1 Lokacin da aka shigar da ɗawainiya, diamita na ciki na ɗaukar hoto da shaft, diamita na waje da gidaje suna da mahimmanci.Lokacin da dacewa yayi sako-sako da yawa, saman mating zai zame kusa da juna, wanda ake kira creep.Da zarar creep ya faru, zai sa saman mating, lalata igiya ko harsashi, kuma sawa foda zai mamaye cikin abin da ke ciki, yana haifar da zafi, girgiza da lalacewa.Lokacin da tsangwama ya yi girma sosai, diamita na waje na zobe na waje zai zama karami ko kuma diamita na ciki na zobe na ciki zai zama mafi girma, wanda zai rage raguwa na ciki.Bugu da ƙari, daidaito na geometric na shaft da kuma sarrafa harsashi kuma zai shafi ainihin ainihin zoben ɗaukar hoto, don haka ya shafi aikin ɗaukar hoto.
1.1 Zaɓin dacewa 1.1.1 Yanayin ɗaukar nauyi da zaɓin dacewa ya dogara ne akan alkiblar da mai ɗaukar kaya ke ɗaukar kaya da yanayin jujjuyawar zobba na ciki da na waje, gabaɗaya koma zuwa Tebur 1. Tebu 1 Yanayin yanayin. Haɗaɗɗen kaya da yanayin jujjuyawar madaidaicin ƙayyadaddun ƙayyadaddun yanayin ƙayyadaddun yanayin Ƙaƙwalwar yanayin Ƙaƙwalwar Ƙaƙwalwar Zobe na ciki: juyawa mara kyau zobe: Ƙaƙwalwar ɗaukar nauyi: Kafaffen Ƙaƙwalwar Ƙaƙwalwar Ƙaƙwalwar Ƙaƙwalwar Ƙaƙwalwa (tsarar da ya dace) akwai zoben ciki: Tsayayyen zobe mara kyau: Juyin jujjuya nauyi: Juyawa lokaci guda tare da zoben waje na ciki: Juyawa Mara kyau zobe: Matsayin ɗaukar nauyi: Kafaffen zobe na ciki a tsaye Load na waje zobe mai jujjuya kaya na ciki: Madaidaicin dacewa akwai (A share Fit) Zobe na waje: Tsayayyen dacewa (daidaita shisshigi) Zoben ciki: A tsaye Negative zobe: Juyawa Load shugabanci: Juyawa lokaci guda tare da zoben ciki.2) Shawarar da aka ba da shawarar don zaɓar abin da ya dace da manufar, yanayi, girman, yanayin zafin jiki na nauyin ɗawainiya, da kuma yanayi daban-daban don shigarwa da ƙaddamar da ƙaddamarwa ya kamata a yi la'akari.Lokacin da aka ɗora maƙalar a kan harsashi mai bakin ciki ko ramin rami, tsangwama yana buƙatar girma fiye da na yau da kullum;Harsashi daban yana da sauƙi don lalata zobe na waje na ɗaukar hoto, don haka ya kamata a yi amfani da shi tare da taka tsantsan lokacin da zobe na waje ya buƙaci a daidaita shi a tsaye;a cikin yanayin babban rawar jiki, zoben ciki da na waje yakamata su ɗauki madaidaiciyar dacewa.
