Molecular dynamics simulation and experiment research of cutting-tool wear mechanism for cutting aluminum alloy

2018 ◽  
Vol 96 (1-4) ◽  
pp. 1123-1137 ◽  
Author(s):  
Guojun Dong ◽  
Xin Wang ◽  
Shengdong Gao
Keyword(s):  
Molecular Dynamics ◽  
Aluminum Alloy ◽  
Molecular Dynamics Simulation ◽  
Tool Wear ◽  
Wear Mechanism ◽  
Cutting Tool ◽  
Dynamics Simulation ◽  
Experiment Research ◽  
Tool Wear Mechanism ◽  
Simulation And Experiment

Coarse-grained Molecular Dynamics Simulation of the Wear Mechanism of Cyclic Polymer Brushes

2020 ◽  
Vol 49 (10) ◽  
pp. 1185-1188
Author(s):  
Zhongmin Liu ◽  
Yusuke Ootani ◽  
Shuichi Uehara ◽  
Jingxiang Xu ◽  
Yang Wang ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Wear Mechanism ◽  
Polymer Brushes ◽  
Dynamics Simulation ◽  
Coarse Grained ◽  
Cyclic Polymer ◽  
Coarse Grained Molecular Dynamics

Molecular Dynamics Simulation of a Cutting Method by Making Use of Localized Hydrostatic Pressure

2016 ◽  
Vol 1136 ◽  
pp. 156-161 ◽  
Author(s):  
Jun Shimizu ◽  
Keito Uezaki ◽  
Li Bo Zhou ◽  
Takeyuki Yamamoto ◽  
Teppei Onuki ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Hydrostatic Pressure ◽  
Cutting Tool ◽  
Dynamics Simulation ◽  
Burr Formation ◽  
Rectangular Hole ◽  
Machined Surface ◽  
Cutting Zone ◽  
Machined Surface Integrity

This study aims to develop a cutting method, which enables to generate a localized hydrostatic pressure field in the vicinity of cutting zone in order to improve the machined surface integrity without causing unnecessary plastic deformation. In the previous work, a molecular dynamics simulation was performed using a newly developed cutting tool equipped with a planer jig with a rectangular hole for the cutting chip elimination, and it was confirmed that the developed cutting tool has advantages in giving a relatively high-hydrostatic stress field in the vicinity of the cutting zone and in suppressing the burr formation. In this report, further molecular dynamics simulation was performed in order to clarify the influence of jig shape on the cutting phenomena and machined surface integrity. As a result, it is found that a cutting tool of which front and side except for the rectangular hole are covered by the planer jig is the most advantageous for supplying high hydrostatic pressure and suppressing burr formation.

Molecular Dynamics Simulation Study on Diamond Tool Wear in Cutting Aluminum-Based Workpieces

2013 ◽  
Vol 579-580 ◽  
pp. 211-215
Author(s):  
Guo Jun Dong ◽  
Yuan Jing Zhang ◽  
Ming Zhou
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulation ◽  
Tool Wear ◽  
Simulation Study ◽  
Diamond Tool ◽  
Cutting Speed ◽  
Dynamics Simulation ◽  
Cutting Depth ◽  
Factors Affecting ◽  
Definite Effect

The problem of diamond tool wear is the bottleneck for machining large metal reflector with ultraprecision cutting method. In this paper, the author performed simulation study on diamond tool wear in machining large metal reflectors, and established a molecular dynamics simulation model for dynamic simulation of tool wear; and found that in the simulation process the change in cutting speed and cutting depth had definite effect on the tool wear, and the main factors affecting the tool wear was the cutting distance.

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