DRILLING OF ENGINEERING CERAMICS WITH COMBINATION OF ULTRASONIC VIBRATIONS AND ABRASIVE SLURRY
High hardness, Lack of ductility, and low resistance to thermal shock, often result in low material removal rate and subsurfacedamage,whichmaylead to a spontaneous fracture during machining for engineering ceramics.Ultrasonic machining is a mechanical material removal method thatisappropriate tocreate holes in hard and brittle materials by means of an ultrasonically vibrating properly-shaped tool and abrasive slurry.In this article modal analysis is used to choose the best shape for wave transfcrwhich is called horn.A desktop CNC milling machine is used to create feed motion on ultrasonic head.Effects of input factors:power, abrasive grit size,slurry concentration andfced rate areanalyzedby Taguchi method on the material removal rate (MRR), tool wear rate (TWR) and hole over size (HOS).The results imply that among input parameters, power has the most effect on MRR.also grit size and feed rate have the mosteffectson TWR and HOS.
Ultrasonic Machining Taguchi Method Modal Analysis.Engineering Ceramic
S.M.HOSEINI J.AKBARI M.GHAHRAMANI_NICK
Islamic Azad University,Science and Research Branch,Tehran,Iran Center of Excellence in Design,Robotics and AutomationSchool of Mechanical Engineering,Sharif Univer
国际会议
3rd International Conference on Mechanical and Electrical Technology(ICMET2011) (2011第三届机械与电气技术国际会议)
大连
英文
509-515
2011-08-26（万方平台首次上网日期，不代表论文的发表时间）