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Investigation on the Grinding Force of the Casted Nickel-based Superalloy K418 with a Vitrified CBN WheelChinese Full Text

Yang Changyong;Xu Jiuhua;Gu Shenshen;Ding Wenfeng;Fu Yucan;College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics;

Abstract: The grinding experiments are carried out by using the vitrified cubic boron nitride( CBN) wheels on the casted nickel-based superalloy K418. The grinding forces are measured on the various process parameters, including the wheel speed,workpiece speed and depth of cut,and the influencing law of process parameters on the grinding force,force ratio and specific energy are studied in details. The grinding force and force ratio increase with the increasing of workpiece speed,depth of cut and equivalent grinding chip thickness,and with the decreasing of wheel speed. The specific energy decreases with the increasing of equivalent grinding chip thickness. The experience formula of the grinding force with a vitrified CBN wheels is obtained and the relative error is less than 10%.
  • DOI:

    10.13433/j.cnki.1003-8728.2014.0507

  • Series:

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  • Classification Code:

    TG580.6

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