A cikin yanayi da yawa na samar da masana'antu da aikin kayan aikin injiniya, bearings sune manyan abubuwan da suka shafi, kuma kwanciyar hankali na aikinsu yana da alaƙa kai tsaye da aikin yau da kullun na tsarin gaba ɗaya. Duk da haka, lokacin da yanayin sanyi ya faru, jerin matsaloli masu rikitarwa da wahala za su taso, waɗanda za su yi mummunan tasiri ga aikin yau da kullun na bearings.
Ƙarƙashin Kayan abu
Ana yin bearings da ƙarfe (misali ƙarfe), wanda ke da ikon faɗaɗa zafi da matsewa.hali, kamar zoben ciki da na waje, abubuwan birgima, za su ragu A cikin yanayi mai sanyi. Ga bearing mai girman daidaitacce, diamita na ciki da na waje na iya raguwa da 'yan microns lokacin da zafin jiki ya faɗi daga 20°C zuwa -20°C. Wannan raguwar na iya haifar da sharewar ciki na bearing ya zama ƙarami. Idan sharewar ta yi ƙanƙanta, gogayya tsakanin jikin birgima da zoben ciki da na waje za su ƙaru yayin aiki, wanda zai shafi sassaucin juyawa na bearing, ƙara juriya, da ƙarfin farawa na kayan aiki.
Canjin Tauri
Yanayin sanyi zai sa taurin kayan ɗaukar kaya ya canza zuwa wani mataki. Gabaɗaya, ƙarfe yana yin rauni a yanayin zafi mai ƙanƙanta, kuma taurinsu yana ƙaruwa kaɗan. A yanayin ƙarfe mai ɗaukar kaya, kodayake taurinsa yana da kyau, har yanzu yana raguwa a yanayin sanyi mai tsanani. Lokacin da aka fuskanci nauyin girgiza, wannan canjin taurin zai iya sa bearing ɗin ya fi saurin fashewa ko ma karyewa. Misali, a cikin bearings na kayan haƙar ma'adinai na waje, idan aka fuskanci tasirin faɗuwar ma'adinai a yanayin sanyi, yana da yuwuwar lalacewa fiye da yanayin zafi na yau da kullun.
Canjin Aikin Mai
Man shafawa yana ɗaya daga cikin muhimman abubuwan da ke tabbatar da aikin bearings. A lokacin sanyi, ɗanɗanon man zai ƙaru. Man shafawa na yau da kullun na iya zama mai kauri da ƙarancin ruwa. Wannan yana sa ya yi wuya a samar da kyakkyawan fim ɗin mai tsakanin jikin birgima da hanyoyin tsere na bearings. A cikin bearings na mota, man shafawa za a iya cike shi sosai a cikin dukkan gibin da ke ciki a yanayin zafi na al'ada. Yayin da zafin jiki ke raguwa, man shafawa yana mannewa, kuma jikin birgima ba zai iya kawo man shafawa daidai gwargwado ga dukkan sassan da ke hulɗa yayin birgima ba, wanda ke ƙara gogayya da lalacewa, kuma saurin juyawarsa na iya canzawa, wanda ke lalata ingancin saman da daidaiton girma na sassan da aka kera. A cikin mawuyacin hali, yana iya haifar da zafi fiye da kima ko ma kama bearings.
Gajarta Rayuwar Sabis
Haɗakar waɗannan abubuwan, ƙaruwar gogayya, raguwar ƙarfin tasiri da kuma rashin man shafawa na bearings a yanayin sanyi na iya hanzarta lalacewa. A cikin yanayi na yau da kullun, bearings na iya yin aiki na dubban sa'o'i, amma a cikin yanayi mai sanyi, saboda ƙaruwar lalacewa, na iya yin aiki na 'yan sa'o'i kaɗan, kamar lalacewar jiki, bugun tsere, da sauransu, wanda ke rage tsawon rayuwar bearings sosai.
Dangane da waɗannan illolin sanyi a kan bearings, ta yaya ya kamata mu rage su?
Zaɓi Mai Daidai kuma Sarrafa Adadin
A lokacin sanyi, ya kamata a yi amfani da man shafawa mai kyau da ƙarancin zafin jiki. Wannan nau'in man shafawa zai iya kiyaye kyakkyawan ruwa a ƙananan yanayin zafi, kamar samfuran da ke ɗauke da ƙarin abubuwa na musamman (misali, man shafawa da aka yi da polyurethane). Ba su da ƙazanta sosai kuma suna iya rage gogayya tsakanin bearings yayin farawa da aiki. Gabaɗaya, wurin zubar da man shafawa (mafi ƙarancin zafin jiki wanda samfurin mai mai sanyi zai iya gudana a ƙarƙashin takamaiman yanayin gwaji) na man shafawa mai ƙarancin zafin jiki yana da ƙasa sosai, kuma wasu na iya zama ƙasa da -40°C ko ma ƙasa da haka, don haka yana tabbatar da kyakkyawan man shafawa na bearings ko da a cikin yanayin sanyi.
