Paper Title:
Surface Roughness in High Feed Turning with Wiper Insert
  Abstract

Surface roughness in a turning operation is affected by a great number of factors. Two of the most important factors are feed rate and the size of the corner radius. Surface roughness can be roughly determined to increase with the square of the feed rate and decrease with increased size of the corner radius. However, wiper insert geometries changed this relationship with the capability to generate good surface roughness at relatively higher feeds by transferring small part of the round insert edges into the straight cutting edges of the pointed insert. The principle of how wiper inserts behave different from conventional inserts as to the effects on the surface roughness is explored in this paper. Experimental study of the surface roughness produced in the turning of hardened mild steels using coated carbide tools with both conventional and wiper inserts is conducted. The test results prove the effectiveness of the wiper inserts in providing excellent surface roughness. The results also suggest that the use of the wiper insert is an effective way that significantly increases cutting efficiency without changing the machined surface roughness in high feed turning operations.

  Info
Periodical
Key Engineering Materials (Volumes 375-376)
Edited by
Yingxue Yao, Xipeng Xu and Dunwen Zuo
Pages
406-410
DOI
10.4028/www.scientific.net/KEM.375-376.406
Citation
Z. Q. Liu, P. Zhang, P. Guo, X. Ai, "Surface Roughness in High Feed Turning with Wiper Insert", Key Engineering Materials, Vols. 375-376, pp. 406-410, 2008
Online since
March 2008
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Price
$32.00
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