A 3D finte element study on the friction effects on material flow under the cutting edge in superfinish hard milling H13 tool steel

H. M. Singh, Y. B. Guo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Milling hardened steels has emerged as a key technology in mold and die manufacturing industries. In cutting, a portion of work material is pushed upward by the tool rake face to form the chip while the other portion below this layer is ploughed under the cutting edge to become the machined surface. Although the ploughed material is a very small fraction of the uncut chip thickness, it determines surface integrity after machining. In this study, a 3D finite element simulation model of milling hardened AISI H13 tool steel (HRC 50) has been developed to study material deformation under the cutting edge of a milling insert. The ploughed depth in the range of 0.6 μm to 3.0 μm is used to study the material flow under the cutting edge. Friction between the cutting edge and workpiece surface has a significant influence on the ploughed depth. Different coefficients of friction are used to study their effects on stresses/strains and temperature during ploughing. The Johnson-Cook model is used to model the plastic behavior of workpiece material. The 3D finite element analysis gives an insight into some key issues in a milling process. The FEA model illustrates the effects of micro cutting edge geometry on pile-up in front of the cutting edge, transient stresses and temperatures, and a transition from ploughing to cutting in a milling process.

Original languageEnglish (US)
Title of host publicationSTLE/ASME 2010 International Joint Tribology Conference, IJTC2010
Pages235-237
Number of pages3
DOIs
Publication statusPublished - Dec 1 2010
Externally publishedYes
EventSTLE/ASME 2010 International Joint Tribology Conference, IJTC2010 - San Francisco, CA, United States
Duration: Oct 17 2010Oct 20 2010

Publication series

NameAmerican Society of Mechanical Engineers, Tribology Division, TRIB

Conference

ConferenceSTLE/ASME 2010 International Joint Tribology Conference, IJTC2010
CountryUnited States
CitySan Francisco, CA
Period10/17/1010/20/10

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All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Materials Science(all)

Cite this

Singh, H. M., & Guo, Y. B. (2010). A 3D finte element study on the friction effects on material flow under the cutting edge in superfinish hard milling H13 tool steel. In STLE/ASME 2010 International Joint Tribology Conference, IJTC2010 (pp. 235-237). (American Society of Mechanical Engineers, Tribology Division, TRIB). https://doi.org/10.1115/IJTC2010-41215