INVESTIGATION OF TOOL LIFE IN HIGH SPEED WET MILLING OF TI-6AL-4V ALLOY
Author(s):
Dr.J.Govardhan, Kodem Suresh
Keywords:
Titanium Alloy, Milling Machine, Tool wear, Taguchi, Surface roughness.
Abstract
The problem of tool wear monitoring in machining operations has been an active area of research for quite a long time. The main objective is to investigate cutting forces for improving mechanical properties like mechanical strength rigidity and easy final formability specifications. The accurate prediction of tool life is important to have a better product quality and dimensional accuracy. In cutting tools the area close to tool tip is most important region and conditions at tool tip must be carefully examined improvements in tool performance to be achieved. In the present work the experiments are performed with Ti-6Al-4V alloy as work piece and coated carbide tips as tool material and the flank wear have to be measured experimentally. An attempt is also made to optimize process parameters like flow rate, cutting speed, feed, depth of cut while milling of titanium components for high tool life. The optimizing technique used for studying the surface roughness is based on the famous Taguchi Method, which has the big advantage of reducing the number of experiments that otherwise would have been required to investigate these four factors. Surface roughness is measured by using surface roughness tester. The flank wear is measured experimentally by optical microscope. The optimal value for machining is determined using Taguchi Method.
Article Details
Unique Paper ID: 143926

Publication Volume & Issue: Volume 3, Issue 4

Page(s): 300 - 304
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