Yana da matukar muhimmanci a dace da diamita na ciki tare da shaft da diamita na waje tare da mahalli lokacin da aka shigar da kaya. Idan dacewa yayi sako-sako da yawa, saman mating zai haifar da zamewar dangi, wanda ake kira creep. Da zarar creep ya faru, zai ƙare saman mating, lalata igiya ko gidaje, kuma sa foda zai mamaye wurin da ke ɗaukar hoto, yana haifar da zafi, girgiza da lalacewa. Tsangwama mai yawa zai haifar da ƙaramin diamita na waje na zobe na waje ko mafi girma diamita na ciki na zoben ciki, wanda zai rage izinin ciki na ɗamarar. Bugu da ƙari, daidaito na geometric na shaft da harsashi kuma zai shafi ainihin ainihin zoben ɗaukar hoto, don haka ya shafi aikin ɗaukar hoto.
1.1 Zaɓin Fit 1.1.1 Yanayin ɗaukar nauyi da zaɓin dacewa an ƙaddara bisa ga jagorar ɗaukar nauyi da matsayi na juyawa na zobba na ciki da na waje, gabaɗayan magana game da Tebur 1. Tebu 1 da ɗaukar nauyi da ɗaukar nauyi yanayin jujjuyawar yanayi misalai tare da zobe na ciki: juyawa mara kyau: madaidaiciyar nauyin nauyi: madaidaiciyar zobe mai jujjuyawar ƙarar zobe mai dacewa daga ciki, US ES. zobe: samuwan gudu mai dacewa (clearance) zobe na ciki: madaidaiciya mara kyau da'ira: juyawar juyawa na kaya, da kuma zobe na waje da juya zobe na ciki: juyayi mara kyau: madaidaiciyar nauyi shugabanci: ƙayyadaddun zobe na ciki a tsaye ɗorawa na ciki, zobe na waje mai jujjuya kayan aiki mai dacewa (tsalle) zobe na waje: AMFANI da tsangwama dacewa (tsangwama dacewa) zoben ciki: a tsaye mai jujjuya shugabanci: da'irar lokaci ɗaya. 2) Shawarar dacewa Don zaɓar dacewa mai dacewa, halaye masu ɗaukar nauyi, girman, yanayin zafin jiki, shigarwa mai ɗaukar nauyi, kawar da yanayi daban-daban. Lokacin da aka ɗora abin ɗamara zuwa harsashi mai bakin ciki da ramin rami, adadin tsangwama yana buƙatar girma fiye da na talakawa. Harsashin da aka rabu zai iya sauƙaƙa ɓata zobe na waje, don haka ya kamata a yi amfani da zoben waje a hankali a ƙarƙashin yanayin daidaitawa. A cikin yanayin babban jijjiga, zoben ciki da na waje ya kamata su ɗauki daidaitawa a tsaye.
Haɗin kai tare da mafi yawan shawarwarin gabaɗaya, koma zuwa tebur 2, tebur 3 tebur 2 ɗamarar tsakiya da shaft tare da sharuɗɗan shari'o'in da suka dace (bayani) diamita na axle (mm) nadi mai ɗaukar hoto mai ɗaukar magana ball bearings cylindrical roller bearings taper abin nadi bearings atomatik kai-aligning abin nadi mai ɗauke da silinda buƙatun buƙatun buƙatun buƙatun buƙatun buƙatun buƙatun buƙatun buƙatun zobe mai sauƙi. a tsaye axle ƙafafun duk girman g6 madaidaicin buƙatun, Tare da g5, h5, ɗaukarwa da sauƙaƙe wayar hannu da ake buƙata h6 kuma yana samuwa ba tare da zobe na ciki ba yana da sauƙi don matsar da motsin motsin motsi h6 na ciki na zoben kadi, igiya zagaye ko shugabanci na m nauyi a ƙarƙashin nauyin nauyi 0.06 Cr (1) kaya daban-daban na kayan aiki, famfo, busa, injin da ake buƙata, injin da ake buƙata, daidaitaccen kayan aikin J5. p5, diamita na ciki ta amfani da madaidaicin ƙwallon ƙafa ƙarƙashin 18 mm h5. Nau'in gama gari (0.06 ~ 0.13) Cr (1) Gabaɗaya ɓangaren matsakaita da babban injin turbin, famfo, ingin ingin, na'urar watsa kaya, injinan itace a ƙarƙashin 18 -- N6 mai jujjuyawar abin nadi mai tsayi guda ɗaya da radial radial ture ball bearings ana iya amfani da k6, M6 maimakon K5, M5. P6 140-200 40-65 R6 200-280 100-140 N6 -- 200-400 140-280 P6 -- 280-500 R6 -- Sama da 500 R7 nauyi mai nauyi (sama da 0.13Cr (1) motocin gini na lantarki da motocin lantarki 50-140 50-100 N6 Bukatar ya fi girma fiye da yarda da ɗaukar nauyi - p6, 140-200, 100-140 - fiye da 200, 140-200 r6 -- 200-500 r7 kawai ɗaukar nauyin axial na sassan sassa na tsarin ɗaukar hoto - amfani da wurin tebur 6 (6 girma) Yanayin rami da ake amfani da su (bambanci) motsi na ramin ramuka na waje juzu'in juzu'i bayanin kula gabaɗayan ramin ramin bango mai ɗauke da zoben waje mai jujjuya nauyi mai nauyi mai nauyi mota dabaran abin nadi bearings (crane) tafiya dabaran P7 na waje zobe zuwa ga axial shugabanci.
