Vim li cas thiaj siv CBN log rau cov txheej txheem sab hauv
Aug 15, 2022
CBN sib tsoo log muaj siab hardness thiab hnav tsis kam, thiab cov khoom tshem tawm tus nqi ntawm CBN sib tsoo log yog siab dua li ntawm cov sib tsoo zoo tib yam. Siv cov yam ntxwv ntawm CBN abrasive log, CBN sib tsoo lub log tuaj yeem siv rau kev sib tsoo zoo, thiab tuaj yeem siv sijhawm ntev ntawm kev sib tsoo log, txhawm rau txhim kho kev sib tsoo. Kev sib tsoo lub log siv rau kev sib tsoo sab hauv muaj qhov tsis tshua muaj zog, sib tsoo lub log nrawm, tshem tawm cov nti nyuaj ntawm qhov chaw ua haujlwm, qhov chaw ua haujlwm tsis zoo, thiab qee qhov teeb meem hauv kev sib tsoo ntawm CBN sib tsoo log. Piv txwv li, lub workpiece yog nquag rau saum npoo corrugations, kev sib tsoo log hnav lub xeev tsis sib haum, thiab qhov loj thiab taper ntawm lub workpiece tsis ruaj khov.
Nto ripples yog tshwm sim los ntawm kev vibration, sib tsoo quab yuam, los yog ib tug ua ke ntawm ob
Ob qhov kev co qauv muaj feem xyuam rau qhov zoo li qub thiab dynamic rigidity ntawm lub tshuab cuab yeej nws tus kheej, thiab lub ntuj zaus ntawm lub txaj thiab lub ntsiab casting yuav tsum tau soj ntsuam thaum lub sij hawm tsim kom tsis txhob muaj resonance cheeb tsam. Tsis tas li ntawd, lub siab rigidity thiab zoo sib npaug ntawm cov xuab zeb log ncej yuav tsum tau xaiv kom tshem tawm qhov kev vibration. Kev hnav tsis sib xws thiab kev sib tsoo ntawm lub log sib tsoo yuav tsim ripple ntawm workpiece nto, thiab ripple ntawm workpiece nto nyob rau hauv lem yuav ua rau hnyav sib tsoo log hnav thiab txhaws. Yog li ntawd, nws yog ib qho tsim nyog yuav tau xaiv cov menyuam nrog qhov tsim nyog hardness, thiab coj cov kev hnav khaub ncaws tsim nyog thiab kev sib tsoo.
CBN vim yog cov yas tom qab ua tiav dua li qub kev sib tsoo quab yuam thiab kev sib tsoo tuaj yeem ua rau siab, nrog rau kev sib tsoo, sib tsoo nplej poob thiab nws tus kheej-sharpening nyhuv uas ntse rau kev sib tsoo log, sib tsoo quab yuam tau shrunk mus rau ib tug ruaj khov-lub xeev tus nqi lig sib tsoo log ncej deformation tends kom ruaj khov, thaum lub elastic deformation yuav txuas ntxiv los ntawm tsis muaj lub sij hawm spark muaj qee qhov kev rov qab los, tab sis qhov muag tsis pom kev sib tsoo inevitably cuam tshuam rau machining efficiency. Nyob rau hauv cov txheej txheem zoo sib tsoo yav dhau los, cov txheej txheem yuav tsum tau hloov kho kom haum rau qhov kev hloov ntawm kev sib tsoo quab yuam. Yog li, AE tuaj yeem siv los txheeb xyuas lub zog sib tsoo thiab txhim kho qhov sib tsoo quab yuam hauv lub sijhawm. Nyob rau hauv txoj kev no, elastic deformation ntawm lub kaw lus tshwm sim los ntawm kev hloov ntawm lub zog tuaj yeem raug tshem tawm, thiab qhov ruaj khov loj thiab taper tuaj yeem tau txais. Lub caij no, kev sib tsoo kub thiab qhov txawv txav ntawm lub log sib tsoo tuaj yeem tiv thaiv tau zoo, thiab kev pabcuam lub neej ntawm lub log sib tsoo tuaj yeem ntev.
Nyob rau hauv tus txheej txheem ntawm kev sib tsoo ID, kev sib tsoo log nto yuav tshwm sim qhov kev hloov pauv ntawm ob txoj hauv kev, ib qho yog lub sijhawm ntev ntawm kev txiav abrasive passivation maj mam, qhov xwm txheej zoo li no, lub zog ntawm abrasive yog siab dua, lwm qhov yog abrasive nrog kev nce ntawm Kev sib tsoo tsis sib haum yog me ntsis tawg tsis tu ncua, ua rau lub log sib tsoo hlau ntse nce, txo lub sijhawm sib tsoo, ua haujlwm zoo, Txawm li cas los xij, qhov roughness ntawm lub workpiece yuav maj mam deteriorate. Txhawm rau kom cov sib tsoo lub log nyob rau hauv kev sib tsoo zoo, lub log sib tsoo yuav tsum tau hnav hauv cov txheej txheem sib tsoo.
Lub CBN sab hauv sib tsoo log yog hloov kho los ntawm pob zeb diamond roller. Cov txheej txheem hnav khaub ncaws yog pom tau los ntawm kev sib txheeb ntawm cov pob zeb diamond roller thiab CBN sib tsoo log. Kev hnav khaub ncaws pub thiab hnav khaub ncaws nrawm piv muaj qhov cuam tshuam zoo rau kev sib tsoo ntawm CBN sib tsoo log tom qab hnav khaub ncaws. Kev sib tsoo quab yuam ntawm CBN sib tsoo log tom qab hnav khaub ncaws nrog kev hnav khaub ncaws loj dua qhov sib piv me me, tab sis lub workpiece nto roughness loj dua. Kev sib tsoo log tom qab hnav khaub ncaws yog ntse dua thaum siv cov hnav khaub ncaws loj dua. Lub sijhawm hnav khaub ncaws cuam tshuam rau kev sib tsoo lub log tsim khoom, kev pabcuam lub neej thiab kev ua haujlwm zoo. Muaj feem cuam tshuam rau kev hnav khaub ncaws nrog rau cov menyuam granularity, kev ua tiav, thaum ua tiav cov kev vibration thiab sib tsoo log hnav, xws li kev siv lub sijhawm tom qab ua tiav cov xwm txheej yog qhov muaj feem cuam tshuam rau kev tsim, thiab kev hloov kho cov txheej txheem, yog li kev xaiv tsim nyog tiav tshuab thiab hnav tsis kam. nyob rau saum npoo ntawm lub log sib tsoo topography qhov kev sib tsoo yog qhov tseem ceeb tshwj xeeb.
