Determination of friction coefficient in cutting processes: comparison between open and closed tribometers

被引：23
作者：
Sterle, Luka [1 ]
Pusavec, Franci [1 ]
Kalin, Mitjan [1 ]
机构：
[1] Univ Ljubljana, Fac Mech Engn, Ljubljana, Slovenia
来源：
17TH CIRP CONFERENCE ON MODELLING OF MACHINING OPERATIONS (17TH CIRP CMMO) | 2019年 / 82卷
关键词：
Cutting; friction; tribometers; WC-CO; TI6AL4V; DRY; INTERFACE; BEHAVIOR;
D O I：
10.1016/j.procir.2019.04.159
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fundamental knowledge of frictional phenomena in cutting processes is elemental for their further development. Both pin-on-disc and open tribometer are able to replicate the sliding velocities and contact pressures during cutting to some extent; however, open tribometer can simulate continuous sliding against freshly regenerated surface. In this paper, the influence of kinematics on the friction coefficient measurement has been analyzed, considering exactly determined contact and lubrication conditions. The suitability of both methods for simulating the friction in cutting processes is discussed, and an applicability area is proposed for both methods, leading to a better modelling of cutting processes. (C) 2019 The Authors. Published by Elsevier B.V.
引用
收藏
页码：101 / 106
页数：6
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