Journal
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
Volume 209, Issue 6, Pages 2847-2854Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2008.06.036
Keywords
Grinding forces; Dynamic chip formation energy; Static chip formation energy; Friction coefficient
Funding
- National Basic Research Program of China [2005CB724100]
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Grinding forces are composed of chip formation force and sliding force. A new mathematical model of grinding forces in surface grinding is developed in this paper. Effectiveness of this model is proved by comparison of the experimental results and the model calculation results. Chip formation energy can be divided into static chip formation energy and dynamic chip formation energy which is mainly influenced by shear strain, shear strain rate and heat in the metal removal process, A formula for calculating the chip formation force is proposed by analyzing the relationship between specific chip formation energy and chip formation force. Combined with the achievements of other researchers, a new formula for calculating sliding force considering the influence of processing parameters on friction coefficient is obtained. (c) 2008 Elsevier B.V. All rights reserved.
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