Kufotokozera mwatsatanetsatane kwa malangizo a pafupipafupi a mafuta odzola a unyolo wozungulira 12A

Kufotokozera mwatsatanetsatane kwa malangizo a pafupipafupi a mafuta odzola a unyolo wozungulira 12A

Monga chinthu chofala kwambiri chotumizira, unyolo wozungulira 12A umagwira ntchito yofunika kwambiri pazida zambiri zamakanika. Mkhalidwe wake wothira mafuta umagwirizana mwachindunji ndi moyo, magwiridwe antchito, komanso kudalirika kwa unyolo wozungulira. Nkhaniyi ifufuza mokwanira komanso mozama malangizo a pafupipafupi othira mafuta a unyolo wozungulira 12A kuti athandize ogwira ntchito yokonza zida ndi akatswiri ena ogwirizana nawo kumvetsetsa bwino ndikugwiritsa ntchito ntchito yothira mafuta.

1. Makhalidwe oyambira a unyolo wozungulira 12A
Unyolo wozungulira 12A ndi unyolo wozungulira wokhazikika wokhala ndi mtunda wa 12.7mm. Nthawi zambiri umapangidwa ndi ma rollers, manja, ma pin, ma plates amkati ndi ma plates akunja a unyolo. Unyolo wozungulira ukagwira ntchito, ma rollers amalumikizana ndi mano a sprocket, ndipo mphamvu imatumizidwa kudzera mukuzungulira kwa ma rollers, pomwe ma rollers ndi manja, ndi manja ndi ma pin zimakhala zotsetsereka kwambiri. Mtundu uwu wa kukangana umapangitsa kuti mafuta azikhala ofunikira kwambiri panthawi yogwira ntchito kwa unyolo wozungulira.

2. Kufunika kwa mafuta odzola pa unyolo wozungulira 12A
Kuchepetsa kutha: Mafuta odzola amatha kupanga filimu yamafuta pamwamba pa unyolo uliwonse wozungulira, zomwe zimapangitsa kuti zitsulo zisamagwirizane mwachindunji, zomwe zimachepetsa kwambiri kutha kwa zinthu monga ma rollers ndi manja, manja ndi ma pini, motero zimakulitsa moyo wa unyolo wozungulira.
Kuchepetsa kukana kukangana: Mafuta abwino amatha kuchepetsa kukangana kwa unyolo wozungulira panthawi yoyenda, kuchepetsa kutayika kwa mphamvu, kukonza magwiridwe antchito a ma transmission, motero kuchepetsa ndalama zogwirira ntchito ndi kugwiritsa ntchito mphamvu kwa zida.
Kuletsa dzimbiri: Mafuta odzola amatha kuphimba pamwamba pa chitsulo cha unyolo wozungulira, kuletsa zinthu zowononga monga chinyezi ndi mpweya kuti zisakhudze chitsulo, kuletsa unyolo wozungulira kuti usachite dzimbiri, ndikuonetsetsa kuti umagwiritsidwa ntchito bwino m'malo ovuta monga chinyezi.
Kutaya Kutentha: Pa nthawi ya liwiro lalikulu komanso katundu wolemera, mafuta odzola amathanso kuchotsa kutentha komwe kumachitika panthawi yogwira ntchito ya unyolo wozungulira, kuchita gawo lina lozizira, ndikuletsa unyolo wozungulira kuwonongeka chifukwa cha kutentha kwambiri.

3. Zinthu zomwe zimakhudza kuchuluka kwa mafuta odzola a unyolo wozungulira 12A
Malo Ogwirira Ntchito: M'malo ogwirira ntchito ovuta, monga malo okhala ndi kutentha kwambiri, chinyezi, fumbi, mpweya wowononga, ndi zina zotero, mafuta odzola amatha kuwonongeka, kulephera kapena kuipitsidwa, kotero mafuta odzola nthawi zambiri amafunika. Mwachitsanzo, pazida zonyamulira panja, unyolo wozungulira 12A ukhoza kukhudzidwa ndi mphepo ndi mvula kwa nthawi yayitali, ndipo kuchuluka kwa mafuta odzola kuyenera kuwonjezeredwa moyenera.
