Dajin da ke ɗauke da crankshaft.
Ana kiran tayal ɗin da aka ɗora a kan maƙallan da aka gyara na crankshaft da silinda kuma suna taka rawar ɗaukar nauyi da shafawa galibi ana kiransu da faifan bearing crankshaft.
Gabaɗaya, bearing ɗin crankshaft ya kasu kashi biyu: bearing da flanging bearing. Ba wai kawai bearing ɗin flanged zai iya tallafawa da kuma shafa masa man crankshaft ba, har ma zai iya taka rawar matsayin axial na crankshaft.
ƙaramar lamba
Ya kamata a ga maƙallan tayal ɗin biyu a gefe ɗaya, kuma idan sandar da ke ɗauke da sandar da ke haɗe ta musamman a ɓangarorin biyu, sai a ga alamun da ke gefen sandar da ke haɗe.
Tsawon ɗaurin
Ana ɗora sabon bearing a cikin ramin kujera, kuma kowane ƙarshen sassan biyu na sama da na ƙasa ya kamata ya fi girman 0.03-0.05mm sama da matakin wurin zama na bearing. Don tabbatar da cewa harsashin bearing da ramin wurin zama sun dace sosai, inganta tasirin watsa zafi.
Hanyar gwaji don duba tsawon bishiyar ɗaukar kaya ita ce: shigar da bishiyar ɗaukar kaya, shigar da murfin bishiyar ɗaukar kaya, ƙara maƙullin ƙarshen ɗaya bisa ga ƙimar ƙarfin juyawa da aka ƙayyade, saka gasket mai kauri 0.05mm tsakanin ɗayan murfin ƙarshen da kuma jirgin wurin zama na bishiyar ɗaukar kaya, lokacin da ƙarfin ƙarfin bututun ƙarshen ɗaure ya kai 10-20N·m, idan ba za a iya cire gasket ɗin ba, yana nuna cewa tsawon ɗaukar kaya ya yi tsayi sosai, kuma ƙarshen ba tare da sanya haɗin gwiwa ya kamata a ajiye shi a ƙasa; Idan za a iya cire gasket ɗin, yana nuna cewa tsawon ɗaukar kaya ya dace; Idan ba a yi amfani da gasket ɗin zuwa ƙimar ƙarfin juyawa da aka ƙayyade ba, ba za a iya cire shi ba, yana nuna cewa bishiyar ɗaukar kaya ta yi gajeru sosai kuma ya kamata a sake zaɓar ta.
Tenon mai santsi baya yana da kyau
Ya kamata bearing back ya kasance babu tabo, ƙaiƙayin saman Ra shine 0.8μm, tenon zai iya hana juyawar bearing bushing, aikin sanyawa, kamar tenon yayi ƙasa sosai, ana iya amfani dashi don yin tasiri ga tsayin da ya dace, kamar lalacewar tenon, ya kamata a sake zaɓar bearing bushing.
Daidaita mai laushi ba tare da ƙashi ba
Bayan sanya sabon itacen ɗaukar kaya a kan kujerar ɗaukar kaya, ana buƙatar radius ɗin lanƙwasa na itacen ɗaukar kaya ya fi radius ɗin lanƙwasa na ramin wurin zama girma. Lokacin da aka ɗora itacen ɗaukar kaya a cikin ramin wurin zama, ana iya haɗa shi da ramin wurin ɗaukar kaya kusa da maɓuɓɓugar itacen ɗaukar kaya don sauƙaƙe zubar da zafi. Duba ko harsashin ɗaukar kaya bai yi kyau ba, za ku iya danna bayan harsashin ɗaukar kaya don duba, akwai sautin da ba shi da kyau wanda ke nuna cewa ƙarfe da farantin ƙasa ba su da ƙarfi, ya kamata a sake zaɓar su.
