PAGE\*MERGEFORMAT10TheSurfaceQuantityWhileMachineProcessesA.themachineprocessesthesurfacequantitytousetheinfluenceofthefunctiontothemachine(A)Thesurfacequantitytobeartowhetthesexualinfluence1.RoughdegreeofsurfacetobeartowhetthesexualinfluenceTheroughdegreeofsurfaceisverybigtotheinfluencethatthesparepartssurfacewearaway.Sayavalueofsurfacegenerallymoresmall,itwearsawaysexmoregood.Butroughdegreeofsurfacethevalueistoosmall,lubricantnoteasystorage,contactofthenoodleseasyoccurrencethemembergluestoconnect,wearingawaytoincreaseonthecontrary.Therefore,theroughdegreethatcontactfacehaveathebestvalue,itisworthtohavesomethingtodowiththeworkcircumstanceofthespareparts,workingtocarrythelotusenlargement,woreawaythequantityaggrandizementintheearlyyears,roughdegreeofsurfacethebestvaluealsoenlargement.2.ThesurfaceiscoldtomaketohardentobeartowhetthesexualinfluenceProcessthesurfacecoldtomaketohardentomakerubthevice-surfacelayerthemetalsofshowminutedetailsthedegreeofhardnessexaltation,pastcanmakebeartowhetthesexexaltationgenerally.Butisalsonotcoldtomaketohardenthedegreemorehigh,beartowhetsexmorehigh,thisisbecauseexcessivelycoldmaketohardenandwillcausetheexcesssivelooseofthemetalsorganizationloose,evenappearthecrackandsurfacelayermetalspeelingoff,makebeartowhetsextodescend.(B)ThesurfaceinfluenceofthequantityuponthetiredstrengthThetiredbreakagethatmetalsproduceafterbesubjectedtohandovertochangetocarrythelotusfunctionusuallytakesplaceunderthecoldandhardlayerofthesparepartssurfaceandsurfaces,thereforethesurfacequantityofthesparepartsaffectstothetiredstrengthverygreatly.1.ThesurfaceinfluenceoftheroughdegreeuponthetiredstrengthAthandovertochangetocarrythelotusfunctionunder,thesurfacepartofthecavevalleyoftheroughdegreecauseseasilyshouldthedintconcentration,producethetiredcrack.Avalueofsurfaceismorebig,thecrackleofthesurfaceismoredeep,thecracklebottomradiusismoresmall,theanti-tiredbreakagebottomabilityismorebad.2.Remainingdint,coldmaketohardentotheinfluenceofthetiredstrength