超硬刀具材料電火花線切割加工（WEDM）加工參數(shù)的試驗(yàn)研究.pdf

1、岔出：分類號——UDC——Y777970密級——事中斜技大薯碩士學(xué)位論文超硬刀具材料電火花線切割加工(WEDM)hi_T_參數(shù)的試驗(yàn)研究學(xué)位申請人：學(xué)科專業(yè)：指導(dǎo)教師：王軍機(jī)械工程陳和平教授論文答辯日期ZQQ量生璺旦至2目學(xué)位授予日期——答辯委員會主席奎世甚評閱人魃國奎窒呈燮耋墓華中科技大學(xué)碩士學(xué)位論文AbstractSuperhardcuttermaterialssuchasPCDPCBNCVDplayanimportantroiei

2、nmodemmanufacturetechnologybecauseoftheirgoodcuttingperformanceTheyarecalledasthecurermaterialfor213‘centurywithunexampledadvantageandwideprospectinhighspeedprocessing，greenmanufacturing，machiningforcuttingmaterialdiffic

3、ulttodealWeatherthesecurerarewidelyusedisameasurementevenadoptedbyauthorityinstitutetojudgethemanufactureadvancementofcountryHoweveLthesematerialhavenotbeenwidelyusedinChinainthattheyhavespecialSllUCtureandphysical&chemi

4、calperformancewhichleadtodifficultmachiningbyWEDM，F(xiàn)irstly，machiningprincipleandaffectfactorofproductefficiencyarestudied，andstrtlctule，physical&chemicalperformancearecompletelyanalyzed]hen，possiblereason“tolowproducteffi

5、ciencyofWEDMandfeasiblewaytoimproveproductefficiencyareindicatedespeciallymaxvalueofvoltage，electriccurrentandpulsewidthSecondlyredesign，retestandreassemblehi曲frequencypulsepowersourcewithSCMtechnologyAtIast，onthebasisof

6、mathphysicsstatistics，designtheorthogonaltestsheettWOkindofmateriallikePCDandPCBNaremachined，andthen，ateamoftestdataarerecordedAfteranalysisofthetestdatatherelationbetweenmachiniugeffectandtechnicalfactorofWEDMmaterialar

7、egotTheoptimaltechnicalparametersareselectedfromdifferentmachiningmaterialAconclusionisconcludedthatproductefficiencycallbewidelyimprovedbyincrea5ingthemaxvalueofpulsevoltagebutimprovednothingbyincreasingthepulsewidthKey