Performance Analysis Of Different Shape Of Carbide Insert For Turning Operation

Mohd Izhar, Sapie (2008) Performance Analysis Of Different Shape Of Carbide Insert For Turning Operation. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Determination of suitable insert cutting tool shape and relief angle in turning operation is particular importance due to its controlling the quality of the machining parts and also influence on the tool life. Numerous attempts have been made to approach the problem with different methods including experimental, analytical and also numerical analysis. This research presents the performance of carbide insert with variety of shape and nose angle in turning AISI 1045 Mild Steel and AISI H13 Tool Steel. The surface roughness values were obtained using Mitutoyo’s surface tester to evaluate the inserts in a three type of turning operation (roughing, finishing and light roughing / semi finishing). The smaller of nose angle on insert contribute to a good surface roughness for finishing process. The results show that surface roughness increased due to increased of the nose angle on combination of high spindle speed and low feed rate. Rough turning is characterized by the used of low spindle speed and high feed rate. The smaller nose angle is not suitable for this kind of process due to high surface roughness value on the workpiece.

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