Sib sib zog nqus groove pob bearings feem ntau dais radial load, tab sis kuj tuaj yeem dais radial load thiab axial load. Thaum nws tsuas yog nyob rau hauv radial load, lub contact Angle yog xoom. Thaum qhov sib sib zog nqus groove pob bearing muaj qhov loj dua radial clearance, nws muaj qhov ua tau zoo ntawm kev sib cuag ntawm cov kabmob thiab tuaj yeem tiv taus cov axial loj dua. Kev sib txhuam coefficient ntawm qhov sib sib zog nqus groove pob bearing yog me me thiab qhov txwv ceev yog siab heev.
Tab sis vim hais tias muaj qhov sib txawv hauv qhov sib sib zog nqus groove pob bearing, cov nplhaib puab thiab sab nrauv yuav txav cov txheeb ze nyob rau hauv qhov kev txiav txim ntawm kev thauj khoom, uas yuav txo qhov hardness ntawm cov kabmob, ua rau axial thiab radial kev co ntawm cov kabmob, thiab kev ua haujlwm raug. thiab lub neej ntawm lub tshuab yuav raug cuam tshuam. Txhawm rau txo qhov kev vibration no, rau kev ua haujlwm siab thiab kev kub ceev cov cuab yeej siv tshuab, feem ntau hauv kev teeb tsa ntawm qhov sib sib zog nqus groove pob bearings yuav siv rau hauv cov txheej txheem preloading, uas yog hais tias, thaum lub installation ntawm cov kabmob yog muab ib qho radial lossis axial load, tshem tawm cov thawj clearance, thiab tuaj yeem ua rau cov kabmob lub cev thiab lub nplhaib sab hauv thiab sab nraud elastic deformation, thiaj li kom tsis txhob muaj kev sib raug zoo ntawm lub nplhaib puab.
Feem ntau, bearing qauv thiab preload nyiaj them txoj cai yog saws los tswj lub preload. Thaum qhov ceev tsis dhau thiab qhov ceev ntawm qhov sib txawv me me, cov hlau preload yog siv los thov cov preload, lub preload yuav hloov nrog cov cua sov ntawm cov shafting qhov chaw. Thaum qhov ceev yog qhov siab thiab qhov ceev ntau, cov khoom siv elastic preload tuaj yeem txo qhov cuam tshuam ntawm qhov kub thiab txias ntawm qhov preload. Nyob rau hauv txoj kev no, kev tswj ntawm preload yog heev zoo thiab yooj yim rau kev khiav lag luam, tab sis thaum lub bearing yog sib sau ua ke, nws preload yuav tsis tau kho.
Ua ntej, lub hom phiaj ntawm preloading
Preloading spindle bearing tuaj yeem ua rau pob thiab raceway tshem tawm qhov qub tshem tawm thiab daim ntawv elastic deformation. Thaum qhov sib sib zog nqus groove pob bearing bears lub load sab nraud, cov kabmob yuav muaj qee yam rigidity. Thaum cov kabmob raug ntsia rau hauv cov kev taw qhia rov qab mus rau sab nraud load, yuav tsis muaj clearance ntawm lub pob thiab raceway vim lub load sab nraud, thiaj li mus txhim kho qhov tseeb rotary ntawm spindle. Lub rigidity ntawm spindle yog nce thiab kev pab cuam lub neej ntev. Lub suab nrov kuj txo.
Ob, lub hauv paus ntsiab lus ntawm preloading
Feem ntau hais lus, qhov loj ntawm qhov preload yog txiav txim siab raws li qhov tseeb ntawm spindle rotation, ua hauj lwm load loj thiab ceev theem.
1, lub ntsiab ncej load yog me me, qhov tseeb ntawm kev sib hloov yog siab thiab qhov ceev yog tsawg, tuaj yeem nqa lub preload loj dua.
2, kev ua hauj lwm load yog loj, ceev yog siab, vim hais tias nws yog ib qho yooj yim mus tsim tshav kub expansion, nws yog tsim nyog los nqa ib tug me me pre-load.
Sib sib zog nqus groove pob bearing qauv tsim tsim nyog, tab sis kuj yuav tsum muaj kev sib deev, yuav muaj lub neej ntev. Lub laj thawj, kev ruaj ntseg thiab xwm txheej ntawm txhua qhov kev siv tshuab ntawm qhov sib sib zog nqus groove pob bearing tseem yuav cuam tshuam rau lub neej ntawm bearings. Kev kho cua sov thiab cov txheej txheem sib tsoo uas cuam tshuam rau qhov zoo ntawm qhov sib sib zog nqus groove pob bearings feem ntau ncaj qha cuam tshuam rau qhov tsis ua haujlwm ntawm bearings. Kev tshawb fawb ntawm cov txheej txheem metamorphic ntawm kev ua haujlwm ntawm qhov sib sib zog nqus groove pob bearing qhia tau hais tias kev tsim cov kabmob feem ntau yuav tsum tau mus los ntawm kev sib tsoo, kev kho cua sov, sib tsoo, tig thiab sib dhos. Kev sib raug zoo ntawm cov txheej txheem sib tsoo thiab cov kabmob nto zoo yog ze heev.
Seb lub installation ntawm qhov sib sib zog nqus groove pob bearing yog qhov tseeb cuam tshuam rau nws lub neej, qhov tseeb thiab kev ua haujlwm. Yog li ntawd, lub tuam tsev tsim thiab sib dhos yuav tsum tau kawm tag nrho cov installation ntawm sib sib zog nqus groove pob bearings. Kev teeb tsa yuav tsum tau ua raws li cov qauv kev ua haujlwm. Lub installation ntawm nyias-wall bearings yuav tsum ua raws li cov qauv ntawm cov kabmob, qhov loj thiab qhov sib txuam ntawm cov kabmob. Lub siab yuav tsum tau ncaj qha mus rau lub ntsej muag kawg ntawm lub nplhaib kaw ntom nti, thiab lub siab yuav tsum tsis txhob raug xa mus los ntawm lub cev dov.