Kuchuluka kwa Ntchito: Pamene unyolo wa roller 12A ukugwira ntchito yaikulu, kupanikizika pakati pa ma friction pairs ake kumawonjezeka, kuwonongeka kumawonjezeka, ndipo kugwiritsa ntchito mafuta kumathamanga, kotero mafuta amafunika kubwezeretsedwanso mwachangu. Pa zinthu zopepuka, kuchuluka kwa mafuta kumatha kukhala kochepa.
Liwiro la Kuthamanga: Pa ntchito yothamanga kwambiri, kutentha kwa kukangana kwa unyolo wozungulira kumakhala koonekeratu, ndipo magwiridwe antchito a mafuta amachepa mwachangu. Nthawi yomweyo, chifukwa cha mphamvu ya centrifugal, mafuta amatha kutayidwa kuchokera pamwamba pa kukangana, zomwe zimafuna kuwonjezeka kwa kuchuluka kwa mafuta kuti mafuta apitirize kugwira ntchito. Mukathamanga mofulumira, nthawi yopaka mafuta imatha kukulitsidwa moyenera.
Njira Yopaka Mafuta: Njira zosiyanasiyana zopaka mafuta zimakhala ndi zofunikira zosiyanasiyana pa kuchuluka kwa mafuta. Mwachitsanzo, mukamagwiritsa ntchito mphika wamafuta kapena burashi yamafuta popaka mafuta nthawi ndi nthawi, nthawi zambiri zimakhala zofunikira kudziwa kuchuluka kwa mafuta kutengera nthawi yogwirira ntchito ya chipangizocho kapena maola ogwirira ntchito; pomwe njira zopaka mafuta zokha kapena mosalekeza monga kupopera mafuta, kupopera mafuta m'bafa, ndi kupopera mafuta, mafuta operekedwa amakhala okhazikika, ndipo nthawi yoperekera mafuta ndi kusintha mafuta ikhoza kusinthidwa malinga ndi momwe zinthu zilili. Kukhazikika kwa kuchuluka kwa mafuta operekedwa ndi kovuta, ndipo ndikofunikira kuganizira mokwanira magawo ogwirira ntchito a chipangizocho komanso momwe makina opaka mafuta amagwirira ntchito.

4. Malangizo okhudza kuchuluka kwa mafuta odzola pa unyolo wozungulira 12A
Malangizo onse: Munthawi yogwira ntchito bwino, pa unyolo wozungulira wothamanga pang'ono 12A, nthawi zambiri amalimbikitsidwa kupaka mafuta osachepera kamodzi pa sabata; ndipo unyolo wozungulira ukakhala ndi liwiro lochepa ndipo malo ogwirira ntchito ali bwino, kupaka mafuta maola 8 aliwonse kapena kuposerapo ndi chisankho chabwino.
Malangizo a pafupipafupi pa njira zosiyanasiyana zopaka mafuta:
Kupaka mafuta nthawi ndi nthawi pamanja: Ngati mafuta akugwiritsidwa ntchito pogwiritsa ntchito mphika wamafuta kapena burashi yamafuta, kuti muzigwiritse ntchito nthawi zonse, gwiritsani ntchito burashi kapena nozzle yopopera kuti mupaka mafuta okwanira kamodzi pa maola 8 aliwonse; pazida zogwiritsa ntchito nthawi ndi nthawi, mafuta amatha kuchitika musanayambe kapena mutatha kuyambitsa. Nthawi zina pomwe mafuta sakufunika kwambiri, nthawi yopaka mafuta imatha kuwonjezeredwa moyenera malinga ndi momwe zida zilili, koma nthawi yayitali siyenera kupitirira sabata imodzi.
