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50 17 Vol.50 No.17
2 0 1 4 9 JOURNAL OF MECHANICAL ENGINEERING Sep. 2 0 1 4
DOI 10.3901/JME.2014.17.194
*
1 1 1 1 1 2
(1. 110004
2. 114000)
TG161
Experimental Investigation on Material Removal Process for
Micro-grinding of Single Crystal Silicon
CHENG Jun1 WANG Chao1 WEN Xuelong1 YIN Guoqiang1 GONG Yadong1 SONG Hua2
(1. School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004;
2. School of Mechanical Engineering and Automation, University of Science and Technology Liaoning, Anshan 114000)
Abstract Theoretical and experimental analysis on micro-grinding process of single crystal silicon has been investigated in this
study. The mathematical model of undeformed chip thickness in slot micro-grinding of single crystal silicon has been built. Diamond
tools in this experiment have been employed and slot micro-grinding experiments of single silicon are designed and carried out on a
precise micro-machine tool. Influences of micro-grinding parameters to crack length are investigated from analysis of experiment
results, the relationships between micro-grinding parameters to surface roughness and micro-grinding force during experiment have
been revealed. The relationship between undeformed chip thickness and micro-grinding force results is built, it is found from
experiment that the grinding force would increase with the decrease of undeformed chip thickness when the undefromed chip
thickness is below lattice constant. It would provide research theory and experimental reference of material removal mechanism in
micro-grinding of single crystal silicon.
Key words micro-grinding single crys
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