1. Incazelo kanye Nezimiso Zobuchwepheshe Eziyinhloko Zezinyunyana Ezijikelezayo Ezisheshayo

I-rotary union enejubane eliphezulu iyi-mechanical transmission kanye ne-sealing assembly enembile kakhulu, umsebenzi wayo oyinhloko ukufeza ukudluliswa okuqhubekayo kwemidiya (uketshezi, igesi, umusi, njll.) phakathi kwemishini ejikelezayo (i-rotor) namapayipi aqinile (i-stator). Inzuzo yayo eyinhloko yobuchwepheshe itholakala ekuzinzeni kokuvala kanye nokuthembeka kokudlulisa okuvumelaniswe nezimo zokusebenza zejubane eliphezulu. Uma kuqhathaniswa nama-rotary union ajwayelekile, ama-rotary union anejubane eliphezulu asebenze kahle ngokwesakhiwo ngezimo zejubane eliphezulu, ngokuvamile avumelana nebanga lejubane elingu-3000-15000r/min, futhi angafinyelela ukusebenza kwejubane elikhulu okungaphezu kuka-20000r/min ngokuklama okukhethekile kwesakhiwo (njengokwenza ngcono ibhalansi enamandla kanye nokusetshenziswa kwezinto ezilula).

Umgomo wayo oyinhloko wokusebenza uncike ekubambisaneni okuhlelekile kohlelo lokuthwala olunembile kanye nesakhiwo sokuvala esihlanganisiwe: ama-precision bearings (ikakhulukazi ama-angular contact ball bearings noma ama-ceramic rolling bearings) anesibopho sokusekela uhlelo lomgodi ojikelezayo, ukuqinisekisa i-coaxiality kanye nokusebenza okubushelelezi ngesivinini esiphezulu, kanye nokulawula ukugeleza kwe-radial ≤ 0.02mm; isakhiwo sokuvala esihlanganisiwe (ikakhulukazi i-graphite-silicon carbide mechanical seal, ehlanganiswe nama-polytetrafluoroethylene assistant seals) sakha isixhumi esiqinile sokuvala phakathi kwendawo ejikelezayo kanye nendawo emile ngokucindezela okuthile kokuvala okuhleliwe, okuvimbela ngempumelelo ukuvuza kwemidiya, ngenkathi kunciphisa ukulahlekelwa kokungqubuzana kwendawo yokuvala nokuqinisekisa ukuzinza kokusebenza kwesikhathi eside ngesivinini esiphezulu.

2. Izinkambu Eziyinhloko Zokusebenza kanye Nezidingo Zobuchwepheshe zeAma-Rotary Unions Ahamba Ngesivinini Esiphezulu

Ama-rotary unions asheshayo asetshenziswa kabanzi emikhakheni yemishini ephezulu enezidingo eziqinile zesivinini, ukusebenza kokuvala kanye nobumsulwa obuphakathi. Izimo ezahlukene zokusetshenziswa zihambisana nobuchwepheshe obucacile.

2.1 Insimu Yokucubungula Amathuluzi Omshini

Isetshenziswa kakhulu ohlelweni lwe-spindle lwezikhungo zomshini wejubane eliphezulu kanye nama-lathe e-CNC. Umsebenzi wayo oyinhloko ukuletha uketshezi lokupholisa (njenge-emulsion, uwoyela wokusika) noma umoya ocindezelwe ku-spindle ejikelezayo esheshayo kanye namathuluzi, okwenza kube lula ukupholisa amathuluzi, ukususwa kwama-chip kanye nokugcotshwa kwe-spindle. Lesi simo sidinga ukuthi i-rotary union ivumelane nesivinini esingu-8000-12000r/min, ngokuvuza kwe-seal ≤ 0.1cc/h, futhi idinga ukuba nokumelana nokugqwala koketshezi lokusika kanye nokumelana nokudlidliza ukuqinisekisa ukuthi ukugeleza kwe-radial kwe-spindle akuthinti ukunemba komshini.