Wurin al'ada, wheodobile mai nauyi mai nauyi (ball mai haske ko canzawa da ɗaukar hoto na kayan kwalliya ba ya zama layuka na gefen ruwa na yau da kullun. Za a iya matsar da zobe na waje zuwa ga axial bukatar waje zobe zuwa axial shugabanci na ciki zobe kadi load na kowane nau'i na kaya qazanta wani ɓangare na janar hali akwatin na dogo abin hawa H7 m zobe zuwa axial shugabanci sauƙi - al'ada load ko haske load shirya ushering a cikin harsashi shaft da qazanta H8 dukan da'irar a cikin general load, high zafin jiki na takarda yin busasshen loading da baya bukatar G7 haske road da bushewa. ɗauke da high-gudun centrifugal kwampreso kafaffen gefe hali JS6 (J6) m zobe zuwa axial shugabanci - ba directed da shugabanci load a baya na ball hali nika sandar high-gudun centrifugal kwampreso K6 kafaffen gefe hali m zobe gyarawa a cikin axial shugabanci na kaya a cikin manufa, zartar da adadin, precents na musamman da ake bukata a karkashin K6 da adadin da ya fi girma fiye da yadda ya kamata a kara yawan tsangwama a karkashin yanayin da ya kamata. amfani da kowane dalili.
Inner zobe kadi load sãɓãwar launukansa nauyi, musamman bukatar madaidaicin juyawa da kuma babban rigidity na inji kayan aiki sandal tare da M6 ko N6 cylindrical abin nadi hali m zobe gyarawa a cikin axial shugabanci for noiseless aiki iyali kayan H6 m zobe zuwa axial shugabanci - 3), da madaidaici na axis, a kaho, da kuma yanayin da ba ya shafa axis axis axis ta hanyar axial shugabanci. ba zai iya nuna aikin da ake buƙata ba. Alal misali, shigarwa na ɓangaren kafada idan daidaito ba shi da kyau, zoben ciki da na waje za su karkata. Bugu da ƙari, nauyin ɗaukar nauyi, haɗe tare da nauyin da aka tattara a ƙarshe, za a rage rayuwar gajiya mai ɗaukar nauyi, kuma mafi mahimmanci, zai zama sanadin lalacewar keji da sintiri. Bugu da ƙari, lalacewar harsashi saboda nauyin waje ba shi da girma. Wajibi ne don cikakken goyan bayan rigidity na ɗaukar nauyi. Mafi girman tsayin daka, mafi kyawun amo da rarraba kaya na ɗaukar nauyi.
A cikin gabaɗayan yanayin amfani, jujjuyawar mashin ɗin ko madaidaicin sarrafa injin na iya zama. Duk da haka, don lokuttan tare da tsauraran buƙatun jujjuyawar gudu da amo da yanayin kaya sun yi zafi sosai, za a yi amfani da niƙa na ƙarshe. Lokacin da aka shirya fiye da 2 bearings a cikin dukan gidaje, ya kamata a tsara wuraren da za a yi amfani da su don yin inji da kuma rami. A cikin yanayin amfani gabaɗaya, shaft, daidaiton gidaje da ƙarewa na iya zama kamar yadda aka nuna a cikin Tebura 4 da ke ƙasa. Tebur 4 Axis da daidaiton Gidaje da Ƙarshen bearings - Class AXIS ya rufe juzu'in juzu'in juzu'i - aji 0, aji 6, aji 5, Class 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 2 Cylindricity haƙuri - aji 4, 5 IT ~ IT42 ~ IT32 2 IT4 ~ IT52 2IT2 ~ IT32 2 Jikin runout tolerances - class 0, class 6, class 5, class 4 IT3IT3 IT3~IT4IT3 Matching surface gama Rmax kananan qazanta manyan hali 3.2 S6.3s 6.3 S12.5s.