Mafuta odzola: Mafuta odzola amathiridwa nthawi zonse m'mphepete mwa mbale ya unyolo kudzera mu chodzola mafuta. Kuchuluka ndi kuchuluka kwa mafuta kuyenera kukhala kokwanira kuti mafuta odzola omwe ali mu unyolo asasinthe kukhala ofiirira. Nthawi zambiri kuchuluka kwa mafuta odzola ndi madontho 4 mpaka 20 pamphindi (kapena kuposerapo), ndipo kuchuluka kwa madzi kumatha kusinthidwa malinga ndi liwiro, katundu ndi zinthu zina za unyolo wozungulira. Pa unyolo wozungulira wothamanga kwambiri, kuchuluka kwa madzi odzola mafuta kuyenera kuwonjezeredwa moyenera.
Mafuta odzola osambira: Gawo la pansi la unyolo wozungulira limamizidwa mu mafuta odzola, ndipo mulingo wa mafuta uyenera kufika pamzere wolumikizira unyolo pamalo otsika kwambiri a unyolo. Pansi pa mikhalidwe yabwinobwino yogwirira ntchito, mafuta odzola osambira osambira osambira ayenera kuyang'aniridwa ndikusinthidwa nthawi zonse, nthawi zambiri miyezi itatu iliyonse mpaka theka la chaka. Ngati zida zakhala zikugwira ntchito kwa nthawi yayitali kapena malo ogwirira ntchito ndi ovuta, nthawi yosinthira iyenera kufupikitsidwa.
Mafuta opaka: Mafuta opaka amathiridwa pa unyolo wozungulira pogwiritsa ntchito chopopera mafuta. Kuchuluka kwa mafuta opaka kumadalira kwambiri liwiro ndi kuchuluka kwa mafuta a chopopera mafuta. Zipangizo zikagwira ntchito bwino, bola kuchuluka kwa mafuta kuli kokwanira ndipo poto yamafuta ikagwira ntchito bwino, unyolo wopaka mafuta ukhoza kupakidwa mafuta mosalekeza. Komabe, kuti muwonetsetse kuti mafutawo akugwira ntchito bwino, ndikofunikirabe kuyang'ana nthawi zonse momwe mafuta opaka mafuta alili komanso kuchuluka kwa mafuta omwe akubwezeredwa, nthawi zambiri kamodzi pamwezi.
Kupaka mafuta mokakamiza: Pampu yozungulira imapereka mafuta opitilira kuti mafuta ayendetsedwe mu unyolo. Njira iyi yopaka mafuta imatha kuonetsetsa kuti unyolo wozungulira umapaka mafuta mokwanira pansi pa mikhalidwe yovuta yogwirira ntchito monga kuthamanga kwambiri komanso katundu wolemera. Pamene makina opaka mafuta akugwira ntchito bwino, ndikofunikira kusamalira ndikuyang'ana makina opaka mafuta nthawi zonse, monga kuwona momwe pompo ya mafuta imagwirira ntchito komanso momwe payipi yamafuta imagwirira ntchito kamodzi pa kotala, ndikudzaza mafuta opaka mafuta nthawi yake malinga ndi momwe mafuta opaka mafuta amagwirira ntchito.
Malangizo a pafupipafupi pa ntchito yapadera: M'malo otentha kwambiri, mafuta opaka amakhala ochepa thupi kapena ofooka, ndipo kuchuluka kwa mafuta opaka kuyenera kuwonjezeredwa moyenera. Mafuta apadera monga mafuta otentha kwambiri akhoza kuganiziridwa, ndipo mafuta opaka sayenera kuwonjezeredwa masiku 1 mpaka 2 aliwonse. M'malo ozizira, kuti chinyezi chisalowe mu unyolo wozungulira ndikuyambitsa dzimbiri, kuwonjezera pa kuwonjezera kuchuluka kwa mafuta opaka, mafuta opaka omwe ali ndi mphamvu zoteteza dzimbiri ayeneranso kusankhidwa. Mafuta aliwonse opaka sayenera kuphimba mbali zonse za unyolo wozungulira. M'malo odzaza fumbi, fumbi limasakanizidwa mosavuta mu mafuta opaka, zomwe zimapangitsa kuti unyolo wozungulira ukhale wochepa. Chifukwa chake, unyolo wozungulira uyenera kutsukidwa ndi kudzozedwa pafupipafupi, nthawi zambiri kamodzi pa sabata, ndipo mafutawo ayenera kubwezeretsedwanso nthawi ikatha kutsukidwa.

