Cov roj twg zoo tshaj plaws rau cov saw hlau caij tsheb kauj vab roob?

1. Yuav xaiv roj twg rau cov saw tsheb kauj vab:
Yog koj tsis muaj nyiaj ntau, xaiv cov roj av, tab sis nws lub neej siv ntev dua li cov roj synthetic. Yog koj saib tag nrho cov nqi, suav nrog kev tiv thaiv kom tsis txhob xeb thiab xeb ntawm cov saw hlau, thiab rov ntxiv cov sijhawm ua haujlwm, ces nws pheej yig dua los yuav cov roj synthetic. Txuag zog.
Cov roj hluavtaws hauv khw muag khoom feem ntau muab faib ua ob hom: 1. esters thiab 2. silicone roj.
Cia peb tham txog hom thawj ua ntej: Qhov zoo tshaj plaws ntawm ester yog tias nws muaj permeability zoo heev thiab tuaj yeem nkag mus rau hauv qhov sib txawv ntawm lub bushing center thiab lub phaj sab ntawm cov saw hlau (nco ntsoov, qhov kev txav ntawm cov saw hlau yog tshwm sim los ntawm kev hnav ntawm lub bushing center thiab lub phaj sab. Yog lawm, qhov xav tau lubrication tiag tiag yog sab hauv, tsis yog qhov chaw ntawm cov saw hlau. Cov roj ntawm qhov chaw tsuas yog tiv thaiv xeb. Yog tias qhov chaw xav tias qhuav thiab tsis muaj roj, koj yuav tsum tsuag roj saw hlau dua).
Cia peb tham txog qhov thib ob: Qhov zoo tshaj plaws ntawm cov roj silicone yog tias nws muaj kev tiv thaiv dej zoo, tab sis nws qhov permeability tsis zoo. Cov roj zaj duab xis yooj yim tawg, ua rau lubricity tsis zoo thiab hnav ntau dua ntawm cov saw hlau. Yog li ntawd, cov khoom siv roj silicone muaj txiaj ntsig zoo dua thaum siv rau ntawm cov chaw swb.
Thaum kawg, feem ntau hais lus, cov esters muaj cov nyhuv zoo dua rau cov saw hlau thiab tsim nyog dua li cov roj saw hlau dua li cov roj silicone, uas tsis tshua lo rau hauv av. Ob leeg muaj lawv qhov zoo thiab qhov tsis zoo, nws nyob ntawm seb qhov twg haum rau koj cov phooj ywg.

2. Cov kev cai ntawm cov roj nplua nyeem rau kev sib kis ntawm cov saw tsheb kauj vab:
1: Muaj permeability zoo heev
2: Nws yuav tsum muaj kev nplaum zoo heev
3: Kev ua haujlwm zoo heev
4: Kev ruaj khov zoo heev
5: Muaj qhov poob qis me me heev
6: Muaj peev xwm zoo los tiv thaiv cov teebmeem sab nraud
7: Nws muaj cov yam ntxwv ntawm kev dawb ntawm kev ua qias tuaj