Abin da ake kira ƙyalli na ciki na ɗaukar hoto yana nufin adadin motsi lokacin da aka ƙulla zobe na ciki ko na waje da aka kafa kafin a ɗora maƙallan a kan shaft ko akwati, sa'an nan kuma gefen da ba a daidaita shi yana motsawa a cikin radial ko axial direction. Bisa ga jagorancin motsi, ana iya raba shi zuwa radial clearance da axial clearance. Lokacin auna sharewar ciki na abin ɗamarar, don kiyaye ƙimar da aka auna, ana amfani da nauyin gwajin gaba ɗaya akan zobe. Sabili da haka, ƙimar gwajin ya fi girma fiye da ainihin ƙimar sharewa, wato, ƙarin adadin nakasar nakasa da aka yi ta hanyar amfani da nauyin gwajin. Ana nuna ainihin ƙimar ɗaukar izinin ciki a cikin Tebur 4.5. An gyara haɓakar haɓakawa ta hanyar nakasar roba na sama. Nakasar nakasar abin nadi ba ta da komai. Tebur 4.5 don kawar da tasiri na gyaran gyare-gyaren gyare-gyaren radial ƙwanƙwasawa (mai zurfin tsagi ball bearing) raka'a: um nominal bearing model diamita d (mm) (N) gyare-gyaren gwajin gwaji zuwa C2 C3 C4 C510 talakawa (ciki har da) 18 24.549 147 3 ~ 4 4 ~ 5 6 9 Afrilu 92.2 zaɓi na ƙyalli mai ɗaukar nauyi mai ɗaukar nauyi, saboda dacewa mai ɗaukar nauyi da bambancin zafin jiki akan dalilai na ciki da na waje, gabaɗaya sun yi ƙasa da izinin farko. Tsare-tsare na aiki yana da alaƙa ta kud da kud da rayuwa mai ɗaukar nauyi, hauhawar zafin jiki, girgiza da hayaniya, don haka dole ne a saita shi zuwa mafi kyawun yanayi.
Maganar ka'ida, lokacin da ɗaukar nauyi yana aiki, tare da ƙarancin izinin gudu mara kyau, rayuwar ɗaukar nauyi tana da iyaka. Amma yana da matukar wahala a kula da wannan mafi kyawu. Tare da canje-canjen yanayin sabis, ƙaddamarwa mara kyau na ƙaddamarwa zai karu daidai, wanda zai haifar da raguwa mai mahimmanci na rayuwa ko samar da zafi. Sabili da haka, an saita sharewar farko don zama ɗan girma fiye da sifili. FIG. 2 Bambance-bambancen radiyo mai ɗaukar nauyi 2.3 Ma'auni na zaɓi don ba da izini a ka'idar, ɗaukar rayuwa yana haɓaka lokacin da aka sami ƙarancin izinin aiki a ƙarƙashin yanayin aiki mai aminci. Amma a aikace, yana da matukar wahala a kula da wannan kyakkyawan yanayin. Da zarar wasu sharuɗɗan sabis sun canza, ƙarancin izini zai ƙaru, yana haifar da raguwa mai mahimmanci wajen ɗaukar rayuwa ko dumama. Sabili da haka, lokacin da aka saba zaɓin izinin farko, ana buƙatar izinin aiki ya zama dan kadan fiye da sifili.
Don bearings a ƙarƙashin yanayi na al'ada, za a karɓi daidaitawar lodi na gama gari. Lokacin da sauri da zafin jiki suka kasance na al'ada, yakamata a zaɓi madaidaicin izinin gama gari don samun izinin aiki da ya dace. Table 6 sosai talakawa yarda misali ta amfani da yanayin zartar lokaci yarda a karkashin nauyi nauyi, tasiri load, tsoma baki tare da babban adadin jirgin kasa axle C3 vibrating allo C3 da C4 ba za su iya samun shugabanci load, ciki da kuma wajen da'irar C4 tarakta dauko a tsaye tare da Railway abin hawa gogayya motor, reducer ko C4 hali na ciki zobe zafi takarda inji, bushewa C3 da C4 mirgine nadi nadi nadi C3 da C4 mirgina. micro-motor C2 daidaitawar sharewa da sarrafa girgizar igiyar NTN spindle (biyu jere na cylindrical roller bearing) C9NA, C0NA.
Lokacin aikawa: Yuli-30-2020