Baya ga abubuwan da aka saita na ɗaukar nauyin clearance, Timken ya ƙirƙiro hanyoyi guda biyar da ake amfani da su akai-akai don saita izinin bearing ta atomatik (misali SET-RIGHT, ACRO-SET, PROJECTA-SET, TORQUE-SET da CLAMP-SET) azaman zaɓuɓɓukan Daidaitawa da hannu. Duba Tebur 1-"Kwatanta hanyoyin clearance na bearing mai tapered roller" don nuna halaye daban-daban na waɗannan hanyoyin a cikin tsarin tebur. Layi na farko na wannan teburin yana kwatanta ikon kowace hanya don sarrafa "kewayon" na izinin clearance na bearing. Ana amfani da waɗannan ƙimar ne kawai don nuna halayen gaba ɗaya na kowace hanya wajen saita izinin, ba tare da la'akari da ko an saita izinin clearance zuwa "preload" ko "clearance na axial" ba. Misali, a ƙarƙashin ginshiƙin SET-RIGHT, canjin clearance da ake tsammani (babban tazara ko 6σ), saboda takamaiman ikon clearance da shaft, na iya kasancewa daga matsakaicin inci 0.008 zuwa inci 0.014. Ana iya raba kewayon clearance tsakanin clearance na axial da preload don haɓaka aikin cliaring/application. Duba Hoto na 5-"Amfani da Hanyar Atomatik don Saita Rage ...
Za mu tattauna dalla-dalla game da takamaiman ma'anoni, ka'idoji da hanyoyin aiwatar da kowane hanya a cikin babi masu zuwa na wannan module. Hanyar SET-RIGHT tana samun izinin da ake buƙata ta hanyar sarrafa haƙurin bearing da tsarin shigarwa, ba tare da buƙatar daidaita bearing ɗin TIMKEN mai tapered ba. Muna amfani da dokokin yiwuwa da ƙididdiga don annabta tasirin waɗannan haƙuri akan izinin bearing. Gabaɗaya, hanyar SET-RIGHT tana buƙatar ƙarin iko akan juriyar injina na shaft/bearing home, yayin da take da cikakken iko (tare da taimakon daidaito maki da lambobi) mahimmancin juriya na bearings. Wannan hanyar ta yi imanin cewa kowane sashi a cikin taron yana da juriya mai mahimmanci kuma yana buƙatar a sarrafa shi a cikin wani takamaiman kewayon. Dokar yiwuwa ta nuna cewa yuwuwar kowane sashi a cikin taron ya zama ƙaramin haƙuri ko haɗuwa da manyan haƙuri yana da ƙanƙanta sosai. Kuma bi "rarrabawar haƙuri ta al'ada" (Hoto na 6), bisa ga ƙa'idodin ƙididdiga, fifikon dukkan girman sassa yakan faɗi a tsakiyar yuwuwar kewayon haƙuri. Manufar hanyar SET-RIGHT ita ce a sarrafa mafi mahimmancin haƙurin da ke shafar izinin ɗaukar kaya. Waɗannan haƙurin na iya zama na ciki gaba ɗaya ga bearing, ko kuma na iya haɗawa da wasu abubuwan hawa (misali, faɗin A da B a Hoto na 1 ko Hoto na 7, da kuma diamita na waje na shaft da diamita na ciki na bearing). Sakamakon shine, tare da babban yuwuwar, izinin shigar da bearing zai faɗi cikin hanyar SET-RIGHT mai karɓuwa. Hoto na 6. Ma'aunin lanƙwasa mitar da aka rarraba akai-akai, x0.135%2.135%0.135%2.135%100% lissafi mai canzawa Matsakaicin ƙima 13.6% 13.6% 6s68.26%ss s68.26%95.46%99.73%x Hoto na 5. Mitar aikace-aikacen saitin atomatik na hanyar share bearing Mitar kayan rage injin gaba Ƙarfin ɗagawa na injin baya Ma'aunin axle na baya Ma'aunin gear mai alaƙa da fanka mai ruwa da famfon ruwa shigar da shaft matsakaici shaft ƙarfin ɗagawa shaft mai kama da na'urar famfo mai tuƙi babban raguwa babban raguwa babban shigarwa shaft daban-daban shaft matsakaici fitarwa shaft daban-daban na'urar rage duniya (duba gefe) tsarin sitiyari na hannu mai tabo mai jujjuyawar shaft sharewa Hanyar Saita SET-RIGHT Hanyar PROJECTA-SET Hanyar TORQUE-SET Hanyar CLAMP-SET Hanyar CRO-SET Jerin abubuwan da aka riga aka saita (yawanci amincin yuwuwar shine 99.73% ko 6σ, amma a cikin samarwa tare da fitarwa mafi girma, Wani lokaci yana buƙatar 99.994% ko 8σ). Ba a buƙatar gyara yayin amfani da hanyar SET-RIGHT. Abin da kawai za a yi shi ne a haɗa da kuma manne sassan injin.