Daidaiton cika mai yana da mahimmanci ga aikin ɗaukar mai a lokacin sanyi. Ƙarancin mai zai haifar da rashin isasshen man shafawa, yayin da cika mai da yawa zai sa ɗaukar mai ya haifar da juriyar tashin hankali sosai yayin aiki. A lokacin sanyi, ya kamata a guji cika mai da yawa saboda ƙaruwar danko na man. Yawanci, ga ƙananan bearings da matsakaici, adadin cika mai shine kusan 1/3 - 1/2 na sararin ciki na ɗaukar mai. Wannan yana tabbatar da shafawa kuma yana rage juriyar da man shafawa da yawa ke haifarwa.
Sauya Mai Kullum Kuma Ka Ƙarfafa Hatimin
Ko da an yi amfani da man shafawa mai kyau, bayan lokaci ya shude da kuma aikin da ke ɗauke da man, man zai gurɓata, ya yi kauri da sauransu. Waɗannan matsalolin na iya ƙara ta'azzara a lokacin sanyi. Ana ba da shawarar a rage zagayowar maye gurbin man bisa ga aikin kayan aiki da yanayin muhalli. Misali, a yanayin da ya dace, ana iya maye gurbin man sau ɗaya a kowane wata shida, kuma a yanayin sanyi, ana iya rage shi zuwa kowane wata 3 - 4 don tabbatar da cewa aikin man yana cikin kyakkyawan yanayi.
Kyakkyawan rufewa zai iya hana iska mai sanyi, danshi da datti shiga cikin bearing. A lokacin sanyi, za ku iya amfani da hatimin aiki mai ƙarfi, kamar hatimin lebe biyu ko hatimin labyrinth. Hatimin lebe biyu suna da lebe na ciki da na waje don toshe abubuwan waje da danshi a waje. Hatimin labyrinth suna da tsarin tashoshi mai rikitarwa wanda ke sa ya fi wahala ga abubuwan waje su shiga bearing. Wannan yana rage lalacewar tsarin ciki na bearing wanda faɗaɗa icing na ruwa ke haifarwa, da kuma hana shigar da datti wanda ke haifar da ƙaruwar lalacewa daga bearing.
Ana iya shafa saman bearing ɗin da wani abin kariya, kamar fenti mai hana tsatsa ko kuma fenti mai hana ƙarancin zafin jiki. Fentin hana tsatsa na iya hana bearing yin tsatsa a yanayin sanyi ko danshi, yayin da fenti mai kariya na cryogenic zai iya rage tasirin canjin zafin jiki akan kayan bearing. Irin waɗannan fenti suna aiki a matsayin kariya don kare saman bearing daga zaizayar ƙasa kai tsaye a yanayin zafi mai ƙarancin zafi, kuma suna taimakawa wajen rage canje-canje a cikin halayen kayan saboda canjin zafin jiki.
Dumama Kayan Aiki
Dumama dukkan na'urar kafin a fara ta hanya ce mai inganci. Ga wasu ƙananan kayan aiki, ana iya sanya ta a cikin "Conservatory" na ɗan lokaci don barin zafin bearing ya tashi. Ga manyan kayan aiki, kamar manyan cranes bearing, ana iya amfani da su don ƙara tef ɗin zafi ko fanka mai zafi ko wasu kayan aiki don dumama ɓangaren bearing. Zafin zafin pre-dumama gabaɗaya ana iya sarrafa shi a kusan 10 - 20°C, wanda zai iya sa sassan bearing su faɗaɗa su koma ga yadda aka saba, yayin da rage ɗanɗanon man shafawa, wanda ke taimakawa wajen fara aiki cikin santsi.
Ga wasu bearings da za a iya wargaza su, dumama mai a cikin wanka hanya ce mai kyau. Sanya bearings a cikin man shafawa da aka dumama zuwa zafin da ya dace, don haka bearings ɗin su kasance masu dumama daidai gwargwado. Wannan hanyar ba wai kawai tana faɗaɗa kayan bearings ba ne, har ma tana ba da damar man shafawa ya shiga cikin sararin ciki na bearings. Zafin mai da aka dumama gabaɗaya yana kusan 30 - 40°C, ana iya sarrafa lokacin gwargwadon girman bearings da kayan da sauran abubuwan cikin kimanin awanni 1 - 2, wanda zai iya inganta aikin bearings yadda ya kamata a lokacin sanyi.
Duk da cewa sanyi yana kawo matsala ga bearing, yana iya gina layin kariya mai ƙarfi ta hanyar zaɓar mai da ya dace, rufewa da kuma kariya daga dumamawa. Wannan ba wai kawai yana tabbatar da ingantaccen aikin bearings a ƙananan zafin jiki ba, yana tsawaita rayuwarsu, har ma yana haɓaka ci gaban masana'antar, ta yadda TP za ta iya tafiya cikin natsuwa zuwa sabuwar tafiya ta masana'antu.
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Lokacin Saƙo: Disamba-18-2024

