3D Finite Element Modelling of Segmented Chip Formation

✍ Scribed by J.C. Aurich; H. Bil

• Publisher: International Academy for Production Engineering
• Year: 2006
• Tongue: English
• Weight: 592 KB
• Volume: 55
• Category: Article
• ISSN: 0007-8506
• DOI: 10.1016/s0007-8506(07)60363-1

✦ Synopsis

This paper presents a 3D coupled thermo-mechanical finite element model for the simulation of segmented chip formation in metal cutting. For modelling, a commercial finite element code is used. The generation of segmentation is achieved either by element erase with respect to damage or by modification of material flow stress data; both being coupled with continuous adaptive remeshing. A normalized Cockroft-Latham model is utilized as the damage criterion for element erase. Flow stress modification is achieved by using Rhim's material model. Fundamental observations from the simulations are concluded and a guideline for further research is proposed.