机械专业英语作文.doc

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1、题目：请你用英语就机械领域的一个主题（如车床，螺母等）写一篇科技短文，字数在200以上。Cuttingtools（车刀）Inmechanicalengineeringhigh-speeddevelopmenttoday,cuttingtoolsofdevelopmenthasbecomeanecessarycondition,butwealsowanttoknowthekindsoftoolsandapplicationsinordertocompletethecuttingwork,andmaintainthegoodli

2、feofcutter Accordingtotheshapeofthelathetools,wegenerallyusepointformpartofthecarhavethefollowingkinds1.Thethickcar,mainlyusedforcuttingalotofexcessthediametersizeclosetoneed2.Finecars,thisdaooil-stoneavailableknife,sothatthecarisverysmoothsurface.3.Cutting,onlyfor

3、endofcuttingpiece,canbeusedtocutmaterials.Turningpartofthejobisproduceanddealwithscrapsofparts,includingtheblade,andbrokenbrokenorrollonscrapsofstructure,scrapsdischargeorletstorethespaceofthechip,cuttingfluidssuchasthechannelstructureelements.Thecuttingtoolinpartb

4、ythemaincuttingedge,deputycuttingedgeswordface,Lord,beforeafterfaceandviceknifeknifeaftersurface,theknifesharpedgesinto.Thecuttingtoolpartsandhandledepartment(namelytheclampingpart)ofcombiningwaysmainlyhaveintegral,weldingtype,mechanicalclipsolidtypeandweldingmachi

5、neryclipsolidtype.Mechanicalclipsolidtypelathetoolscanavoidhardalloybladesinhightemperatureandstressofweldingcrack,andthehandlecanberepeateduse.Mechanicalclipsolidtypelathetoolswithscrewsandlinkingpieceisgenerallythebladeswillbeclamping,outfitcanturnablademechanica

6、lclipsolidtypelathetools.Afterusingbluntbladecanturnacontinuetouse,andparkingcutterreplacementtimeturningShort,thusachievedrapiddevelopmentThroughtheabovesomeintroduction,hopeeverybodycanbetterandfastercuttingofworkpiece.