2.2 Insimu Yemishini Yokupakisha

Ihambisana nemigqa yokugcwalisa esheshayo kanye nemishini yokupakisha ejikelezayo, esetshenziselwa ukudlulisa izinto eziwuketshezi (njengeziphuzo, amasoso) noma imidiya yomoya, ukuqinisekisa ukuqhubeka nokuzinza kwenqubo yokupakisha. I-rotary union iyadingeka ukuthi ibe nesivinini esingu-3000-6000r/min, isakhiwo sokuvala esingena-engeli efile ukuze kugwenywe ukungcola okuphakathi nendawo, futhi ngesikhathi esifanayo ivumelane nezinto zokuvala ezisezingeni lokudla (njenge-fluororubber yezinga lokudla), ihambisana nezindinganiso zokuhlanzeka kwemishini yokudla.

2.3 Insimu Yemishini Yamandla Omoya

     Isetshenziswa ohlelweni lokulawula iphimbo lamayunithi akhiqiza amandla omoya, olunesibopho sokudlulisa uwoyela noma amafutha e-hydraulic, ukulawula ukulungiswa kwe-blade angle, nokuqinisekisa ukusebenza okuzinzile kweyunithi ngaphansi kwesivinini somoya esihlukile. Lesi simo sidinga ukuthi i-rotary union ivumelane nesivinini esingu-5000-8000r/min, ibe nokumelana nokushisa okuphezulu nokuphansi (-40℃ ~ + 80℃) kanye nokumelana nesihlabathi, isakhiwo sokuvala sidinga ukumelana nokucindezela okuphezulu (≤10MPa), futhi sibe nokusebenza kokuvala isikhathi eside ukuze kuncishiswe imvamisa yokusebenza nokugcinwa.

2.4 Insimu Yokukhiqiza Ama-semiconductor

Isetshenziswa ekuqopheni i-wafer, ekufakweni kwefilimu encane kanye neminye imishini. Umsebenzi wayo oyinhloko ukuletha imidiya emsulwa kakhulu (njengamanzi amsulwa kakhulu, amagesi akhethekile). I-rotary union iyadingeka ukuthi ibe nesivinini esingu-6000-15000r/min, indawo yokuvala ithatha umklamo ongenazinhlayiya, izinga lokuhlanzeka eliphakathi lifinyelela ku-Class 10 ukuvimbela ukungcola ekungcoliseni i-wafer, futhi inokumelana nokugqwala ukuze ivumelane nezidingo zokudlulisela zamagesi akhethekile (njenge-hydrogen fluoride, i-ammonia).

3. Amasu Okwandisa Impilo Yesevisi kanye Nemininingwane Yokunakekelwa kweAma-Rotary Unions Ahamba Ngesivinini Esiphezulu

Impilo yesevisi yama-rotary unions asheshayo incike kakhulu ekugugeni kwendawo yokuvala, ukulahlekelwa amabhere kanye nokunemba kokufakwa. Uma kuhlanganiswa nezici zayo zokusebenza, kuyadingeka ukulandela ngokuqinile izimiso ezintathu zokunakekela eziyinhloko "zokuhlanzeka, ukugcoba kanye nokuqondanisa". Imininingwane ethile yilena elandelayo:

3.1 Ukulawulwa Kokuhlanzeka Okuphakathi Nokwemvelo

Ukuhlanzeka okumaphakathi kuyisihluthulelo sokuqinisekisa impilo yenkonzo yendawo yokuvala. Isihlungi esinembile (ukunemba kokuhlunga ≤5μm) kufanele sifakwe engxenyeni engaphambili yepayipi lokudlulisa elimaphakathi ukuze kugwenywe izinhlayiya eziqinile kanye nokungcola okungena endaweni yokuvala, okubangela ukuklwebheka kanye nokuguguleka endaweni yokuvala; hlanza njalo isiteshi sokugeleza sangaphakathi se-rotary union ukuvimbela ukwakheka kwekristalu okumaphakathi kanye nokukhula. Ikakhulukazi kuma-media okushisa okuphezulu (njengowoyela wokudlulisa ukushisa), kuyadingeka ukubona njalo okuqukethwe kwe-viscosity okumaphakathi kanye nokungcola, bese ushintsha indawo ebolile ngesikhathi. Ngesikhathi esifanayo, gwema ukuveza ijoyinti othulini nasezindaweni zegesi ezibolile, bese ufaka isembozo esivikelayo uma kudingeka.