Don mafi yawan shawarar da aka ba da shawarar dacewa, koma zuwa Tebura 2, Tebura 3 Tebura 2 Abubuwan da suka dace don radial bearings da shafts (don tunani) Diamita na shaft (mm) Bayani don abin nadi mai siffar siffar ball bearings Silindrical roller bearings Tapered roller bearings Tapered nadi bearings atomatik daidaitawa tsakiya nadi bearings Silindrical bearings bearings da ƙananan zobe na shaft Nauyin juyawa yana buƙatar zoben ciki don sauƙi don motsawa akan shaft Duk girman ƙafafun ƙafar ƙafar g6 Lokacin da ake buƙatar daidaito, yi amfani da g5, h5, manyan bearings da buƙatu. don sauƙin motsi kuma za'a iya amfani dashi a maimakon h6 Ƙaƙwalwar ciki yana buƙatar sauƙi don motsawa a kan shaft Tensioner frame, sheave h6 Zoben ciki yana juyawa ko shugabanci ba shi da iyaka.Nauyin haske yana ƙasa da 0.06Cr(1).— Js5 Lokacin da ake buƙatar daidaito, yi amfani da ajin p5, kuma yi amfani da h5 don madaidaicin ƙwallon ƙwallon ƙafa tare da diamita na ciki na 18mm ko ƙasa da haka.0.13) Nauyin Cr (1) a cikin sashin gaba ɗaya yana ƙasa da 18 don manyan injinan lantarki, injin turbines, famfo, injin injin, watsa kayan aiki, da injinan katako - n6 mai jujjuya mai juzu'i guda ɗaya da radial ture ball. Ana iya maye gurbin bearings ta k6 da m6 k5, m5.18-100 kasa 40 p6 140-200 40-100 40-65 r6 200-280 100-140 65-100 r7— 140-200 100-140 n6— 200-400 140-5-8 sama da 500 r7 nauyi nauyi (fiye da 0.13Cr (1)) lodi ko tasiri lodin layin dogo, tram ɗin abin hawa na masana'antu babban injin ginin injin injin-50-140 50-100 n6 bearings waɗanda ke buƙatar mafi girman sharewa na yau da kullun - 140-200 100-140 p6 - fiye da 200 140-200 r6 - - 200-500 r7 Kawai ɗaukar nauyin axial Duk sassan sassa daban-daban na sassa daban-daban All girma Js6 (j6) - Tebur 3 Radial bearing da ramin gidaje Misalai masu dacewa na yanayin daidaitawa (bayani) Haƙurin ramin gidaje Motsin aji na zobe na waje Bayanin Haɗin mahalli na waje zobe na waje Mai jujjuya nauyin bangon kaya mai nauyi Motoci ƙafafu (nadi bearings) Ƙallon ƙafar crane masu gudu P7 Zoben na waje ba zai iya motsawa ta hanyar axial ba.
Nauyin nauyi na yau da kullun, ƙirar mota mai nauyi mai nauyi (ƙwaƙwalwar ƙwallon ƙafa) allon rawar jiki N7 nauyi mai nauyi ko mai canzawa mai ɗaukar nauyi mai ɗaukar nauyi, mai ɗaukar nauyi mai ɗaukar nauyi M7 nauyin nauyi mai nauyi babban tasiri babban injin tram talakawa kaya ko nauyi mai ɗaukar nauyi mai ɗaukar nauyi mai matsakaici da babban motar K7 a waje ka'ida, zobe na waje ba zai iya motsawa a cikin hanyar axial ba.Zoben waje baya buƙatar motsawa a cikin jagorar axial.Ramin mahalli ko ramin mahalli daban kaya ne na al'ada ko nauyi mai sauƙi JS7 (J7).Zoben waje na iya motsawa axially.Zoben waje na iya motsawa axially.Matsakaicin motsi na ciki Resering Cikin Saukar da Zobe A kowane nau'i na ɗaukar nauyin motocin H7 H7 Ladun da ke faruwa tare da bugun H8 na yau da kullun ya motsa da takarda na ciki ya zama babban takarda na'urar bushewa G7 talakawa load, nauyi nauyi, musamman bukatar daidaici Rotary nika sandar raya ball hali high-gudun centrifugal kwampreso kafaffen gefen hali JS6 (J6) m zobe iya matsawa a cikin axial shugabanci - ba shugabanci load nika sandar raya ball hali high gudun Centrifugal Kwampreta kafaffen gefen gefe K6 Lokacin da aka gyara zoben waje a cikin axial shugabanci bisa manufa, tsangwama wanda ya fi girma K yana aiki.A cikin yanayin buƙatu na musamman don madaidaicin madaidaici, ya zama dole don ƙara amfani da ƙaramin bambanci mai ƙyalli bisa ga aikace-aikacen.Haɗin kai.
