Experimental Investigation to Assess the Effects of Trumpet Hone on Tool Life and Surface Quality in Milling of AISI4140 Steel

被引：13

作者：

Pradeep, Shiva N. ^{[1
]}

Padmakumar, M. ^{[2
]}

Sarada, B. N. ^{[1
]}

机构：

[1] BMS Coll Engn, Dept Mech Engn, Bangalore, Karnataka, India

[2] Kennametal India Ltd Technol Ctr, Bangalore, Karnataka, India

来源：

FME TRANSACTIONS | 2019年 / 47卷 / 03期

关键词：

Cutting tool; Edge preparation; Edge hone; Tool life; Surface roughness; K-factor; CUTTING EDGE; GEOMETRY; WEAR;

D O I：

10.5937/fmet1903437S

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Cutting edge preparation is proven to improve the tool life by avoiding sudden failures. Honed edge is effective in stabilizing the tool but has an adverse effect on surface quality. Tailored edge draws attention for research in improving the tool life and surface quality compared to symmetric honed edge. This research describes the advantages and limitations of trumpet edges over symmetrically honed edges in tool life and surface quality. The analysis carried out in milling of AISI 4140 steel with the trumpet edge of K=1.6 produced a surface of stable Ra value around 0.2 mu m with good quality. The tool life was not significantly varied with the trumpet edges since the both trumpet edge and symmetrical edges resulted in a tool life around 95 minutes. The results predict a distortion of tailored edge as it machines the work piece since the K-factor was reduced from 1.6 to 0.9.

引用

页码：437 / 441

页数：5

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