MavavuSikuti amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana okha, komanso amagwiritsa ntchito malo osiyanasiyana, ndipo ma valve ena m'malo ovuta kugwira ntchito amakhala ndi mavuto. Popeza ma valve ndi zida zofunika kwambiri, makamaka ma valve ena akuluakulu, zimakhala zovuta kuwakonza kapena kuwasintha pakagwa vuto. Chifukwa chake, ndikofunikira kwambiri kuchita bwino ntchito yokonza ndi kukonza tsiku ndi tsiku. Tiyeni tiwone malangizo ena okhudza kukonza ma valve.
1. Kusunga ndi kuyang'anira tsiku ndi tsiku kwamavavu
1. Vavu iyenera kusungidwa m'chipinda chouma komanso chopanda mpweya wokwanira, ndipo malekezero onse awiri a njirayo ayenera kutsekedwa.
2. MavavuChosungidwa kwa nthawi yayitali chiyenera kufufuzidwa nthawi zonse, dothi liyenera kuchotsedwa, ndipo mafuta oletsa dzimbiri ayenera kuphimbidwa pamwamba pa ntchito yokonza.
3. Pambuyo pokhazikitsa, kuwunika pafupipafupi kuyenera kuchitika, ndipo zinthu zazikulu zowunikira ndi izi:
(1) Kuwonongeka kwa malo otsekera.
(2) Kuwonongeka kwa ulusi wa trapezoidal wa tsinde ndi mtedza wa tsinde.
(3) Kaya chodzazacho ndi chakale komanso chosagwira ntchito, ngati chawonongeka, chiyenera kusinthidwa pakapita nthawi.
(4) Valve ikakonzedwanso ndi kukonzedwa, mayeso ogwirira ntchito yotseka ayenera kuchitika.
2. Ntchito yokonza valavu ikapakidwa mafuta
Kusamalira akatswiri avalavuKukonza ndi kukonza valavu isanayambe komanso itatha, kumachita mbali yofunika kwambiri pa ntchito ya valavu popanga ndi kugwiritsa ntchito, ndipo kukonza koyenera komanso koyenera kudzateteza valavu, kupangitsa valavu kugwira ntchito bwino komanso kutalikitsa moyo wa valavu. Kukonza valavu kungawoneke ngati kosavuta, koma sichoncho. Nthawi zambiri pamakhala zinthu zina zomwe sizikuganiziridwa.
1. Vuto la kulowetsa mafuta mu valavu nthawi zambiri limanyalanyazidwa. Pambuyo poti mfuti yolowetsa mafuta yawonjezeredwa mafuta, wogwiritsa ntchito amasankha valavu ndi njira yolumikizira mafuta kuti agwire ntchito yolowetsa mafuta. Pali zinthu ziwiri: mbali imodzi, kuchuluka kwa mafuta omwe amalowetsa mafuta kumakhala kochepa, kulowetsa mafuta sikukwanira, ndipo pamwamba pake pamavalidwa mwachangu chifukwa cha kusowa kwa mafuta. Kumbali ina, kulowetsa mafuta mopitirira muyeso kumayambitsa kutaya. Izi zili choncho chifukwa palibe kuwerengera kolondola kwa mphamvu yotsekera mavalavu osiyanasiyana malinga ndi mtundu wa valavu. Mphamvu yotsekera imatha kuwerengedwa malinga ndi kukula ndi mtundu wa valavu, kenako kuchuluka koyenera kwa mafuta kumatha kulowetsedwa moyenera.
Chachiwiri, valavu ikapakidwa mafuta, vuto la kuthamanga kwa magazi nthawi zambiri limanyalanyazidwa. Pa nthawi yogwiritsira ntchito mafuta, kuthamanga kwa mafuta kumasintha nthawi zonse m'mapiri ndi m'zigwa. Kupanikizika kumakhala kotsika kwambiri, kuthamanga kwa chisindikizo kumatuluka kapena kulephera kwa magazi kumakhala kokwera kwambiri, doko lolowetsa mafuta limatsekedwa, mafuta omwe ali mu chisindikizo amalimba, kapena mphete yotsekera imatsekedwa ndi mpira wa valavu ndi mbale ya valavu. Nthawi zambiri, kuthamanga kwa mafuta kukakhala kotsika kwambiri, mafuta omwe amalowetsedwa nthawi zambiri amalowa pansi pa valavu, zomwe nthawi zambiri zimachitika m'ma valavu ang'onoang'ono a chipata. Ngati kuthamanga kwa mafuta kukukhala kokwera kwambiri, kumbali imodzi, yang'anani nozzle yolowetsera mafuta, ndikuyisintha ngati dzenje la mafuta latsekedwa; Kumbali ina, kuuma kwa mafuta, komwe njira yoyeretsera imagwiritsidwa ntchito kufewetsa mafuta otsekereza omwe alephera ndikuyiyika mafuta atsopano. Kuphatikiza apo, mtundu wotsekereza ndi zinthu zotsekereza zimakhudzanso kuthamanga kwa mafuta, mitundu yosiyanasiyana yotsekereza imakhala ndi kuthamanga kwa mafuta kosiyana, nthawi zambiri, kuthamanga kwa mafuta otsekereza olimba kumakhala kokwera kuposa chisindikizo chofewa.
Kuchita ntchito yomwe ili pamwambapa kukukhulupirira kuti ndikothandiza kwambiri pakuwonjezera nthawi yautumiki wavalavu, ndipo nthawi yomweyo, zingachepetsenso mavuto ambiri osafunikira.
Nthawi yotumizira: Sep-29-2024