Juyawa mai juyawa na zobe na ciki yana canza kaya, musamman yana buƙatar madaidaicin juyawa da tsayi mai tsayi.Silindrical abin nadi bearings na inji kayan aiki spindles M6 ko N6.Ana gyara zobe na waje a cikin jagorar axial kuma yana buƙatar aiki mara sauti.Kayan aikin gida H6.Ƙarfin waje yana motsawa a cikin jagorar axial-3), shaft 1. Idan madaidaicin harsashi da ɓacin rai na shamfu da harsashi ba su da kyau, za a yi amfani da nauyin da shi kuma ba zai iya yin aikin da ake bukata ba.Misali, idan daidaiton sashin shigarwa na kafada ba shi da kyau, zoben ciki da na waje za su karkata.Bugu da ƙari, nauyin ɗaukar nauyi, nauyin da aka mayar da hankali a ƙarshen zai rage rayuwar gajiyar ɗaukar nauyi, kuma mafi mahimmanci, zai haifar da lalacewa ga keji da sintiri.Bugu da ƙari kuma, lalacewar gidaje saboda nauyin waje yana da ƙananan.Wajibi ne a sami damar cikakken goyan bayan tsattsauran ra'ayi.Mafi girman tsayin daka, mafi fa'ida shine don ɗaukar amo da rarraba kaya.
A ƙarƙashin yanayin amfani na yau da kullun, jujjuya ƙarewa ko daidaitaccen sarrafa injin ya wadatar.Koyaya, don lokatai tare da ƙaƙƙarfan buƙatu akan guduwar juyawa da hayaniya da yanayin kaya waɗanda suke da tsauri, ana buƙatar gama niƙa.Lokacin da aka shirya fiye da 2 bearings a cikin gaba ɗaya harsashi, ya kamata a tsara yanayin mating na harsashi don samun damar aiwatar da huda.A ƙarƙashin yanayin al'ada na amfani, daidaito da santsi na shaft da gidaje na iya dogara ne akan Table 4 da ke ƙasa.Tebura 4 Daidaitacce da santsi na shaft da mahalli Abun da ke ɗauke da maki Shaft gidaje zagaye haƙuri 0, 6, 5, 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT3 ~ IT42 2 Haƙuri na Silindricity 0, 6 Grade 5, Grade 4 IT3 IT42 2IT2 ~ IT32 2 IT4 ~ IT52 2IT2 ~ IT32 2 Hakuri gudu na kafada Grade 0, Grade 6 Grade 5, Grade 4 IT3IT3 IT3~IT4IT3 Fitting surface gama RMax Ƙananan bearings Manyan bearings 3.2S6.3S 6.3S12.5S12.5
2 Tsaftacewa mai ɗaukar nauyi: Ana nuna izinin ɗaukar kaya a cikin Hoto 1: Hoto 1 Tsabtace ɗaukar nauyi 2.1 Bayar da izinin ciki Abin da ake kira ƙyalli na ciki yana nufin ɓangaren zobe na ciki ko na waje na bearing lokacin da ba a sanya shi a kan shaft ko ba. akwati mai ɗaukar nauyi.Gyara shi, sa'an nan kuma sanya gefen da ba a gyara ba ya motsa radially ko axially.Dangane da jagorancin motsi, ana iya raba shi zuwa radial clearance da axial clearance.Lokacin auna ma'auni na ciki na ma'auni, don daidaita ƙimar da aka auna, ana amfani da nauyin gwaji gaba ɗaya akan zobe.Sabili da haka, ƙimar gwajin ya fi girma fiye da ainihin ƙimar sharewa, wato, akwai ƙarin adadin nakasar nakasa ta hanyar amfani da nauyin gwajin.Haƙiƙanin ƙimar ƙyalli na