资源描述：
《Theoretical analysis of stone sawing with diamonds》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、JournalofMaterialsProcessingTechnology123%2002)146±154TheoreticalanalysisofstonesawingwithdiamondsJanuszKonstantyUniversityofMining&Metallurgy,Al.Mickiewicza30,30-059Krakow,PolandAccepted15January2002AbstractAtheoreticalmodelofnaturalstonesawingbymeansofdiamondimpr
2、egnatedtoolsispresented.Itiswellknownfromthe®eldpracticethatstoneprocessingisamultidimensionalproblem.Therefore,therelevantsystemcharacteristicshavebeenidenti®edanddiscussed.Thechipcreationandremovalprocesshasbeenquanti®edwiththeintentionofassistingboththetoolmaker
3、andthestonemasoninoptimisingthetool%diamondimpregnatedsegment)compositionandsawingprocessparameters,respectively.#2002ElsevierScienceB.V.Allrightsreserved.Keywords:Stonesawing;Diamondimpregnatedtools1.IntroductionObviously,alltheabovementionedfactorsarecloselyinter
4、relatedthereforeeachofthemmayprovecriticalandStonesawingbymeansofdiamondimpregnatedseg-mustnotbeneglected.mentsconsistsinwearingawayitsmineralconstituentsbyTherearetwomainsawingmethods:circularsawingandpassingrigidgritsoverthemachinedsurface.Thediamondframesawing.c
5、rystals,actingascuttingedges,are®rmlyheldinamatrix,whicherodesprogressivelyexposingfreshparticleswhile2.Circularsawingthoseprotrudingsuf®cientlytocutaresubjectedtomechan-icaldegradationtobe®nallydislodged.Withcircularsawing,thebladerotatesinaconstantInordertoattain
6、theeconomicallybestsawingconditions,directionathighperipheralspeeds,usuallyinexcessoftheidealbalancebetweentoollifeandcuttingratehastobe25m/s.Thisleadstothedevelopmentofatailofmatrixachieved.Theharderthestonetobecut,thestrongerthebehindeachindividualdiamondparticle
7、whichactsasadiamondtypetobeselectedisageneralrulewhilethematrixsupportduringcutting.Schematicillustrationofthecuttinghastoerodeataratecompatiblewiththediamondbreak-zone,characteristicofcircularsawing,ispresentedinFig.1.down.Anincorrectchoiceofthematrixand/orthediam
8、ondToprovideenoughspaceforchipremoval,parameterstype,sizeandconcentrationyieldsatoolthatwearsawaycharacterisingthesawingoperationhavetobeconsider
