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Determination of the Thermal Load Distribution in Internal Traverse Grinding using a Geometric-Kinematic Simulation

Schumann, S.; Siebrecht, T.; Kersting, P.; Biermann, D.; Holtermann, R. and Menzel, Andreas LU (2015) 15th CIRP Conference on Modelling of Machining Operations (CMMO) In 15th CIRP Conference on Modelling of Machining Operations (15TH CMMO) 31. p.322-327
Abstract
During grinding processes, numerous grains interact with the workpiece material producing mechanical and thermal loads on the surface. In the field of thermal simulation of grinding processes, a widely used approach is to substitute numerous cutting edges by a single moving distributed heat source of a specific geometrical shape referring to the theory of Carslaw and Jaeger. This heat source is then moved across the modelled workpiece according to the specific kinematics of the grinding process. The geometrical shape of the substituted heat source can usually be determined using different approaches, e.g., predefined distribution functions or, more precisely, based on measurements of the shear stress within the contact zone. Referring to... (More)
During grinding processes, numerous grains interact with the workpiece material producing mechanical and thermal loads on the surface. In the field of thermal simulation of grinding processes, a widely used approach is to substitute numerous cutting edges by a single moving distributed heat source of a specific geometrical shape referring to the theory of Carslaw and Jaeger. This heat source is then moved across the modelled workpiece according to the specific kinematics of the grinding process. The geometrical shape of the substituted heat source can usually be determined using different approaches, e.g., predefined distribution functions or, more precisely, based on measurements of the shear stress within the contact zone. Referring to the state of the art, it is not possible to measure the shear stress within the contact zone during internal traverse grinding with roughing and finishing zone because of its very complex engagement conditions and the non-rectangular shape of its contact zone. In this work, a novel approach to determining a heat source distribution based on a geometric-kinematic simulation for internal traverse grinding is presented. This simulation identifies the ideal geometrical interaction of workpiece and grinding wheel. For this purpose, the specific material removal rate for each grain is calculated and accumulated with respect to the contact zone resulting in a three-dimensional thermal load distribution. This heat source can be used in finite element simulations to determine the thermal load on the workpiece. (C) 2015 The Authors. Published by Elsevier B.V. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Grinding, Thermal effects, Geometric modelling, Finite element method, (FEM)
in
15th CIRP Conference on Modelling of Machining Operations (15TH CMMO)
volume
31
pages
322 - 327
publisher
Elsevier
conference name
15th CIRP Conference on Modelling of Machining Operations (CMMO)
external identifiers
  • wos:000356149400055
  • scopus:84939149676
ISSN
2212-8271
DOI
10.1016/j.procir.2015.03.020
language
English
LU publication?
yes
id
2f6996f3-5b33-4377-b4c2-b5b1b69968d0 (old id 7601879)
date added to LUP
2015-07-23 14:07:03
date last changed
2017-10-01 04:19:13
@inproceedings{2f6996f3-5b33-4377-b4c2-b5b1b69968d0,
  abstract     = {During grinding processes, numerous grains interact with the workpiece material producing mechanical and thermal loads on the surface. In the field of thermal simulation of grinding processes, a widely used approach is to substitute numerous cutting edges by a single moving distributed heat source of a specific geometrical shape referring to the theory of Carslaw and Jaeger. This heat source is then moved across the modelled workpiece according to the specific kinematics of the grinding process. The geometrical shape of the substituted heat source can usually be determined using different approaches, e.g., predefined distribution functions or, more precisely, based on measurements of the shear stress within the contact zone. Referring to the state of the art, it is not possible to measure the shear stress within the contact zone during internal traverse grinding with roughing and finishing zone because of its very complex engagement conditions and the non-rectangular shape of its contact zone. In this work, a novel approach to determining a heat source distribution based on a geometric-kinematic simulation for internal traverse grinding is presented. This simulation identifies the ideal geometrical interaction of workpiece and grinding wheel. For this purpose, the specific material removal rate for each grain is calculated and accumulated with respect to the contact zone resulting in a three-dimensional thermal load distribution. This heat source can be used in finite element simulations to determine the thermal load on the workpiece. (C) 2015 The Authors. Published by Elsevier B.V.},
  author       = {Schumann, S. and Siebrecht, T. and Kersting, P. and Biermann, D. and Holtermann, R. and Menzel, Andreas},
  booktitle    = {15th CIRP Conference on Modelling of Machining Operations (15TH CMMO)},
  issn         = {2212-8271},
  keyword      = {Grinding,Thermal effects,Geometric modelling,Finite element method,(FEM)},
  language     = {eng},
  pages        = {322--327},
  publisher    = {Elsevier},
  title        = {Determination of the Thermal Load Distribution in Internal Traverse Grinding using a Geometric-Kinematic Simulation},
  url          = {http://dx.doi.org/10.1016/j.procir.2015.03.020},
  volume       = {31},
  year         = {2015},
}