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Menene Ƙarfin Zafin Ƙasa

Bearing mai ƙarancin zafin jiki ba ya nufin bearing da ke aiki da kyau a cikin yanayin zafi mai yawa (sabaninbearings masu zafin jiki mai yawa), amma maimakon haka, an ƙera bearing da kayan aiki na musamman da ƙira na tsari don rage yawan gogayya, ta haka ne rage zafin gogayya. Wannan yana ba bearing damar kiyaye ƙarancin zafin jiki koda a lokacin aiki na dogon lokaci.

 

BearingsAna ɗaukar bearings masu ƙarancin zafin jiki. Ana amfani da su galibi a cikin famfunan ruwa daban-daban, kamar famfunan iskar gas mai ruwa, famfunan ruwa na nitrogen (hydrogen, oxygen), famfunan butane, famfunan ruwa na rokoki da makamai masu linzami, jiragen sama masu saukar ungulu, da sauransu.

 

Zafin Aiki na Ƙananan Zafin Bearings

Zafin aiki na bearing mai ƙarancin zafin jiki yana nuna fasahar kayan aiki da matakin masana'anta na bearing. Ana auna shi da farko ta hanyar bambancin zafin jiki tsakanin zoben waje na bearing da man sanyaya da aka allura yayin aiki. Ƙananan zafin aiki yana nufin tsawon rai na bearing da kuma mafi girman aiki.

 

Nau'o'i na ƙananan zafin jiki bearings

Bearings masu ƙarancin zafin jiki yawanci sune bearings masu zurfin tsagi mai layi ɗaya da bearings masu silinda.

 

DominbearingsIdan mutum yana fuskantar kamuwa a ƙananan yanayin zafi, abin da ke waje shine canjin zafin jiki, yayin da abin da ke ciki shine bambancin ma'aunin faɗaɗa zafi na shaft, firam, da kayan. Idan kewayon zafin ya yi girma, kayan daban-daban suna raguwa a farashi daban-daban, suna rage sharewa da haifar da cikas. Saboda haka, ga kayan aiki masu faɗi na aiki, gami da kayan aiki da ake amfani da su a ƙananan yanayin zafi, ya zama dole a ƙididdige ma'aunin faɗaɗa kayan aiki kuma, inda zai yiwu, a yi amfani da kayan aiki masu ma'aunin faɗaɗa iri ɗaya don samun sakamako mafi kyau.

 

Bugu da ƙari, a cikin tsarin gini, yana da kyau a guji amfani da beyar mai siffar mazugi a kowane ƙarshen shaft. A cikin irin wannan tsari, tsawon nisan da ke tsakanin beyar biyu, mafi girman damar yin matsewa. Idan aka sanya beyar mai siffar mazugi a ƙarshen shaft ɗin, za su iya zama matsayin wurin sanya shaft, suna hana motsi na axial. Ɗayan ƙarshen shaft ɗin, wanda aka yi amfani da shi tare da beyar mai birgima, yana iyakance ƙarfin radial kawai, yana ba da damar iyakance motsi na axial tare da canje-canjen zafin jiki na axial.

 

Zaɓin Kayan Aiki don Bearings Masu Ƙananan Zafi

Zaɓin Karfe Mai Haɗawa don Bearings Masu Ƙananan Zafi

Ana yin bearings masu ƙarancin zafin jiki sau da yawa da ƙarfe masu bakin ƙarfe 9Cr18 ko 9Cr18Mo, kuma ana iya yin su da tagulla na beryllium, yumbu, da sauran kayan aiki. A ƙarƙashin yanayin zafi mai ƙarancin aiki (zafin jiki mai tsanani -253℃), idan iyakar aiki tana buƙatar -253℃, ana iya zaɓar kayan 6Cr14Mo amma dole ne a yi amfani da su a cikin yanayi mai tsabta.

 

A lokacin amfani da bearings masu ƙarancin zafin jiki, ya kamata a mai da hankali kan matsaloli kamar zafi fiye da kima da rashin man shafawa ke haifarwa, don haka yana da mahimmanci a zaɓi man shafawa masu dacewa.