3.2 Ukulungiswa Kokugcoba Kwesayensi

Khetha amafutha akhethekile (njengamafutha asheshayo namazinga okushisa aphezulu, izinga lokushisa elifanele -20℃ ~ +150℃) ngokwemigomo yesimo sokusebenza, bese uwafaka noma uwashintshe njalo. Umjikelezo wokufaka esikhundleni ulungiswa ngokwejubane nezimo zokusebenza, futhi ushintshwa njalo ezinyangeni ezi-3-6 ngaphansi kwezimo zokusebenza ezijwayelekile; inani lokufakwa kwamafutha kufanele lilawulwe ku-1/2-2/3 yevolumu yokuthwala ukuze kugwenywe ukufakwa kwekhabhoni emazingeni okushisa aphezulu okubangelwa ukujova ngokweqile noma ukungqubuzana okomile kwebhere okubangelwa ukujova okunganele. Akuvunyelwe ukufaka esikhundleni imikhiqizo ekhethekile ngamafutha ajwayelekile ukuvimbela umonakalo webhere ngenxa yokwehluleka kokugcoba.

3.3 Ukufakwa Nokulawulwa Kokunemba Kokuhlela

 Ngesikhathi sokufakwa, kubalulekile ukuqinisekisa ukuthi iphutha le-coaxiality phakathi kwe-rotary union kanye ne-rotation shaft lingu-≤0.05mm, kanti ukuphela kokugijima kungu-≤0.03mm, ukuze kugwenywe amandla okuthwala angalingani kanye nokuguguleka okusheshayo kwendawo yokuvala okubangelwa ukusebenza okungavamile; i-mounting flange kufanele ibe yicaba, futhi ama-fastening bolts kufanele agxishwe ngokulinganayo ukuze kuvinjelwe ukuguquka kwamalunga; ngaphambi kokusebenza, kubalulekile ukwenza ukuhlolwa kokungasebenzisi umthwalo, ukuhlola ijubane, ukudlidliza kanye nokuvuza, bese uyifaka ekusebenzeni komthwalo kuphela ngemva kokuqinisekisa ukuthi akukho ukuphazamiseka. Ngemva kokuvala, kunconywa ukukhipha amanzi ngaphakathi, ikakhulukazi i-medium eqiniswe kalula futhi eqinile (njengoketshezi lokupholisa oluphansi), ukuvimbela i-medium ukuthi iqine futhi yonakalise izivalo nama-bearings.

3.4 Ukuhlolwa Okuvamile kanye Nokuxazulula Amaphutha

Thola njalo amapharamitha okusebenza e-rotary union, okuhlanganisa isivinini, izinga lokushisa, inani lokudlidliza kanye nokuvuza. Uma kukhona ukudlidliza okungavamile (inani lokudlidliza >2.5mm/s), ukuvuza okweqile kwesivalo noma izinga lokushisa okweqile lobuso bejoyinti (>80℃), kuyadingeka ukuvala ukuze kuhlolwe ngesikhathi; hlola njalo ukuguguleka kwezivalo. Uma kutholakala imihuzuko, umonakalo noma ukuguga ebusweni bokuvala, kuyadingeka ukufaka esikhundleni se-sealing assembly yencazelo efanayo kanye nezinto ngesikhathi ukuze kugwenywe ukwandisa iphutha.

4. Isiphetho

Njengengxenye ebalulekile yokunemba emishinini ephezulu, ukusebenza kwama-rotary unions asheshayo kuthinta ngqo ukuzinza kokusebenza, ukunemba komshini kanye nempilo yesevisi yemishini. Ngokucacisa izimiso zayo zobuchwepheshe eziyinhloko, izidingo zobuchwepheshe ezivumelaniswe nezinkambu ezahlukene, nangokulandela ngokuqinile imininingwane yokugcinwa kokuhlanzeka, ukugcoba kanye nokuqondanisa, impilo yayo yesevisi ingandiswa ngempumelelo futhi izindleko zokusebenza nokugcinwa zingancishiswa. Ezisetshenzisweni ezisebenzayo, kuyadingeka ukukhetha imodeli yomkhiqizo efanele ngokuya ngezimo zokusebenza ezithile (isivinini, okuphakathi, ingcindezi, izinga lokushisa) ukuqinisekisa ukuthi isebenzisa ukusebenza okuhle kakhulu.