①Lapho indawo yokubekezelela i-diameter yangaphakathi kanye nendawo yokubekezelela i-shaft yenza ukulingana, ikhodi yokubekezelela ewushintsho olulingana nesistimu yembobo evamile izoba ukulingana kokuwina ngaphezulu, njenge-k5, k6, m5, m6, n6 , njll., kodwa inani eliwinile ngokweqile alilikhulu; lapho ukubekezelela kwe-diameter yangaphakathi kufaniswe no-h5, h6, g5, g6, njll., akuyona imvume kodwa ukulingana kokuwina ngokweqile.

②Ngenxa yokuthi inani lokubekezelela le-diameter yangaphandle elithwele lihlukile kushafti yereferensi evamile, liphinde libe indawo ekhethekile yokubekezelela. Ezimweni eziningi, indandatho yangaphandle igxilile emgodini wezindlu, futhi ezinye izingxenye ezithwalayo zidinga ukulungiswa ngokuvumelana nezidingo zesakhiwo, futhi ukusebenzisana kwazo akufanelekile. Iqine kakhulu, ivamise ukusebenzisana ne-H6, H7, J6, J7, Js6, Js7, njll.

Okunamathiselwe: Ngaphansi kwezimo ezijwayelekile, i-shaft ngokuvamile imakwa ngokuthi 0~+0.005. Uma ingavamisile ukuhlakazwa, ingu-+0.005~+0.01 ukulingana kokuphazamiseka. Uma ufuna ukuqaqa njalo, kuwukulingana koshintsho. Kudingeka futhi sicabangele ukunwetshwa okushisayo kwempahla ye-shaft ngokwayo ngesikhathi sokuzungezisa, ngakho-ke ukuthwala kukhudlwana, kungcono ukulingana kwe-clearance -0.005~0, futhi ukulingana okuphezulu kwemvume akufanele kudlule u-0.01. Okunye ukuphazanyiswa kwekhoyili ehambayo kanye nokucaciswa kweringi emile.

Ukulingana kwe-Bearing ngokuvamile kuwukulingana koshintsho, kodwa ukulingana kokuphazamiseka kungokuzithandela ezimweni ezikhethekile, kodwa akuvamile. Ngenxa yokuthi ukufanisa phakathi kwe-bearing kanye ne-shaft kuwumdlalo phakathi kwendandatho yangaphakathi ye-bearing kanye ne-shaft, uhlelo lwe-hole yesisekelo luyasetshenziswa. Ekuqaleni, ukuthwala kufanele kube yi-zero ngokuphelele. Uma usayizi womkhawulo omncane umataniswa, indandatho yangaphakathi iyagingqika futhi ilimaze ingaphezulu le-shaft, ngakho-ke iringi yethu engaphakathi inokubekezelela ukuchezuka okuphansi kuka-0 kuya ku-μ amaningana ukuze kuqinisekiswe ukuthi iringi yangaphakathi ayijikelezi, ngakho-ke ukuthwala kuvame ukukhetha. ukulingana koshintsho, noma Ngisho noma ukulingana koshintsho kukhethiwe, ukuphazamiseka akufanele kudlule izintambo ezi-3.

Izinga lokunemba elihambisanayo livame ukukhethwa ezingeni 6. Ngezinye izikhathi kuncike ezintweni kanye nobuchwepheshe bokucubungula. Ngokombono, ileveli 7 iphansi kancane, futhi uma ifaniswe neleveli 5, ukugaya kuyadingeka.