
Saukewa: 06040-06024
Bulldozer bearings sune ainihin kayan aikin inji da ake amfani dasu don tallafawa sassa masu juyawa, rage juzu'i, da watsa kaya. Yawanci sun ƙunshi zobe na ciki (mating tare da shaft), zobe na waje (mating tare da gidaje), abubuwa masu jujjuyawa (ƙwallan ƙarfe, rollers, da sauransu), da keji (rabe abubuwan birgima). Kayansa galibi babban ƙarfe ne mai ɗaukar carbon chromium (kamar GCr15), wanda ke da tauri mai girma (taurin nau'in juriya ya kai HRC60-65), juriya, da juriya ga gajiya bayan maganin zafi. Zai iya daidaitawa da yanayin aiki mai tsanani na bulldozers irin su nauyi mai nauyi, rawar jiki, ƙura, da dai sauransu. Bisa ga nau'i na juzu'i, ana iya raba bearings bulldozer zuwa bearings (wanda ya rage raguwa ta hanyar abubuwa masu juyawa kuma an fi amfani da su) da kuma zamewa bearings (wanda aka goyan bayan zamiya gogayya, kamar bushings). Daga cikin su, mirgina bears sun zama fifikon abubuwan jujjuya maɓalli na bulldozers saboda ƙarancin juzu'i da saurin daidaitawa.1. Goyon bayan abubuwan jujjuyawa suna ba da radial da axial matsayi don abubuwan shaft (kamar tuƙi, ginshiƙan kaya) don tabbatar da aikin barga na sassa masu jujjuya (gears, sprockets, da dai sauransu) akan abubuwan da aka ƙaddara, guje wa girgiza ko karo da aka yi ta hanyar kashewa.Rage asarar gogayya2. Maida gogayya ta zamiya ta abubuwan da ke juyawa zuwa jujjuyawar juzu'i (ko ƙananan zamewar gogayya) ta hanyar abubuwa masu jujjuyawa (ko saman zamiya), rage asarar kuzari yayin watsa wutar lantarki, da haɓaka haɓakar watsawa.Daukewa da watsa lodi3. Ɗauki nauyin radial (kamar nauyin kai na shaft, ƙarfin radial na gear meshing) da kuma nauyin axial (kamar ƙarfin axial da aka haifar ta hanyar tura shebur na bulldozer) a lokacin aikin bulldozer, kuma aika nauyin zuwa harsashi ko firam don guje wa nakasawa kai tsaye na jikin shaft karkashin karfi.
Yanayin aikace-aikace na al'ada

Lokacin da bulldozers ke aiki (kamar tura ƙasa mai ƙarfi ko hawan tudu), bearings ɗin suna buƙatar jure babban nauyi mai tasiri (kamar ɗaukar nauyin ɗigon tuƙi da ke kaiwa sama da tan 10), don haka ya zama dole a zaɓi bearings tare da madaidaicin juzu'i (kamar naɗaɗɗen abin nadi bearings da kai{1}}), ƙarfafa juriya da ƙarfin juriya. abu.
2. Anti gurbatawa da rufewa
Wurin aiki yana da ƙura da laka, kuma ana buƙatar amfani da bearings tare da abubuwan rufewa (kamar hatimin mai da murfin ƙura):
Sassan da aka fallasa (kamar ƙwanƙwaran ƙafar waƙa) suna buƙatar hatimin mai leɓe biyu da murfin ƙura don hana laka da yashi shiga cikin hanyar tsere (ƙazanta na iya haifar da "lalata" na bearings, rage tsawon rayuwarsu da fiye da 50%);
Abubuwan da ke cikin akwatin gear sun dogara da lubrication na mai da hatimi, kuma ya zama dole don tabbatar da cewa akwatin gear ɗin ya zube.
3. Lubrication da zubar da zafi
Babban saurin juyi bearings (irin su gearbox spindle bearings) yana buƙatar lubrication tilas tare da man gear ( allura ta tashoshin mai) don cire zafi mai zafi (don guje wa gazawar maiko da yanayin zafi ya haifar);
Karamin mai nauyi - ɗorawa mai nauyi (kamar bucket pin roller bearings) yana buƙatar a shafa shi akai-akai tare da maiko (sau ɗaya a cikin awanni 200) don samar da fim ɗin mai da rage juzu'i.
Matsala: Farkon gazawar masu goyan bayan ƙafafu da tasirin dutse ya haifar. Magani:
Ɗauki layuka uku na ɗigon abin nadi (tare da haɓaka 50% na nauyi{1}}ƙarfin ɗaukar nauyi)
Haɓaka na Roller Logarithmic Curve (Haɓaka Rarraba damuwa)
Upgrade lubricating grease to fully synthetic lithium based grease (drip point>digiri 260)
2. Yanayin ginin dausayi:
Kalubale: gazawar rufewa ta hanyar kutsewar ruwa/lalashi · Ƙirar ƙira:
Hatimin mai leɓe biyu + hatimin ruwa mai ƙarfi (ƙimar mai hana ruwa IP68)
Ƙara tashoshin magudanar ruwa zuwa wurin zama (kamar ƙirar Caterpillar D6T)
3. Yin aiki a manyan yankuna masu tsayi:
· Batun zafi: Ƙananan zafin jiki na -50 digiri C yana haifar da maiko don ƙarfafawa. Ma'auni:
Pre cike da ƙananan man zaitun{0} don bearings (har yanzu yana iya gudana a -60 digiri C)
Zaɓi ƙarfe mai ɗaukar nauyi mai ƙarfi (Ƙarfin tasirin Charpy Yafi ko daidai da 100J)

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