iindaba

Intshayelelo kwiibheringi ezigqunywe ngombane

 

Okokuqala, injongoiibheringi ezikhusela ngombane

 

Ezi zibizwa ngokuba ziibheringi ezigqunywe ngombane nazo ziibheringi ezigqunywe ngombane, kwaye iibheringi ezigqunywe ngombane ziquka zonke iibheringi eziqengqelekayo ezinokuthintela ukudlula komsinga wombane. Iibheringi ezine-ceramic coating, zombini izangqa zangaphakathi nezangaphandle, zibizwa ngokuba ziibheringi ezigqunywe ngombane. I-ceramic coating ithintela ukudlula komsinga wombane kwaye inako ukugqunywa ngombane.

 

Izinto eziqengqelekayo zeiibheringi ezixutyiweyoZenziwe nge-ceramic kwaye ke ngoko zineempawu zokuthintela ubushushu. Zenziwe ngezinto eziqengqelekayo ukuthintela ukudlula kombane.

 

Okwesibini, ukukhethwa kwe-insulation yokuthwala

 

Ngokubanzi, kunzima kakhulu ukuphelisa ngokupheleleyo umahluko onokubakho ngaphakathi kwebheriyali. Nangona kunjalo, ukuba singayimisa okanye sinciphise kakhulu ukuhamba komsinga kwibheriyali, singayithintela i-galvanic corrosion yebheriyali. Uluhlu olubanzi lweebheriyali ezigqunyiweyo okwangoku zenzelwe le njongo. Ngokuxhomekeke kuhlobo lwevolthi eveliswayo, indlela yokukhusela ibheriyali iyakhethwa.

 

1. I-voltage ebangelwayo eveliswa ecaleni kweshaft

 

2. I-voltage phakathi kwe-shaft kunye nesihlalo sokuthwala

 

Ukuba i-voltage iyenzeka phakathi kwe-shaft kunye ne-housing, i-current ihamba nge-bearing nganye kwicala elinye. Oku kungenxa kakhulu ye-voltage ye-common-mode eziswa yi-frequency converter. Kule meko, ii-bearing kuzo zombini iziphelo ze-motor kufuneka zifakwe i-insulation, kwaye into ebalulekileyo ekukhetheni i-insulation ziimpawu zexesha zangoku kunye ne-voltage. Kwimeko ye-DC voltage okanye i-AC voltage ephantsi, isiphumo se-insulation sixhomekeke kwixabiso elimsulwa lokumelana kwe-insulation layer; Kwimeko ye-AC voltages ephezulu (efumaneka rhoqo kwizixhobo ezisebenzisa ii-frequency converters), kuxhomekeke kwi-capacitive reactance ye-insulation.

 

3. Imeko eqhelekileyo yomonakalo weebheringi obangelwa yi-overcurrent

 

1. Imigca kwiindlela zomdyarho kunye nezinto eziqengqelekayo

 

Nokuba i-bearing iqhutywa yi-direct current okanye i-alternating current (i-frequency engaphantsi kwe-MHz), sinokuhlala sifumana uhlobo olufanayo lokusilela ngaphakathi kwe-bearing.

 

2. Iimpawu zomjelo wokhukuliseko lwe-electro-end

 

I-groove ebizwa ngokuba yi-electro-erosion ibhekisa kwi-groove eqhubekayo rhoqo kumphezulu wendlela yokugijima kwicala lokusebenza. Uninzi lwezi zinto zibangelwa ngumsinga odlula kwi-bearing.

 

Okwesine, phantsi kwe-microscope ukujonga isakhiwo esonakeleyo sebheyari ye-overcurrent

 

Kuphela ngokuskena i-electron microscopy (SEM) apho kuyacaca ukuba phantse yonke indawo eyonakeleyo igqunywe kakhulu yimingxunya kunye namalungu e-solder e-μm.

 

Okwesihlanu, inkqubo yomonakalo wokuthwala

 

Ezi pits kunye neendawo zokudibanisa zibangelwa kukuphuma komsinga phakathi kwamanqaku amancinci oqhagamshelwano kumphezulu wendlela yokugijima kunye nezinto eziqengqelekayo. Kwimeko yokuthambisa ngokupheleleyo kolwelo, umsinga wombane udlula kwindawo ebuthathaka yefilimu yeoyile, kwaye amandla aveliswa yintlantsi yombane anyibilikisa umphezulu wesinyithi esikufutshane ngephanyazo.

 

Kwimeko yokungqubana okuxutyiweyo (ukudibana kwentsimbi nesinyithi), iindawo ezikufutshane nazo ziyahlangana, kodwa zahlulwa ngokukhawuleza njengoko ibheriya ihamba. Kuzo zombini iimeko, izinto ziyahlukana nomphezulu wesinyithi kwaye ziqine ngoko nangoko zibe yijoyinti yesolder. Kukwakho nezinye iindawo zesolder ezixutywe ne-lubricant kunye nezinye ezibekwe kumphezulu wendlela yokugijima. Njengoko ibheriya iqhubeka ihamba, ezi ndawo zesolder kunye neemingxuma nazo ziyaqengqeleka kwaye zilungiswe kakuhle. Phantsi kwesenzo sombane oqhubekayo, inkqubo yokunyibilika kunye nokuqina iphindaphindwa amaxesha amaninzi kumaleko womphezulu obhityileyo womphezulu okufutshane.

 

6. Impembelelo yamandla ombane kwizithambisi

 

Imisinga yombane nayo inokuba nefuthe elibi kwi-lubricant. Ii-oyile ezisisiseko kunye nezongezo ziyanyibilika kwaye ziqhekeke. Olu tshintsho lunokubonwa ngokucacileyo kwi-infrared spectrogram. Ukwaluphala ngaphambi kwexesha kunye nokuqokelelana kwamasuntswana esinyithi e-ferrous kunokukhokelela ekuwohlokeni kokusebenza kwe-lubricant kwaye kunokukhokelela ekugqithiseni kakhulu kweebheringi.