Paper Title:
PCBN Tool Wear Mechanism in Hard Turning Hardened Bearing Steel
  Abstract

The wear pattern and mechanism during continuous hard turning GCr15 hardened bearing steel with BZN8200 PCBN cutting tool was studied. Experimental results showed that the main wear pattern is crater wear in rake face and mechanical wear in flank face, the main wear mechanism is made-up with adhesive, oxidization and diffusive wear. The adhesive wear is generated by melt workpiece material flows with binder material of PCBN tool during initial cutting, oxidative wear is derived by cutting temperature and pressure of cutting zone when the flank wear increase after initial cutting, diffusive wear phenomenon is the absolute mechanism with the diffusive effect between workpiece and tool material in final cutting time.

  Info
Periodical
Key Engineering Materials (Volumes 315-316)
Edited by
Zhejun Yuan, Xipeng Xu, Dunwen Zuo, Julong Yuan and Yingxue Yao
Pages
334-338
DOI
10.4028/www.scientific.net/KEM.315-316.334
Citation
S.J. Dai, D. H. Wen, J. L. Yuan, "PCBN Tool Wear Mechanism in Hard Turning Hardened Bearing Steel", Key Engineering Materials, Vols. 315-316, pp. 334-338, 2006
Online since
July 2006
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Price
$32.00
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