Lub dynamic load thiab static load ntawm ib tug bearing yog ib qho tseem ceeb tsis siv los ntsuam xyuas nws load-nqa peev xwm. Ntawm no yog ib qho kev faib ntawm txhua qhov:
1. Dynamic Load: Lub dynamic load yog hais txog lub siab tshaj plaws load uas ib tug bearing muaj peev xwm txhawb nqa thaum tuav txhim khu kev qha kev khiav hauj lwm nyob rau hauv dynamic (rotating los yog oscillating). Nws suav rau kev sib xyaw ua ke ntawm radial thiab axial loads uas ua rau cov kabmob thaum lub sijhawm ua haujlwm. Lub dynamic load ntsuas (C) feem ntau yog muab los ntawm cov chaw tsim khoom bearing thiab sawv cev rau tus nqi thauj khoom uas cov kabmob tuaj yeem tiv taus rau lub neej kev ntsuas (feem ntau yog ib lab rotations) yam tsis muaj kev qaug zog lossis kev puas tsuaj.
2. Static Load: Lub load zoo li qub yog hais txog qhov siab tshaj plaws uas cov kabmob tuaj yeem txhawb nqa yam tsis muaj deformation mus tas li lossis puas tsuaj thaum so (nyob ruaj ruaj lossis qeeb qeeb heev). Nws yog feem ntau siab tshaj qhov dynamic load vim tsis muaj kev ntxhov siab ntxiv qhia los ntawm dynamic motion. Qhov kev ntsuas zoo li qub (Co) muab los ntawm cov chaw tsim khoom sawv cev rau tus nqi thauj khoom uas cov kabmob tuaj yeem tswj hwm nws cov qauv kev ncaj ncees yam tsis tas yuav deformation.
Kev xam qhov ntsuas lub neej ntawm cov kabmob yuav suav nrog kev kwv yees lub neej kev ua haujlwm raws li qhov siv tau, nrawm, thiab lwm yam. Kev ntsuam xyuas lub neej yog tus naj npawb ntawm cov kiv puag ncig lossis cov sijhawm ua haujlwm uas tuaj yeem ua tiav los ntawm ib feem pua ntawm ib pawg ntawm cov kabmob uas zoo ib yam. Cov qauv yooj yim los xam qhov ntsuas lub neej (L₁₀) ntawm cov kabmob yog muab los ntawm:
L₁₀ = (C/P)ᵖ
Qhov twg:
L₁₀=Kev ntsuas lub neej hauv ntau lab tus kiv puag ncig
C=Basic dynamic load ntsuam xyuas ntawm cov kabmob
P=Sib npaug dynamic bearing load
ᵖ=Exponent, feem ntau 3 rau pob bearings thiab 10/3 rau cov menyuam bearings
Qhov sib npaug dynamic bearing load (P) txiav txim siab qhov sib xyaw ua ke ntawm radial thiab axial loads ua haujlwm ntawm cov kabmob. Rau ib leeg-txoj kev axial loads, qhov sib npaug load yog xam raws li qhov tseeb axial load ntxiv rau suav radial load tivthaiv (Fr/3) tshwm sim los ntawm axial load. Rau radial loads, qhov sib npaug load yog sib npaug rau qhov tseeb radial load.
Nws yog ib qho tseem ceeb los txiav txim siab txog yam xws li kev khiav hauj lwm, kev sib kis, lubrication, thiab mounting / configurations los txiav txim qhov tsim nyog xaiv thiab kev ntseeg siab ntawm bearings. Thaum lub sij hawm ntsuas lub neej muab kev kwv yees zoo, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov kev khiav hauj lwm muaj peev xwm sib txawv, thiab qhov tseeb ntawm lub neej yuav txawv. Kev sab laj bearing manufacturers thiab siv cov software tshwj xeeb lossis cov cuab yeej suav hauv online tuaj yeem pab tau kom tau txais qhov tseeb qhov ntsuas lub neej kwv yees rau cov ntawv thov tshwj xeeb.