Kayayyakin motoci masu bearings, ta hanyar rawar da abubuwan da ke da alaƙa suka taka, duka a cikin radial da axial shugabanci suna ƙarƙashin ƙuntatawa na matsayi, wanda sakamakon ƙarshe zai yi tasiri ga sharewar bearings, wanda aka bayyana a cikin sharewar farko na bearings da bambanci tsakaninizinin aiki.
Tsaftace a cikin bearing shine jimlar nisan da ɗaya daga cikin zoben bearing zai iya motsawa a cikin alkiblar radial ko axial dangane da ɗayan zoben bearing. Dangane da sharewar bearing, dole ne a bambanta tsakanin sharewar kafin hawa da sharewar bayan hawa da kuma isa ga zafin aikinta. Sharewar aiki na bearing gabaɗaya ya fi ƙanƙanta fiye da sharewar farko saboda haƙurin ya dace da adadin tsangwama daban-daban da matakan faɗaɗa zafi daban-daban na zoben bearing da sassan da ke da alaƙa (misali sandunan mota, murfin ƙarshe, da sauransu), wanda ke haifar da faɗaɗa zobe ko matsi.
Ka'idojin sarrafawa da ƙwarewa gabaɗaya: Ya kamata a sami damar sarrafa bearings ɗin ƙwallon sifili ko kuma a sami ɗan ƙaramin kayan aiki. Duk da haka, ga na'urar birgima mai siffar silinda, na'urar birgima mai siffar silinda da sauran bearings, dole ne a sami wani takamaiman izinin da ke aiki, koda kuwa ƙarami ne.
Gabaɗaya a ƙarƙashin yanayin aiki na yau da kullun, ana iya samun izinin aiki mai dacewa ta hanyar zaɓar bearings tare da izinin rukuni na gama gari. Duk da haka, lokacin da aka kunna wutar lantarki, ana iya samun izinin aiki mai dacewa ta hanyar zaɓar bearings tare da izinin rukuni na gama gari.yanayin aiki da hawasun bambanta da yanayin gabaɗaya, kamar bearings na zobba biyu sun dace da tsangwama, ko bambancin zafin zobe yana da tasiri sosai, to ya kamata a zaɓi sharewa fiye da rukunin yau da kullun na manyan ko ƙananan bearings.
Dangane da aikace-aikacen, ya kamata a daidaita bearings ɗin da positive ko negative working clearance. A mafi yawan lokuta, positioning clearance ɗin ya kamata ya zama positive, wato bearing ɗin ya kamata ya yi aiki da wani adadin clearance ɗin da ya rage. A gefe guda kuma, akwai aikace-aikace da yawa inda ake buƙatar clearance ɗin aiki mara kyau - wato preload -.
Ana iya amfani da ɗaukar bearings kafin lokaci don ƙara tauri ko daidaiton juyawa na tsarin bearings. Misalan sun haɗa da bearings na spindle a cikin kayan aikin injin, bearings na pinion a cikin shafts na mota, bearings a cikin ƙananan injuna, ko tsarin bearings don motsi mai daidaitawa. A wasu aikace-aikace inda bearings ba su da, ko kuma kawai, ana sa su ƙananan kaya kuma ana sarrafa su a cikin babban gudu, ya kamata a yi amfani da preload zuwa gasaitin haliA wannan yanayin, manufar ɗaukar kaya kafin lokaci shine samar da ƙaramin kaya ga bearing don hana abubuwan birgima su zame kuma su haifar da lalacewa ga bearing.
Ana iya ɗaukar nauyin da aka riga aka ɗauka a matsayin radial ko axial dangane da nau'in bearing. Misali, bearings na silinda za a iya ɗaukar nauyin da aka riga aka ɗauka a alkiblar radial ne kawai saboda ƙirarsu, yayin da bearings na thrust ball da bearings na cylindrical thrust thrust za a iya ɗaukar nauyin da aka riga aka ɗauka a alkiblar axial kawai. Bearings na ball na lamba na layi ɗaya da bearings na thrust thrust galibi ana ɗaukar nauyin da aka riga aka ɗauka a axial kuma yawanci ana amfani da su a cikin nau'i-nau'i na baya-da-baya ko fuska-da-fuska tare da wani nau'in bearing iri ɗaya. Yawancin lokaci ana amfani da bearings na ƙwallo mai zurfi tare da wannan preload na axial, don cimma manufar preload, ya kamata a yi amfani da su tare da rukuni na radial na ciki fiye da na yau da kullun, don haka zai iya zama kamar bearings na lamba na kusurwa suna da kusurwar lamba fiye da sifili.
Lokacin Saƙo: Yuni-05-2024