Modelling of the friction in the chip formation zone depending on the rake face topography
Modelling of the friction in the chip formation zone depending on the rake face topography
复制标题
根据前刀面形貌对切屑形成区域中的摩擦进行建模
DOI:
10.1016/j.wear.2021.203802
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发表时间:
2021
期刊:
影响因子:
5
通讯作者:
Biermann
中科院分区:
文献类型:
--
作者:
Saelzer;Berger;Iovkov;Biermann
In the machining process, both the tool wear and the surface integrity of the machined workpiece are significantly influenced by the friction. For this reason, the reliable prediction of friction behavior is of great importance for simulation-based tool and process design. It is known from previous investigations that the relative speed is a significant factor influencing the friction behavior between metallic materials and cemented carbide. The exact relationship, particularly in relation to the topography of the tool surfaces, is mainly unexplored. In the context of this publication, results from a friction characterization under machining-similar conditions for AISI 1045 and differently prepared cemented carbide surfaces are presented. The focus of the paper is to develop models for the friction coefficient, based on these results, which take the relative speed and the surface topography into account. Within a Finite-Element chip formation simulation, these models are compared to conventional models that assume the friction coefficient to be constant. For the validation of the simulations, results are used, which were determined from orthogonal cutting tests with differently prepared rake faces. Within the scope of these cutting tests, knowledge was gained about the influence of the rake face topography and the cutting parameters on the friction in the secondary shear zone.
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DOI:
--
发表时间:
2008
期刊:
影响因子:
--
作者:
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2019
期刊:
Production at the leading edge of technology
影响因子:
--
作者:
Saelzer;Biermann
通讯作者:
Biermann
DOI:
--
发表时间:
2017
期刊:
影响因子:
--
作者:
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DOI:
10.1016/j.procir.2015.03.048
发表时间:
2015
期刊:
Procedia CIRP
影响因子:
--
作者:
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通讯作者:
Veselovac