izindaba

Yiziphi izidingo ezikhethekile zamabheringi enjini yendiza, nokuthi ungafinyelela kanjani ukumelana nokushisa okuphezulu kanye nokugcotshwa?

 

Okokuqala, ake siqonde izimo zokusebenza kwezinjini zezindiza:

 

1. Isivinini esiphezulu, isivinini senjini yendiza evamile singaphezu kuka-18000 rpm, futhi izidingo zezinto zokwakha ziphezulu kakhulu ngesivinini esikhulu kangaka.

 

2. Izinga lokushisa eliphezulu, izinga lokushisa lokusebenza kwenjini liphezulu kakhulu, izinga lokushisa lokusebenza kwebheri lingafinyelela ku-300 °C, izinto zobheri kudingeka zikwazi ukumelana nokushisa okuphezulu.

 

3. Ukuthembeka okuphezulu, kungakhathaliseki ukuthi yindiza yomphakathi noma indiza yempi, izidingo zokuthembeka ziphakeme kakhulu, futhi umehluko omncane echibini uyindaba yokuphila komuntu.

 

Ngenxa ye-izinga lokushisa eliphezulu lokusebenza kwebhereyitha, indandatho yangaphandle yenziwe ngezinto ze-AISI M50 ezinokumelana nokushisa okuphezulu kanye nokuqina kokushisa okuphezulu, ezingase zifinyelele ubulukhuni obungu-58HRC ku-300°C.

Uma isebenza ngesivinini esikhulu, ngoba indandatho yangaphakathi yebhereyi iyajikeleza, amandla e-centrifugal makhulu kakhulu, futhi ingxenye evundlile yendandatho yangaphakathi yebhereyi ithwala ukucindezeleka kokudonsa okugoqekile, ngakho-ke akunakuba khona imifantu emincane ebusweni bendandatho yangaphakathi ukugwema ukusabalala kwemifantu ngaphansi kokucindezeleka kokudonsa, ngakho-ke izinto ze-AISI M50NiL zivame ukusetshenziswa njengendandatho yangaphakathi.

 

Ngenxa yesivinini esikhulu kakhulu, ukuze kuncishiswe umthwalo owengeziwe olethwa amandla e-centrifugal ebhola lensimbi, izinto ze-ceramic ezinesisindo esincane kanye nobunzima obuphezulu, njenge-silicon nitride (Si3N4) noma i-titanium carbide (TiC), ngokuvamile zisetshenziswa njengezinto zebhola lensimbi, futhi ngezinye izikhathi ukuze kwandiswe ukumelana nokuguguleka kwezindandatho zangaphakathi nezangaphandle zebhereyi futhi kuncishiswe ukungqubuzana, imigwaqo yomjaho yangaphakathi neyangaphandle nayo ifuthwa nge-ceramics.

 

Izinga lokushisa lenjini lingaba ngaphezu kuka-300 °C, eliphakeme kakhulu lingaphezu kuka-1500 °C, indlela yokuthwala izinga lokushisa ingu-300 °C kuphela, lokhu kuyinzuzo yesistimu yokugcoba, empeleni, uhlelo lokugcoba oluthwalayo lunomsebenzi oyinhloko ukupholisa.

Ingxenye yayo iwukugcotshwa, ukugcotshwa kwenjini kufana nokugcotshwa kwama-general bearings, ngoba ijubane lokuthwala liphezulu kakhulu, alikwazi ukusebenzisa ukugoba kokuthintana, ngakho-ke i-engine bearing iyindlela yokubopha ye-labyrinth, kodwa uwoyela wokugcoba awusebenzisayo ungcono kakhulu, ngoba izinga lokushisa lokusebenza liphezulu kakhulu, uwoyela wokugcoba ojwayelekile kulula ukuwugcoba futhi uwohloke, ngakho-ke ngokuvamile usetshenziswa uwoyela wokwenziwa i-MIL-PRF23699HTS.

 

Uma ufuna ukwazi ulwazi oluthe xaxa mayelana nalokhu, sicela uxhumane nathi:
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