Gibin da ya dace da littafin tayal ɗin shaft ya kamata ya dace
Lokacin da aka zaɓi harsashin bearing, dole ne a duba gibin da ya dace. A lokacin dubawa, ma'aunin silinda da micrometer suna auna daji mai ɗaukar kaya da littafin, kuma bambancin shine izinin dacewa. Hanyar dubawa na share daji mai ɗaukar kaya shine: don sandar haɗawa, shafa siririn mai a kan daji mai ɗaukar kaya, ƙara sandar haɗawa akan littafin da ya dace, ƙara maƙulli bisa ga ƙimar ƙarfin juyi da aka ƙayyade, sannan a juya sandar haɗawa da hannu, ana iya juya juyawa 1 ~ 1/2, a jawo sandar haɗawa tare da alkiblar axis, babu jin rata, wato, cika buƙatun; Don shingles na crankshaft, a shafa mai a saman kowane wuyan shaft da shingles na bearing, a shigar da crankshaft kuma a ƙara maƙulli bisa ga ƙimar ƙarfin juyi da aka ƙayyade, sannan a ja crankshaft da hannu biyu, don crankshaft ya iya juya juyawa 1/2, kuma juyawar ta kasance mai sauƙi kuma iri ɗaya ba tare da toshe wani abu ba.
Hanyar shigarwa mai kyau ta tayal ɗin crankshaft
Shigar da tayal ɗin crankshaft yadda ya kamata ya haɗa da waɗannan muhimman matakai:
Shigar da ma'aunin ma'auni: Sanya ma'aunin ma'auni a kowane gefen ma'aunin ma'auni. Waɗannan ma'aunin ma'auni sun dogara ne akan fesa mai don shafawa, maimakon shafa mai ta famfon mai. Saboda haka, sarrafa gibin da ke tsakanin ma'aunin ma'auni da harsashin mai yana da matuƙar muhimmanci kuma ya kamata a kiyaye shi tsakanin 0.15-0.20 mm.
Kula da Tashi da Daidaita Shiri: Idan tashi ba shi da sauƙin sarrafawa, da farko za ku iya amfani da na'urar auna gibin da ke tsakanin tashi da kuma ma'aunin ma'auni lokacin da ba a sanya tashi a kan tashi ba. Gibin da aka ba da shawarar shine 0.3 mm. Idan tashi bai kai 0.3 mm ba, ana iya cimma girman da ake buƙata ta hanyar gogewa ko yin aiki a kan tashi don tabbatar da cewa ma'aunin tsangwama tsakanin tashi da tashi da tashi ya kai 0.05 mm, kuma tashi ya kai kimanin 0.18 mm bayan an taɓa tashi da tashi a cikin tashi.
Dajin bearing mai ƙarfi: Lokacin shigar da dajin bearing shaft mai ƙarfi, ya kamata a shafa manne 302AB a bayan dajin bearing don ƙara ƙarfin dajin bearing da kuma hana shi motsi ko sassautawa.
Matsayin bear da man shafawa: kowace harsashi mai bear yana da ƙugiya ta sanyawa, wanda ya kamata a manne shi a cikin ramin sanyawa a kan bulogin silinda. A lokaci guda, a tabbatar cewa ramin mai da ke cikin bear ya daidaita da hanyar mai da ke cikin bulogin silinda domin kafa tsarin man shafawa.
Shigar da murfin bearing: Bayan shigar da murfin bearing na farko, juya crankshaft don tabbatar da cewa babu makale. Sanya murfin bearing kuma ƙara matse shi bisa ga ƙa'idodi. Ana yin hakan ga kowane murfin bearing. Idan murfin bearing ya makale, matsalar na iya kasancewa a cikin murfin bearing ko a cikin ɓangaren bearing. Cire kuma duba ko akwai burrs ko kuma wurin zama mara kyau.
Ta hanyar bin waɗannan matakan, za ku iya tabbatar da shigar da tayal ɗin crankshaft yadda ya kamata kuma ku guji lalacewar injiniya saboda rashin shigar da su yadda ya kamata.
Idan kana son ƙarin bayani, ci gaba da karanta sauran labaran da ke wannan shafin!
Don Allah a kira mu idan kuna buƙatar irin waɗannan kayayyaki.
Kamfanin Zhuo Meng Shanghai Auto Co., Ltd. ya kuduri aniyar sayar da kayayyakin motar MG&MAUXS. Ana maraba da siyan su.
