Ithini ireyithingi yomthwalo omileyo kunye nereyithingi yomthwalo oguqukayo webhereyi?

 

Xa sibuza malungaibhereyithaKwimodeli, sihlala sibona iindlela ezimbini, i-Cr kunye ne-Cor, i-Cr ibhekisa kumthwalo oguquguqukayo we-bearing, i-Cor ibhekisa kumthwalo ozinzileyo we-bearing. Ngoko ke yintoni i-static load rating kunye ne-dynamic load rating ye-bearing? Yintoni ubudlelwane kunye nomahluko phakathi kwezi zimbini?

Iiparameter ezintathu ezisisiseko ezisetyenziswa rhoqo kuyilo lwee-rolling bearings zezi: umthwalo osisiseko we-dynamic Cr (radial) okanye i-Ca (axial) ohlangabezana neemfuno zobomi obuthile bokudinwa; Amandla asisiseko e-static Cor (radial) okanye i-Coa (axial) ahlangabezana neemfuno ezithile zamandla e-static kunye nesantya esiphezulu se-No, esilawula ukuguguleka kwee-bearings.

 

Yintoni iibhereyithaukalisho lomthwalo ozinzileyo?

 

Uvavanyo olusisiseko lomthwalo ozinzileyo weebheringi eziqengqelekayo (i-radial Cor, i-axial Coa) lubhekisa kumthwalo weradial ocingelwayo okanye umthwalo we-axial static ophakathi olingana nomthwalo ophezulu webheringi xa uxinzelelo oluthile loqhagamshelwano lubangelwa luxinzelelo oluthile loqhagamshelwano kwiziko loqhagamshelwano lento eqengqelekayo kunye nendlela yokugijima.

 

Kwii-radial bearings, umthwalo ozinzileyo olinganiselweyo ubhekisa kumthwalo we-radial, kwi-radial thrust bearing (i-angular contact ball bearing) ubhekisa kwinxalenye ye-radial yomthwalo elayisha indlela yokugijima kwi-half ring ye-bearing, kwaye kwi-thrust bearing, ubhekisa kumthwalo we-axial ophakathi.

 

Oko kukuthi, umlinganiselo womthwalo osisigxina we-radial kunye nomlinganiselo womthwalo osisigxina we-axial we-bearing zibhekisa kumthwalo ophezulu onokuthwalwa yi-bearing xa imile okanye ijikeleza.

 

Umthamo wokuthwala umthwalo weebheringi zebhola ezinzulu ezijikelezayo xa ume okanye ujikeleza kancinci (isantya n≤10r/min) silinganiswa ngumthwalo ozinzileyo.

 

Yintoni iibhereyithaukalisho lomthwalo olutshintshatshintshayo?

 

Uvavanyo lomthwalo oguqukayo we-bearing lubhekisa koku: i-rolling bearing inokuthwala umthwalo we-radial oqhubekayo (umthwalo we-axial oqhubekayo), phantsi kwesenzo sobomi obuqhelekileyo be-100W rpm, umthwalo oguqukayo we-bearing ubonakalisa amandla e-bearing okumelana nokudinwa kwe-rolling. Uvavanyo lomthwalo oguqukayo we-radial bearing kunye ne-thrust bearings lukwaziwa njenge-radial basic dynamic load rating kunye ne-axial basic dynamic load load, ezivezwa yi-Cr kunye ne-Ca.

 

Umthamo wokuthwala umthwalo weebheringi zebhola zegroove ngexesha lokujikeleza (isantya n>10r/mim) ngumthwalo osisiseko olinganiswayo we-dynamic.

 

Kutheni umthwalo oguquguqukayo webhereyitha ungaphezulu kunomthwalo ozinzileyo olinganiselweyo?

 

Umthwalo oguquguqukayo olinganisiweyo ubhekisa kumthwalo okwi-bearing xa ubomi obulinganisiweyo buyi-1 million rpm. Umthwalo ozinzileyo olinganisiweyo ubhekisa kuqhagamshelwano phakathi kwe-rolling element kunye ne-ring raceway eyona ilayishwe kakhulu xa i-bearing iphumle, kwaye isimbuku sokuguquguquka okusisigxina kwe-rolling element kunye ne-ring raceway yi-1/10,000 yobubanzi be-rolling element.

 

Kukho ubudlelwane obuthile phakathi kobomi benkonzo yebheriya kunye nomthwalo olinganisiweyo webheriya, ngoko ke phantsi kweziphi iimeko sikhetha ibheriya ngomthwalo olinganisiweyo webheriya? Amanqaku aphambili ngala alandelayo:

 

Qaphela: Kwezinye iimeko, ubungakanani bebheri kufuneka bukhethwe ngokwereyithingi yomthwalo ongashukumiyo (echazwa njengeCo ukuze kube lula ukuchaza) endaweni yobomi bebheri.

 

1. Phantsi kwesenzo somthwalo oqhubekayo okanye ongapheliyo, ibhereyitha ayitshintshi.

 

2. Phantsi komthwalo, ibhereji yenza kuphela ukushukuma okucothayo okanye intshukumo ehlengahlengiswayo.

 

3. Phantsi komthwalo, isantya sebheri siphantsi kakhulu (ngaphantsi kwe-10 revolutions ngomzuzu) kwaye sidinga ubomi obufutshane kuphela. Ngokukodwa, kule meko, kumthwalo olinganayo onikiweyo u-P, umlinganiselo osisiseko womthwalo oguqukayo u-C uphantsi kakhulu ngokwefomula yobomi, ukuze ibheri ekhethiweyo ibe nokuxinana kakhulu ekusebenzeni.

 

4. Ukongeza kumthwalo oqhelekileyo wokusebenza, kufuneka ithwale umthwalo onzima kakhulu, kwaye ibhereyi iyajikeleza.

 

Kwimeko nganye kwezi, umthwalo onokuwunyamezela ibhereyitha awuxhomekekanga ekudinweni kwezinto, kodwa kwinqanaba lokuguquka okusisigxina kwendlela yokugijima ebangelwa ngumthwalo.