Duk ma'auni da ke shafar izinin ɗaukar bearing a cikin taro, kamar juriyar ɗaukar bearing, diamita na waje na shaft, tsawon shaft, tsawon gidan ɗaukar bearing, da diamita na ciki na gidan ɗaukar bearing, ana ɗaukar su a matsayin masu canji masu zaman kansu lokacin ƙididdige kewayon yuwuwar. A cikin misalin da ke cikin Hoto na 7, an ɗora zoben ciki da na waje ta amfani da madaidaicin tsari na yau da kullun, kuma murfin ƙarshe kawai an manne shi a ƙarshen shaft ɗin. s = (1316 x 10-6)1/2= 0.036 mm3s = 3 x 0.036=0.108mm (0.0043 inci) 6s = 6 x 0.036= 0.216 mm (0.0085 inci) 99.73% na taron (iyakan yuwuwar) tazara mai yiwuwa = 0.654 Don 100% na taron mm (0.0257 inci) (misali), zaɓi 0.108 mm (0.0043 inci) a matsayin matsakaicin izinin. Ga kashi 99.73% na haɗuwa, yuwuwar iyakar sharewa shine sifili zuwa 0.216 mm (inci 0.0085). †Zoben ciki guda biyu masu zaman kansu suna daidai da canjin axial mai zaman kansa, don haka ma'aunin axial sau biyu ne. Bayan ƙididdige kewayon yuwuwar, ana buƙatar ƙayyade tsawon ma'aunin axial don samun izinin ɗaukar kaya da ake buƙata. A cikin wannan misalin, an san duk girma banda tsawon shaft. Bari mu kalli yadda ake ƙididdige tsawon shaft don samun izinin ɗaukar kaya da ya dace. Lissafin tsawon shaft (ƙididdigar girman da aka ƙayyade): B = A + 2C + 2D + 2E + F[ [2inda: A = matsakaicin faɗin gidan da ke tsakanin zoben waje = 13.000 mm (inci 0.5118) B = matsakaicin shaft Tsawon (TBD) C = Matsakaicin faɗin ɗaukar kaya kafin shigarwa = 21.550 mm (inci 0.8484) D = Ƙarin faɗin ɗaukar kaya saboda matsakaicin dacewa da zoben ciki* = 0.050 mm (inci 0.0020) E = Ƙarin faɗin ɗaukar kaya saboda matsakaicin dacewa da zoben waje* = 0.076 mm (inci 0.0030) F = (ana buƙata) matsakaicin izinin ɗaukar kaya = 0.108 mm (inci 0.0043) * An canza shi zuwa daidai haƙurin axial. Duba babin jagorar aiki na "Timken® Tapered Roller Bearing Product Catalog" don daidaitawar zoben ciki da waje.
Lokacin Saƙo: Yuni-28-2020