Kayan rufe bawul muhimmin ɓangare ne na rufe bawul. Menene kayan rufe bawul? Mun san cewa an raba kayan rufe bawul zuwa rukuni biyu: ƙarfe da wanda ba ƙarfe ba. Ga taƙaitaccen bayani game da yanayin amfani da kayan rufewa daban-daban, da kuma nau'ikan bawul ɗin da aka saba amfani da su.
1. Roba mai roba
Cikakken halayen robar roba kamar juriyar mai, juriyar zafin jiki da juriyar tsatsa sun fi na robar halitta kyau. Gabaɗaya, zafin amfani da robar roba shine t≤150℃, kuma zafin robar halitta shine t≤60℃. Ana amfani da roba don rufe bawuloli na duniya,bawul ɗin ƙofar roba da ke zaune, bawuloli na diaphragm,rbawul ɗin malam buɗe ido na ubber, rbawul ɗin duba lilo na ubber da ke zaune (duba bawuloli), bawuloli masu matsewa da sauran bawuloli masu matsin lamba na musamman PN≤1MPa.
2. Nailan
Nailan yana da halaye na ƙananan ma'aunin gogayya da kuma juriya ga tsatsa. Ana amfani da nailan galibi don bawuloli na ƙwallo da bawuloli na duniya waɗanda ke da zafin jiki t≤90℃ da matsin lamba na musamman PN≤32MPa.
3. PTFE
Ana amfani da PTFE galibi don bawuloli na duniya,bawuloli na ƙofa, bawuloli na ƙwallo, da sauransu tare da zafin jiki t≤232℃ da matsin lamba na musamman PN≤6.4MPa.
4. Ƙarfe mai siminti
Ana amfani da ƙarfe mai ƙarfi donbawul ɗin ƙofa, bawul ɗin duniya, bawul ɗin toshewa, da sauransu don zafin jiki t≤100℃, matsin lamba na musamman PN≤1.6MPa, iskar gas da mai.
5. Babbitt gami
Ana amfani da Babbitt gami don bawul ɗin duniya na ammonia tare da zafin jiki t-70 ~ 150℃ da matsin lamba na musamman PN≤2.5MPa.
6. Garin ƙarfe
Kayan da aka fi amfani da su wajen haɗa ƙarfe da tagulla sune ƙarfe 6-6-3 na tagulla da ƙarfe 58-2-2 na tagulla. Tagulla da tagulla yana da juriyar lalacewa kuma ya dace da ruwa da tururi tare da zafin jiki t≤200℃ da matsin lamba na musamman PN≤1.6MPa. Sau da yawa ana amfani da shi a cikinbawuloli na ƙofa, bawuloli na duniya,duba bawuloli, bawuloli na toshewa, da sauransu.
7. Bakin ƙarfe na Chrome
Karfe mai bakin ƙarfe mai siffar chromium da aka fi amfani da shi shine 2Cr13 da 3Cr13, waɗanda aka kashe su kuma aka daidaita su, kuma suna da juriya mai kyau ga tsatsa. Sau da yawa ana amfani da shi a cikin bawuloli na kafofin watsa labarai kamar ruwa, tururi da man fetur waɗanda zafinsu ya kai ≤450℃ da matsin lamba na musamman PN≤32MPa.
8. Bakin karfe na Chromium-nickel-titanium
Karfe mai kama da chromium-nickel-titanium wanda aka fi amfani da shi shine 1Cr18Ni9ti, wanda ke da juriyar tsatsa, juriyar zaizayar ƙasa da kuma juriyar zafi. Ya dace da tururi, nitric acid da sauran hanyoyin da ke da zafin jiki t≤600℃ da matsin lamba na musamman PN≤6.4MPa, wanda ake amfani da shi don bawul ɗin duniya, bawul ɗin ƙwallo, da sauransu.
9. Karfe mai nitride
Matsayin ƙarfe mai nitride da aka fi amfani da shi shine 38CrMoAlA, wanda ke da kyakkyawan juriya ga tsatsa da kuma juriya ga karce bayan maganin carburizing. Ana amfani da shi sosai a cikin bawul ɗin ƙofar tashar wutar lantarki tare da zafin jiki t≤540℃ da matsin lamba na musamman PN≤10MPa.
10. Boronizing
Boronizing yana sarrafa saman rufewa kai tsaye daga kayan jikin bawul ko jikin diski, sannan yana yin maganin saman boronizing, saman rufewa yana da juriya mai kyau. Ana amfani da shi a cikin bawul ɗin busawa na tashar wutar lantarki.
Lokacin Saƙo: Yuni-10-2022
