Thaum nws los txog rau tshem burrs los ntawm cam khwb cia hlau qhov chaw, lubdub silicon carbide sib tsoo logtau dhau los ua kev xaiv txhim khu kev qha rau ntau daim ntawv thov machining. Nws lub siab hardness, zoo heev hnav tsis kam, thiab superior thermal conductivity ua rau nws zoo tagnrho rau ceev ceev cov ntaub ntawv tshem tawm thaum tuav ruaj khov kev sib tsoo.
Nrog rau Mohs hardness ntawm kwv yees li 9.0, cov dub silicon carbide sib tsoo log yooj yim txiav los ntawm cov hlau cam khwb cia hlau burrs. Nws hnav tsis kam tso cai rau cov nplej abrasive nyob twj ywm siv tau ntev dua, ncua lub log lub neej thiab txo cov nqi hloov. Nyob rau tib lub sijhawm, nws cov thermal conductivity zoo heev hloov cov cua sov kom deb ntawm qhov chaw sib tsoo, txo qhov kev pheej hmoo ntawm kev kub hnyiab lossis cuam tshuam. Tsim los ntawm kev sib koom ua ke dub silicon carbide abrasives nrog cov khoom sib txuas tsim nyog, cov xim dub silicon carbide sib tsoo lub log muab kev ua haujlwm hnyav thiab ua tau zoo ib yam thoob plaws hauv kev sib tsoo.
Rough Sib Tsoo: Tshem tawm Burrs Nrawm
Lub hom phiaj ntawm Rough sib tsoo
Rough sib tsoo yog thawj theem ntawm cov txheej txheem deburring. Nws lub hom phiaj tseem ceeb yog tshem tawm cov burrs loj thiab cov khoom siv ntau dhau sai, tsim kom muaj qhov chaw tsim nyog rau kev ua tiav.
Xaiv txoj cai sib tsoo log
Rau kev sib tsoo ntxhib, coarse grit log xws li 46-60 grit feem ntau pom zoo vim tias lawv tshem tawm cov khoom zoo. Txij li cov hlau cam khwb cia kuj yog ib qho nyuaj, ib tug me ntsis softer log qib, xws li K-L, pab hnav abrasive grains tawg tawm thiab nthuav tawm cov npoo tshiab, tso cai rau cov dub silicon carbide sib tsoo lub log kom muaj kev ua haujlwm zoo ib yam.
Sib tsoo Parameters
Lub log ceev ntawm 20-30 m / s yog feem ntau haum rau kev sib tsoo ntxhib. Kev ceev ntau dhau yuav ua rau muaj cua sov ntau dhau, thaum tsis txaus ceev txo cov khoom tsim tau.
Tus nqi noj loj kuj txhim kho cov khoom tshem tawm, tab sis nws yuav tsum tsis txhob siab txaus ua rau kev sib tsoo ntau dhau los yog ua haujlwm deformation. Kev sib tsoo qhov tob ntawm 0.08-0.15 hli rau ib qho kev sib tw muaj qhov sib npaug zoo ntawm kev ua haujlwm thiab kev ruaj ntseg.
Tej teeb meem thiab kev daws teeb meem
Lub log loading yog ib qho teeb meem tshwm sim thaum lub sij hawm sib tsoo. Cam khwb cia hlau chips tuaj yeem txhaws lub log pores thiab txo kev ua haujlwm. Kev hnav khaub ncaws tsis tu ncua nrog lub pob zeb diamond dresser rov ua kom zoo dua qub, thaum qhib - lub log zoo txhim kho nti tshem tawm.
Workpiece hlawv yog lwm qhov teeb meem tshwm sim los ntawm kev sib tsoo ntau dhau. Cov dej txias txaus txaus pab txo qhov kub thiab kev sib txhuam. Yog tias cov cim hlawv tshwm, kev sib tsoo yuav tsum tau kho tam sim ua ntej txuas ntxiv.
Kev sib tsoo zoo: Ua tiav qhov siab -Ntoo zoo
Qhov tseem ceeb ntawm kev sib tsoo zoo
Kev sib tsoo zoo yog cov kauj ruam kawg hauv kev txhim kho qhov tseeb qhov tseeb thiab qhov chaw tiav. Tom qab kev sib tsoo ntxhib tshem tawm feem ntau cov burrs, cov txheej txheem no tshem tawm qhov tsis zoo ntawm qhov chaw me me thiab ua rau smoother, meej dua.
Xaiv lub Log Sib Tsoo Zoo
Kev sib tsoo zoo feem ntau xav tau 100-240 grit abrasives kom ua tiav qhov roughness qis. Ib daim ntawv cog lus vitrified (V) feem ntau xaiv vim nws muaj kev ruaj ntseg zoo heev, tshuaj tiv thaiv, thiab qhov tseeb. Qhov kev sib xyaw no tso cai rau cov xim dub silicon carbide sib tsoo lub log kom muaj kev sib tsoo zoo ib yam thoob plaws hauv cov txheej txheem tiav.
Fine Grinding Parameters
Kev sib tsoo zoo feem ntau siv lub log nrawm ntawm 30-40 m / s. Pub tus nqi raug txo mus rau 0.005-0.02 mm rau ib kis, thaum sib tsoo qhov tob yog txwv rau 0.002-0.005 mm ib kis kom ua tau zoo dua qhov tseeb thiab nto zoo.
Kev Tswjhwm Zoo Thaum Kev Sib Tsoo Zoo
Nto roughness yog ib qho tseem ceeb tshaj plaws ntsuas qhov zoo. Kev ua tiav ntawm Ra 0.8-3.2 μm ua tau raws li qhov yuav tsum tau muaj ntawm cov khoom siv tshuab feem ntau.
Flatness kuj tseem yuav raug tshuaj xyuas, tshwj xeeb tshaj yog rau cov khoom uas xav tau kev sib dhos kom raug lossis zawv zawg sib cuag. Thaum kawg, xyuas cov khoom ua haujlwm tiav rau khawb, hlawv cov cim, lossis tawg. Yog tias pom muaj qhov tsis xws luag, kho qhov sib tsoo tsis sib xws lossis hnav cov xim dub silicon carbide sib tsoo lub log ua ntej txuas ntxiv ntau lawm.