5. Njira yopaka mafuta ndi njira zodzitetezera
Njira yopaka mafuta:
Mafuta odzola mu chitini cha mafuta kapena burashi ya mafuta: Ikani chitini cha mafuta kapena burashi ya mafuta pambali yomasuka ya pini ya unyolo wozungulira ndi mpata pakati pa maulalo amkati mwa unyolo kuti muwonjezere mafuta kuti mafuta odzola alowe m'magawo osiyanasiyana a unyolo wozungulira.
Mafuta odzola: Pokhala ndi chipolopolo chosavuta, chitoliro cha mafuta chotengera chikho cha mafuta chimagwiritsidwa ntchito kutsitsa mafuta pansi. Pa unyolo wozungulira wa mzere umodzi, madontho 5-20 a mafuta amaperekedwa pamphindi imodzi. Pa liwiro lalikulu, chiwerengero cha mafuta odzola chiyenera kuwonjezeredwa moyenera.
Mafuta ophikira m'bafa: Gwiritsani ntchito chipolopolo chosalowa mafuta kuti unyolo udutse mu thanki ya mafuta. Mtunda wa h kuchokera pamwamba pa mafuta mpaka pansi pa unyolo wozungulira sungakhale wozama kwambiri. Ngati unyolowo wamira kwambiri pamwamba pa mafuta, zimakhala zosavuta kutentha ndi kuwonongeka pamene kutentha kwa mafuta kufika pamwamba pa 80℃. Kuzama kwa h kwa unyolo wozungulira nthawi zambiri kumakhala 6-12mm.
Kupaka mafuta opopera: Gwiritsani ntchito chipolopolo chosalowa mafuta, ikani mbale yopopera mafuta mkati mwa chipolopolocho, ndipo gwiritsani ntchito njira yopopera mafuta opopera. Liwiro lozungulira la mbale yopopera mafuta liyenera kuyikidwa pamwamba pa 200m/min. Pamene m'lifupi mwa unyolo ndi woposa 125mm, mbale yopopera mafuta iyenera kuyikidwa mbali zonse ziwiri. Kuzama kwa kumiza mafuta kwa mbale yopopera mafuta ndi 12-25mm, ndipo unyolo wozungulira sungathe kumizidwa mu mafuta.
Kupaka mafuta mokakamiza: Gwiritsani ntchito chipolopolo chosagwira mafuta, ndipo pampu ya mafuta imayendetsa kayendedwe ka mafuta kuti azizire pomwe mafuta amawonjezeredwa. Pa unyolo wa mzere wa n, mabowo odzaza mafuta ayenera kuyikidwa pa mizere ya n + 1 kuti zitsimikizire kuti mafuta azitha.
Zolemba:
Sankhani mafuta oyenera: Sankhani mtundu woyenera wa mafuta oyenera ndipo lembani malinga ndi momwe ntchito ya unyolo wozungulira 12A imagwirira ntchito, monga kutentha, liwiro, katundu, ndi zina zotero. Mwachitsanzo, mafuta okhala ndi kukhuthala kochepa, monga SAE10W, ayenera kusankhidwa pamalo otentha pang'ono; pomwe mafuta okhala ndi kukhuthala kwakukulu, monga SAE40 kapena SAE50, amatha kusankhidwa pansi pa kutentha kwambiri komanso katundu wolemera.
Onetsetsani kuti mafuta odzola ndi olondola: Mukadzaza mafuta, onetsetsani kuti mafuta odzola akhoza kulowetsedwa molondola m'zigawo zokangana pakati pa mbali yomasuka ya unyolo wozungulira ndi mbale yakunja ya unyolo ndi mbale yamkati ya unyolo, komanso mpata pakati pa chikwama ndi chozungulira, kuti mafuta asatayike komanso mafuta osakwanira.
