Ngokokujikeleza komthwalo osebenza ekuthwaleni ngokunxulumene neringi, kukho iindidi ezintathu zemithwalo ethiukuthwala okuqengqelekayoiibhere zeringi: umthwalo wendawo, umthwalo webhayisikile, kunye nomthwalo wokujingi. Ngokuqhelekileyo, umthwalo we-cyclic (umthwalo wokujikeleza) kunye nomthwalo we-swing usebenzisa i-tight fit fit; ngaphandle kweemfuno ezikhethekileyo zemithwalo yendawo, ngokuqhelekileyo ayifanelekanga ukusebenzisa i-tight fit. Xa umsesane ojikelezayo uphantsi komthwalo oguquguqukayo kwaye ungumthwalo onzima, amakhonkco angaphakathi nangaphandle kufuneka athathe ukulungelelaniswa kokuphazamiseka, kodwa ngamanye amaxesha umsesane wangaphandle unokukhululeka kancinci, kwaye kufuneka ikwazi ukuhamba nge-axially kwindlu yokuthwala. umngxuma wezindlu; xa Xa umsesane wokuthwala uphantsi kwemithwalo ye-oscillating kunye nomthwalo ulula, ukulungelelaniswa okuncinci kunokuba kusetyenziswe ngokuqinileyo.

Ubungakanani bomthwalo

Ukuphazamiseka phakathi kwendandatho yokuthwala kunye ne-shaft okanye umngxuma wezindlu kuxhomekeke kubukhulu bomthwalo. Xa umthwalo unzima, ukulungelelaniswa okukhulu kokuphazamiseka kusetyenziswa; xa umthwalo ulula, ukulungelelaniswa kokuphazamiseka okuncinci kusetyenziswa. Ngokuqhelekileyo, xa umthwalo we-radial P ungaphantsi kwe-0.07C, ngumthwalo olula, xa i-P inkulu kune-0.07C kwaye ilingana okanye ngaphantsi kwe-0.15C, ngumthwalo oqhelekileyo, kwaye xa i-P inkulu kune-0.15C, ngumthwalo onzima (C ngumthwalo olinganisiweyo oguquguqukayo wokuthwala).

Ubushushu bokusebenza

Xa ukuthwala kuqhuba, ubushushu be-ferrule buhlala buphezulu kunobushushu beendawo ezikufutshane. Ngako oko, i-ring yangaphakathi ye-bearing ingaba yinto ekhululekile kunye ne-shaft ngenxa yokwandiswa kwe-thermal, kunye nendandatho yangaphandle inokuchaphazela ukunyakaza kwe-axial ye-bearing kwi-hole yezindlu ngenxa yokwandiswa kwe-thermal. Xa ukhetha ukulungelelaniswa, ukuhluka kweqondo lokushisa kunye nokwandiswa kunye nokuchithwa kwesixhobo sokuthwala kufuneka kuthathelwe ingqalelo. Xa umehluko weqondo lokushisa ukhulu, ukuphazamiseka okufanelekileyo phakathi kwe-shaft kunye nendandatho yangaphakathi kufuneka ibe mkhulu.

Ukuchaneka kokujikeleza

Xa ukuthwala kuneemfuno eziphezulu zokuchaneka kokujikeleza, ukwenzela ukuba kupheliswe impembelelo ye-elastic deformation kunye ne-vibration, ukusetyenziswa kwe-clean fit fit kufuneka kugwenywe.

Ubume kunye nemathiriyeli yokuthwala izindlu

Ngomngxunya wezindlu ezisemthethweni, akucebisi ukuba kusetyenziswe ukulungelelaniswa kokuphazamiseka xa udibana nentsimbi yangaphandle ethwele, kwaye ikhonkco yangaphandle ayifanele ijikelezwe kumngxuma wezindlu. Kwiibheringi ezixhonywe eludongeni olucekethekileyo, lwentsimbi ekhanyayo, okanye kwimingxuma ekroliweyo, kufuneka kusetyenziswe ukulingana okungqongqo kunodonga olungqindilili, intsimbi etyhidiweyo, okanye ishafti eziqinileyo.

Ufakelo olulula kunye nokuqhaqha

Kumatshini onzima, ukulingana okukhululekile kufuneka kusetyenziswe kwiibheringi. Xa kufuneka i-tight fit, i-bearing edibeneyo, i-tapered bore kwindandatho yangaphakathi kunye ne-bearing ene-adapter sleeve okanye umkhono wokurhoxisa unokukhethwa.

Ukufuduswa kwe-axial yokuthwala

Ngexesha lokufaneleka, xa i-ring ye-bearing ifuneka ukuba ikwazi ukuhamba nge-axially ngexesha lokusebenza, i-ring yangaphandle ye-bearing kunye nomngxuma wezindlu.ukuzalaindlu kufuneka ithathe indawo ekhululekileyo.

Ukukhetha kufanelekile

Ukudibanisa phakathi kokuthwala kunye ne-shaft yamkela inkqubo yesiseko somngxuma, kwaye ukudibanisa kunye nezindlu kwamkela inkqubo ye-shaft yesiseko. Ukulungelelaniswa phakathi kokuthwala kunye ne-shaft kuyahluke kwi-tolerance fit system esetyenziswa kumashishini okuvelisa umatshini. Ummandla wokunyamezela we-diameter yangaphakathi yokuthwala ubukhulu becala ngaphantsi kotshintsho. Ngoko ke, phantsi kweemeko zokulingana okufanayo, umlinganiselo ofanelekileyo we-diameter yangaphakathi yokuthwala kunye ne-shaft idla ngokuba nzima. . Nangona indawo yokunyamezela yobubanzi obungaphandle bokuthwala kunye nendawo yokunyamezela yenkqubo ye-shaft yesiseko zombini zingaphantsi komgca we-zero, ixabiso labo alifani nenkqubo yokunyamezela ngokubanzi.