ciki na ɗaukar nauyi shine bisa ga Table 4.5.An gyara haɓakar haɓakar da aka samu ta hanyar nakasar roba na sama.Adadin nakasar nakasawa na abin nadi ba shi da komai.Tebur 4.5 shine gyaran gyare-gyaren radial don kawar da tasirin nauyin gwajin (ɗakin ƙwallon ƙafa mai zurfi) Raka'a: um Nau'in ƙirar ƙira na ciki d (mm) Nauyin gwaji (N) Gyaran sharewa ya wuce C2 Talakawa C3 C4 C510 (an haɗa) 18 24.549 147 3 ~ 4 4 ~ 5 6~8 45 8 4 6 9 4 6 9 4 6 92.2 Zaɓin izinin ɗaukar nauyi Ƙaƙwalwar ƙyalli mai gudana ya fi girma fiye da farkon yarda saboda dacewa mai dacewa da kuma bambancin zafin jiki tsakanin zobba na ciki da na waje.Karami.Tsaftacewa mai gudana yana da alaƙa da alaƙa da rayuwar ɗaukar nauyi, hauhawar zafin jiki, rawar jiki da amo, don haka dole ne a saita shi zuwa mafi kyawun yanayi.
Maganar ka'ida, lokacin da mai ɗaukar nauyi yana aiki, tare da ƙarancin izinin gudu mara kyau, rayuwar ɗaukar nauyi shine mafi girma.Amma yana da matukar wahala a kula da wannan mafi kyawu.Yayin da yanayin sabis ɗin ke canzawa, ƙarancin ƙyalli na ɗamarar zai ƙaru daidai da haka, yana haifar da raguwa mai yawa a cikin rayuwa mai ɗaukar nauyi ko samar da zafi.Sabili da haka, an saita sharewar farko don zama ɗan girma fiye da sifili.Hoto 2: Canje-canje a cikin sharewar radial na bearings 2.3 Ma'auni na zaɓi don ɗaukar izini A ƙa'idar magana, lokacin da ƙarfin yana cikin yanayin aiki mai aminci kuma yana da ƙarancin izinin aiki mara kyau, rayuwar ɗaukar nauyi ita ce mafi girma.Amma a zahiri, yana da matukar wahala a kula da wannan kyakkyawan yanayin.Da zarar wani yanayin amfani ya canza, rashin daidaituwa zai karu, wanda zai haifar da raguwa mai yawa a cikin ɗaukar rayuwa ko samar da zafi.Sabili da haka, lokacin zabar izinin farko, ana buƙatar cewa izinin gudu ya zama ɗan ƙaramin girma fiye da sifili.
Don bearings da aka yi amfani da su a ƙarƙashin yanayi na al'ada, za a yi amfani da nauyin nauyin al'ada.Lokacin da sauri da zafin jiki suka kasance na al'ada, kawai daidaitaccen sharewa na al'ada ya kamata a zaɓi don samun izinin gudu mai dacewa.Table 6 Misalai masu dacewa na sharewa gama gari Amfani da sharuɗɗan da suka dace Zaɓi izini don ɗaukar kaya masu nauyi, nauyi mai tasiri, da babban tsangwama Axle C3 Fuskar fuska C3 da C4 suna ɗaukar nauyin da ba na gaba ba, kuma duka zoben ciki da na waje suna ɗaukar juzu'in abin hawa na jirgin ƙasa. Motar C4 taraktoci, na'urar ragewa ta ƙarshe ta C4 ko na'urar dumama takarda ta ciki, na'urar bushewa C3, C4 mirgine abin nadi nadi C3 rage jujjuyawar jujjuyawa da amo micro motor C2 daidaitawa da kuma sarrafa shaft vibration NTN inji kayan aiki sandar (biyu jere Silinda Roller bearings) C9NA ,C0NA.