Pewani kudzola mafuta mopitirira muyeso: Ngakhale kuti kudzola mafuta mopitirira muyeso n'kofunika, kudzola mafuta mopitirira muyeso kungayambitsenso mavuto ena, monga kuwonjezera kugwiritsa ntchito mafuta odzola, kupanga kutentha komwe kungayambitse kuwonongeka kwa mafuta odzola, komanso kuipitsa malo ogwirira ntchito. Chifukwa chake, kuchuluka kwa mafuta kuyenera kulamulidwa panthawi yodzola mafuta, ndipo mfundo yodzola mafuta moyenera iyenera kutsatiridwa.
Kuyang'anira ndi kukonza nthawi zonse: Mosasamala kanthu za njira yothira mafuta yomwe yagwiritsidwa ntchito, momwe mafuta amakhalira mu unyolo wozungulira uyenera kuyang'aniridwa nthawi zonse, ndipo pamwamba pa pini ndi chikwama cha unyolo ziyenera kuwonedwa kuti ziwone ngati pali kuwonongeka, mtundu, madontho a mafuta, ndi zina zotero, ndipo mavuto omwe ali mu dongosolo lothira mafuta ayenera kupezeka ndikuthetsedwa pakapita nthawi, monga kutsekeka kwa chitoliro cha mafuta, kulephera kwa pampu ya mafuta, kuchuluka kwa mafuta ochepa, ndi zina zotero, kuti zitsimikizire kuti dongosolo lothira mafuta likugwira ntchito bwino.

6. Kuweruza ndi njira zotsutsira mafuta osakwanira
Pakugwiritsa ntchito kwenikweni, ngati mafuta osakwanira apezeka, unyolo wozungulira 12A udzakhala ndi zizindikiro zina zoonekeratu, monga zizindikiro za kugwedezeka kwa ulusi pamwamba pa pini ndi chikwama cha unyolo, kapena pamwamba pake pali wofiira kapena bulauni wakuda. Zinthu izi zikapezeka, njira zotsatirazi ziyenera kutengedwa nthawi yomweyo: Choyamba, siyani zida, fufuzani bwino unyolo wozungulira, chotsani dothi ndi zinyalala zomwe zimayambitsidwa ndi kuwonongeka; chachiwiri, onjezerani kapena sinthani mafuta okwanira opaka, ndikudzozanso mafuta motsatira njira yoyenera yopaka mafuta; pomaliza, zida zitayambiranso, yang'anirani momwe unyolo wozungulira umagwirira ntchito, monga ngati pali phokoso losazolowereka, kugwedezeka, ndi zina zotero, kuti muwonetsetse kuti vuto la mafuta lathetsedwa bwino.

7. Mfundo zofunika posankha mafuta odzola
Mtundu wa mafuta oyambira: Mafuta odzola ochokera ku mafuta a mchere ali ndi mphamvu yabwino yodzola komanso sawononga ndalama zambiri, ndipo ndi oyenera kugwiritsidwa ntchito nthawi zonse; mafuta odzola ochokera ku mafuta opangidwa ali ndi kutentha kwakukulu, kukana okosijeni bwino komanso kukana kuwonongeka, ndipo ndi oyenera kutentha kwambiri, kuthamanga kwambiri, katundu wolemera komanso zinthu zina zovuta kugwira ntchito.
Kukhuthala: Pa kutentha kogwira ntchito, kukhuthala kwa kayendedwe ka unyolo wozungulira kuyenera kulamulidwa pa 20-40mm²/s. Kukhuthala kochepa kwambiri kungayambitse mphamvu yosakwanira ya filimu yamafuta ndipo sikungathe kusiyanitsa bwino kukangana kwa pamwamba pa chitsulo; kukhuthala kwakukulu kwambiri kudzawonjezera kukana kwa mafuta opaka ndikuchepetsa mphamvu yotumizira. Chifukwa chake, mafuta okhala ndi kukhuthala koyenera ayenera kusankhidwa malinga ndi zinthu monga kutentha kogwirira ntchito ndi liwiro la unyolo wozungulira. Mwachitsanzo, pamalo otentha pang'ono, mafuta okhuthala otsika amatha kusankhidwa; pomwe kutentha kwambiri komanso kuthamanga kwambiri, mafuta okhuthala kwambiri kapena mafuta ayenera kusankhidwa.
