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Optimisation of drilling parameters on St37 based on Taguchi method

  • Javad Samavi
  • Masoud Goharimanesh
  • Aliakbar Akbari
  • Enayatolah Dezyani
Technical Paper
  • 91 Downloads

Abstract

Today, machining processes have become one of the most widely used methods in extensive production parts and drilling is one of the widely used machining processes in manufacturing. Almost 25% of the average time of machining process is for drilling. As a result, drilling during the production process is a bottleneck, and this is very evident in silos companies. Some difficulties associated with drilling in these companies are substantial problems, and they try to optimise their process. In this regard, the drilling process and its impact parameters are determined. By examining the factors and levels of machine and twist drill, the experimental design is done, and some factors such as spindle speed, feed rate, point angle, and clearance angle are taken into account. So, Taguchi method is performed and their results are analysed by signal-to-noise criterion, response surface method, and analysis of variances. According to some studies, two quantities of force and torque are considered as the output of the process simultaneously. Finally, by using signal-to-noise ratio (SNR) analysis, the optimum amounts of torque are determined for spindle speed, feed rate, point angle and clearance angle as is 320 rpm, 0.13 mm/min, 128° and 10°, respectively, and optimum amounts for force module are calculated as the previous values, while the point and clearance angles have been changed to 118° and 14°, respectively.

Keywords

Optimisation Drilling Thrust force Torque Taguchi method RSM ANOVA 

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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2018

Authors and Affiliations

  1. 1.Mechanical Engineering DepartmentFerdowsi University of MashhadMashhadIran
  2. 2.Montazeri University of MashhadMashhadIran

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