Machine Tool Rigidity When Turning Using Varies Length And Diameter Of Workpiece

Norsha Hira, Abdul Ghani (2013) Machine Tool Rigidity When Turning Using Varies Length And Diameter Of Workpiece. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

As machine utilization have been increasing in our country especially in manufacturing industries, machine tool rigidity have become one of the important factors that influenced the quality of parts produced. This project entitled “Machine tool rigidity when turning using varies length of diameter and workpiece”. The purpose of this project was to investigate the influences of machine tool rigidity on quality of parts with varies in length and diameter. Experiment setup involved the HAAS CNC turning machine, VBMT 160404 carbide turning insert, tool holder, work piece (Mild steel) with range of diameter 10 mm and 20 mm and range of length from 25 mm, 30 mm and 35 mm. There are 81 samples were prepared for model development and validation test. The experiment was carried out by using five different parameters which are cutting speed, depth of cut, feed rate, diameter of workpiece and length of workpiece. For the result analysis, multiple linear regression tools have been used for model development whereas T-test tool were used for validation test. All this analysis was carried out using Minitab 16 Software. The Pvalue was greater which is 0.504, the equation model for the taper accuracy was valid and this model may be applied to other machines in the future. After conducting research, there is strong relation between machining parameters and machine rigidity Hence, by improving the rigidity of machining parameters, the quality of product produced can be increased. For future works, the process of validating the model should be done in the different industrial or other machines for more satisfying result.

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