Zowonjezera: Mafuta odzola okhala ndi zowonjezera zotsutsana ndi kusweka amatha kuchepetsa bwino kusweka kwa maunyolo ozungulira pansi pa mikhalidwe yokangana; zowonjezera zotsutsana ndi kusweka zimatha kukulitsa moyo wa mafuta odzola ndikuletsa mafuta kuti asawonongeke msanga; zowonjezera zotsutsana ndi dzimbiri zimatha kuletsa maunyolo ozungulira kuti asachite dzimbiri m'malo onyowa. Malinga ndi malo ogwirira ntchito ndi zofunikira za unyolo wozungulira, ndikofunikira kwambiri kusankha mafuta okhala ndi zowonjezera zofanana.

8. Kusanthula momwe zinthu zilili pakugwiritsa ntchito
Nkhani 1: Zipangizo zonyamulira za fakitale zimagwiritsa ntchito unyolo wozungulira 12A ngati unyolo wotumizira. Malo ogwirira ntchito ndi ouma pang'ono, kutentha kumakhala kocheperako, ndipo liwiro logwirira ntchito ndi lotsika. Fakitale imagwiritsa ntchito njira yodzola mafuta nthawi zonse, kudzola unyolo wozungulira kamodzi pa sabata, pogwiritsa ntchito lubricant ya L-AN68. Pambuyo poyang'anitsitsa kugwiritsidwa ntchito kwa nthawi yayitali, kutopa kwa unyolo wozungulira kumakhala bwino ndipo nthawi yogwira ntchito imakwaniritsa zofunikira zomwe zikuyembekezeredwa. Izi zikusonyeza kuti pansi pa mikhalidwe yoyenera yogwirira ntchito, kuchuluka koyenera kwa mafuta ndi kusankha mafuta kumatha kutsimikizira bwino kuti unyolo wozungulira 12A ukugwira ntchito bwino.
Nkhani 2: Pa mzere wopanga wa kampani yopanga magalimoto, unyolo wozungulira 12A umagwiritsidwa ntchito kuyendetsa zida zina zothamanga kwambiri. Malo ogwirira ntchito ndi ovuta, okhala ndi mafuta ndi fumbi. Pofuna kukwaniritsa zosowa za mafuta, kampaniyo idagwiritsa ntchito njira yokakamiza yopopera mafuta. Mafutawo ndi mafuta opangidwa ndi ntchito yapamwamba kwambiri. Kuchuluka kwa mafuta ozungulira kumayendetsedwa ndi makinawo, ndipo mafuta amasinthidwa nthawi yeniyeni malinga ndi magawo ogwirira ntchito a zidazo. Mwanjira imeneyi, mphamvu ya mafuta ozungulira 12A m'malo othamanga kwambiri komanso oipitsidwa imatsimikizika bwino, kulephera kwa zida chifukwa cha mafuta osakwanira kumachepa, ndipo kudalirika ndi magwiridwe antchito a zida zopangira kumawonjezeka.

9. Mafunso Ofunsidwa Kawirikawiri
Funso 1: Kodi mungadziwe bwanji ngati unyolo wozungulira 12A ukufunika mafuta?
