High- pob bearings ceev, ib hom dov bearing, feem ntau muaj plaub yam tseem ceeb: lub nplhaib sab hauv, lub nplhaib sab nraud, pob, thiab tawb. Cov nplhaib thiab cov khoom feem ntau yog tsim los ntawm cov khoom siv siab - zoo xws li siab -chromium steel kom ntseeg tau tias muaj zog, hardness, thiab hnav tsis kam, thaum lub tawb feem ntau yog ua los ntawm nylon kom txo qis lub zog rub. Cov evolution ntawm cov ntaub ntawv tawb tau nce los ntawm tooj dag lossis tooj liab (cov ntaub ntawv tseem ceeb nyob rau hauv lub xyoo pua 20th) mus rau stamped steel tawb; Xyoo 1970s pom cov khoom hloov pauv nrog kev qhia txog Nylon 66, thaum lub xyoo pua 21st - cov kev daws teeb meem siv fiber ntau -cov khoom siv ntxiv xws li PEEK (polyethers ether ketone).
Hais txog kev tsim qauv, quasi - qauv zoo li qub rau siab - ceev dov bearings tau tsim. Noj B7010C/P4 kev txhawb nqa bearing- siv nyob rau hauv ib qho kev xeem rig rau ib qho tshwj xeeb uas tsis yog- qauv aero- cav lub ntsiab ncej- raws li kev kawm, tus qauv raug daws los ntawm Newton-Raphson iteration txoj kev los txiav txim siab qhov cuam tshuam ntawm kev thauj khoom thiab kev sib cuag ntawm lub kaum sab xis, kev sib cuag thiab deformation. Tsis tas li ntawd, kev sib raug zoo ntawm raceway nto topography parameters thiab bearing kev ua tau zoo tau tsim. Los ntawm kev ntsuas thiab muab piv rau 3D nto topography ntawm puab -ring raceways los ntawm domestic thiab thoob ntiaj teb bearings ntawm tib tus qauv, txoj kev tshawb no validated cov hauj lwm zoo ntawm kaum parameters -Sa, Sz, Ssk, Sku, Sxp, Vmp, Vvc, Sdp, Sdr, thiab Spd{15} kev ua tau zoo ntawm tus cwj pwm.
