[17]   THE EFFECTS OF SLIDING CONDITIONS ON THE DRY FRICTION OF METALS [J].
LIM, SC ;
ASHBY, MF ;
BRUNTON, JH .
ACTA METALLURGICA, 1989, 37 (03) :767-772
[18]   MODELING AND SIMULATION OF HIGH-SPEED MACHINING [J].
MARUSICH, TD ;
ORTIZ, M .
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 1995, 38 (21) :3675-3694
[19]  
MOLINARI A, 1992, CR ACAD SCI II, V315, P399
[20]   FRICTION AND WEAR AT HIGH SLIDING SPEEDS [J].
MONTGOMERY, RS .
WEAR, 1976, 36 (03) :275-298