机械毕业设计英文外文翻译105刀 具Word文件下载.docx
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Purpose
Uponcompletionofthisunit,studentswillbeableto:
*Roughandexplainthedifferencebetweenfinishing.
*Choosetheappropriatetoolforroughingorfinishingofspecialmaterialsandprocessing.
*RecognitionToolCuttingpartofthestandardelementsandperspective.
*Therighttoprotectthecutterblade.
*Listofthreemostwidelyusedtoolmaterial.
*DescriptionofeachofthemostwidelyusedknivesmadeofthematerialanditsprocessingofApplications.
*Spaceandinclinationtounderstandthedefinition.
*Grindingdifferenttools,plustheprincipleofspaceandinclination.
*Toidentifydifferentformsofspaceandtheinclinationtochoosetheapplicationofeachform.
Themainpointsofknowledge:
Rough-finishedalloysteelcastingmaterial
Scatteredsurpluscarbideceramicmaterials(junctionoftheoxide)Tool
WithachipbreakingthesurfaceroughnessoftheD-cutterknivesdiamonds
AfterKokflankbehindthestandardpointof(former)angleoff-chip
Sidefront-sideappearanceandtheoutlineoftheformerKok(I.Kok)
Grindingcarbontoolsteelfront-fastfinishinghornofrigidsteel
Doubleormultiple-sideflankbeforethedipangleobliqueangle
Surface-radiusSlicerootforcurling
Roughandfinishingtool
Cuttingspeedonlyinthesurfaceroughnessnotrequiredwhenitisnotimportant.Roughthemostimportantthingistoremovetheexcessmaterialscattered.Onlyinsurfaceroughnessofthefinishingtimeisimportant.Unlikerough,finishingtheslowprocessingspeed.ChipoffwiththeD-knives,betterthanthestandardpointofknives,inFigure9-10A,isdesignedforcuttingdepthanddesign,forexample,a5/16-inchboxcutterbladeofthemaximumdepthofcut5/16inches,andan8mmsquareblockwillbecuttingknivesCornerto8mmdeep,thistoolwillbeveryfastCornerblockremovalofsurplusmetal.Slicemeritsofthedealwiththat,inasmallbladewasclosethinning.Thistoolisalsoaverygoodfinishingtool.ButpleasedonotconfusethethinbandToolandTool-offcrumbs.Achip-offisactuallycounter-productivetooltocutoffthechipflakes.
AndthestandardtooloftheCorner,comparedwithchipbreakingtoolfortheCornerisinitsonandgetgrooving,Figure9-10B.ThistoolgenerallyusedtoblocktheCornerofroughfinishing.WhilethistoolCornerblockshavesufficientstrengthtocarryoutdeepcut,butthelongerthechipwillcutofftheplanearoundaftersheddingalotofaccumulation.Chipissobecausethetanglesandsharp,andtheoperatorisadangerous,sothisisachipfromtheneedtoaddresstheproblem.Double,ortriplethespeedofthefeedwillhelptoresolve,butthiswillrequiregreaterhorsepowerandstilleasilychipverylong.Becauseoftheslowprocessing,however,thisactionwillbeagoodtoolbutalsobecauseofthesmallrootradiusoftheprocessingwillbeasmoothsurface.Especiallywhenprocessinggreycastironespecially.
CuttingToolsappearance
Appearance,sometimescalledthecontourofthefloorplaniswhereyouseethevisionorthetopdownorlookatthesurface.Figure9-11illustratesomeofthemostcommonform,thosewhocouldbeonthecuttingtoolsandgrindingoutsuccessfullybeused.NationalStandardsinitsthread-cuttingtoolonatinyplanecanbeasGBthread,theAnglo-Americanunityandinternationalstandardsscrewthreads.Aspecialtooltooutlinethethreadoftheplaneistobegroundintothecorrectsize.
ToolsCornerfixed
Cornertoanumberofknivesaroundthe15degreeanglewhiletheotherknivesandcuttingofthestraight.WhenthemillinFigure9-12Aand9-12B,forexamplebythespaceandtheinclination,thesemustfactorintoconsiderationinthereview.Figure9-12BToolCornerblocktheangleiszero,comparedwith9-12Amapisaheaviercuttingtools,andthe9-12Amapwilltakemoreheat.Thesameamountofspaceinfrontofthetwocasesarethesame.
ToolCornerblockcomponentandtheangle
Figure9-13ToolCornerblockanintegralpartofthename,andplans9-14pointofthename,isthemachineryindustrystandards.
GrindingWheelToolCornerBlock
WhenthecutterisfixedinthemiddleofDao,ToolCornerblockcannotbethegrinding.Cannotdosoforthereasons:
becauseofthelargenumberofDaoandextraweight,makingCornertogetherwiththegrindingisaclumsyandinefficientway.Toomuchpressurecouldbeaddedtoroundonthesand.ThiscancausethewheelBengliewheelorbecauseofoverheatingandtheriftontheCornerTooldamage.TherearegrindingtothepossibilityofDao.
Grinding
Acraftsmaninhistoolbox,shouldalwaysbeasmallpocketlininggrindingtool.Aluminaliningagrindingtoolascarbontoolsteelandhighspeedsteeltooltool.Thesiliconcarbidelininggrindi