Yankho: Kuwonjezera pa kuweruza poona momwe mafuta alili pamwamba pa unyolo wozungulira, zizindikiro za kuwonongeka kwa mapini ndi manja a unyolo, ndi zina zotero, momwe mafuta alili zingathenso kuganiziridwa potengera momwe zipangizozo zimagwirira ntchito, monga ngati pali phokoso losazolowereka, kugwedezeka kwakukulu, ndi zina zotero. Kawirikawiri, pamene unyolo wozungulira umatulutsa phokoso loopsa kapena kugwedezeka kosazolowereka panthawi yogwira ntchito, zingasonyeze kuti mafuta sakukwanira. Kuphatikiza apo, mungathenso kunena za nthawi yogwirira ntchito kapena maola ogwirira ntchito a zipangizozo ndikupaka mafuta malinga ndi dongosolo lopaka mafuta lomwe lakhazikitsidwa kale.
Funso 2: Kodi mitundu yosiyanasiyana ya mafuta ingasakanizidwe?
Yankho: Mitundu yosiyanasiyana ya mafuta odzola ingasiyane mu mafuta oyambira, zowonjezera, ndi zina zotero. Kusakaniza kungayambitse kuti mafuta odzola awonongeke, mvula, kugawikana, ndi zina zotero, zomwe zingakhudze momwe mafuta amagwirira ntchito. Chifukwa chake, yesani kupewa kusakaniza mitundu yosiyanasiyana ya mafuta odzola. Ngati mtundu wa mafuta odzola uyenera kusinthidwa, mafuta akale omwe ali mu unyolo wozungulira ndi makina odzola ayenera kutsukidwa bwino asanasinthe kuti atsimikizire kuti mafuta atsopano akugwiritsidwa ntchito bwino.
Funso 3: Kodi ndikofunikira kugwiritsa ntchito mafuta osiyanasiyana odzola unyolo wa 12A nthawi yozizira ndi chilimwe?
Yankho: Inde. Popeza kutentha kumakhudza kwambiri kukhuthala kwa mafuta, kutentha kumakhala kochepa m'nyengo yozizira, kukhuthala kwa mafuta kumawonjezeka, kusinthasintha kwa mafuta kumachepa, ndipo sikungaperekedwe ku zigawo zosiyanasiyana za unyolo wozungulira pakapita nthawi. Chifukwa chake, m'nyengo yozizira, mafuta okhala ndi kukhuthala kochepa komanso magwiridwe antchito abwino otsika kutentha, monga mafuta a SAE10W kapena L-AN46, ayenera kusankhidwa; m'chilimwe, kuti tipewe kutayika kwa mafuta chifukwa cha kukhuthala kochepa kapena kulephera kupanga filimu yamafuta yogwira ntchito, mafuta okhala ndi kukhuthala kwakukulu, monga mafuta a SAE30 kapena L-AN100, ayenera kusankhidwa kuti agwirizane ndi kusintha kosiyanasiyana kwa kutentha kwa mlengalenga ndikuwonetsetsa kuti kukhuthala kwa unyolo wozungulira 12A kumakhudza mafuta.

Mwachidule, kuchuluka kwa mafuta odzola a unyolo wa roller 12A kuyenera kuganiziridwa mokwanira ndikutsimikiziridwa moyenera kutengera zinthu zosiyanasiyana monga malo ogwirira ntchito, kuchuluka kwa ntchito, liwiro loyendetsa, ndi njira yodzola. Kudzera mu kayendetsedwe ka sayansi ya mafuta odzola ndi njira zolondola zodzola, kuvala kwa unyolo wa roller 12A kumatha kuchepetsedwa bwino, nthawi yake yogwirira ntchito imatha kukulitsidwa, ndipo magwiridwe antchito okhazikika a zida ndikuwongolera magwiridwe antchito opangira zitha kutsimikizika. Mu ntchito zenizeni, dongosolo lodzaza mafuta liyenera kupangidwa molingana ndi momwe zinthu zilili ndikugwiritsidwa ntchito mosamala malinga ndi dongosololi. Nthawi yomweyo, kukonza ndi kuyang'anira zida tsiku ndi tsiku kuyenera kulimbikitsidwa kuti mupeze mwachangu ndikuthetsa mavuto omwe amabwera panthawi yodzola mafuta kuti muwonetsetse kuti unyolo wa roller 12A nthawi zonse umakhala wabwino.