1. Inkcazo kunye neMigaqo yoBugcisa ePhambili yeeManyano zeRotary eziKhawulezayo

I-rotary union ekhawulezayo yindibano yokudlulisa nokuvala echanekileyo ngoomatshini, enomsebenzi wayo ophambili kukufezekisa ukuhanjiswa okuqhubekayo kwemidiya (ulwelo, igesi, umphunga, njl.njl.) phakathi kwezixhobo ezijikelezayo (i-rotor) kunye nemibhobho esisigxina (i-stator). Inzuzo yayo yobugcisa iphambili kukuzinza kokuvala kunye nokuthembeka kokudlulisa okulungiselelwe iimeko zokusebenza zesantya esiphezulu. Xa kuthelekiswa nee-rotary unions eziqhelekileyo, ii-rotary unions ezikhawulezayo ziye zafumana ukulungiswa kwesakhiwo kwiimeko zesantya esiphezulu, zihlala zilungelelanisa noluhlu lwesantya se-3000-15000r/min, kwaye zinokufikelela ekusebenzeni ngesantya esiphezulu esingaphezulu kwe-20000r/min ngoyilo olukhethekileyo lwesakhiwo (njengokulungiswa kwebhalansi eguquguqukayo kunye nokusetyenziswa kwezinto ezilula).

Umgaqo wayo oyintloko wokusebenza uxhomekeke kwintsebenziswano edibeneyo yenkqubo yokuthwala ngokuchanekileyo kunye nesakhiwo sokuvala esihlanganisiweyo: iibheringi ezichanekileyo (uninzi lweebheringi zebhola zoqhagamshelwano ze-angular ezikhawulezayo okanye iibheringi eziqengqelekayo ze-ceramic) zinoxanduva lokuxhasa inkqubo yeshaft ejikelezayo, ukuqinisekisa ukuba i-coaxiality kunye nokusebenza okugudileyo ngesantya esiphezulu, kunye nokulawula ukuqengqeleka kwe-radial ≤ 0.02mm; isakhiwo sokuvala esihlanganisiweyo (ngokuyintloko i-graphite-silicon carbide mechanical seal, idityaniswe nee-polytetrafluoroethylene assistant seals) senza ujongano oluzinzileyo lokutywina phakathi komphezulu ojikelezayo kunye nomphezulu omileyo ngokutywina kwangaphambili uxinzelelo oluthile, ukuthintela ngempumelelo ukuvuza kwemidiya, ngelixa kunciphisa ukulahleka kokungqubana komphezulu wokuvala kunye nokuqinisekisa uzinzo lokusebenza kwexesha elide kwisantya esiphezulu.

2. Iinkalo zeSicelo esiPhambili kunye neeMfuno zobuGcisa zeIimanyano zeRotary ezikhawulezayo

Iiyuniyoni ezijikelezayo ezinesantya esiphezulu zisetyenziswa kakhulu kwiindawo zezixhobo eziphezulu ezineemfuno ezingqongqo malunga nesantya, ukusebenza kokutywina kunye nobunyulu obuphakathi. Iimeko ezahlukeneyo zokusetyenziswa zihambelana nobuchwephesha obucacileyo.

2.1 Intsimi yokuCwangcisa izixhobo zoMatshini

Isetyenziswa kakhulu kwinkqubo ye-spindle yeziko zoomatshini ezikhawulezayo kunye nee-CNC lathes. Umsebenzi wayo ophambili kukuhambisa ulwelo lokupholisa (olufana ne-emulsion, ioyile yokusika) okanye umoya ocinezelweyo kwi-spindle ejikelezayo enesantya esiphezulu kunye nezixhobo, ukwenza ukupholisa izixhobo, ukususa iitship kunye nokuthambisa i-spindle. Le meko ifuna ukuba i-rotary union ivumelane nesantya se-8000-12000r/min, kunye nokuvuza kwe-seal ≤ 0.1cc/h, kwaye kufuneka ibe nokumelana nokugqwala kolwelo lokusika kunye nokumelana nokungcangcazela ukuqinisekisa ukuba ukugeleza kwe-spindle akuchaphazeli ukuchaneka koomatshini.

2.2 Intsimi yoomatshini bokupakisha

Ilungelelaniswe kwimigca yokuzalisa ekhawulezayo kunye noomatshini bokupakisha abajikelezayo, abasetyenziselwa ukuhambisa izinto ezingamanzi ngokulandelelana (ezifana neziselo, iisosi) okanye imidiya yomoya, ukuqinisekisa ukuqhubeka nokuzinza kwenkqubo yokupakisha. I-rotary union iyadingeka ukuba ibe nesantya se-3000-6000r/min, isakhiwo sokutywina esingena-engile efileyo ukuze kuthintelwe ungcoliseko oluphakathi, kwaye kwangaxeshanye ilungelelaniswe nezixhobo zokutywina ezikumgangatho wokutya (ezifana ne-fluororubber ekumgangatho wokutya), ithobela imigangatho yococeko loomatshini bokutya.

2.3 Intsimi yezixhobo zamandla omoya

     Isetyenziswa kwinkqubo yokulawula iphithi yeeyunithi ezivelisa amandla omoya, enoxanduva lokudlulisa ioyile ye-hydraulic okanye igrisi, ukulawula uhlengahlengiso lwe-blade angle, kunye nokuqinisekisa ukusebenza okuzinzileyo kweyunithi phantsi kwesantya somoya esahlukileyo. Le meko ifuna ukuba i-rotary union ivumelane nesantya se-5000-8000r/min, ibe nokumelana nobushushu obuphezulu nobuphantsi (-40℃ ~ + 80℃) kunye nokumelana nesanti, isakhiwo sokutywina kufuneka simelane noxinzelelo oluphezulu (≤10MPa), kwaye sibe nokusebenza kokutywina ixesha elide ukunciphisa ukuphindaphinda kokusebenza kunye nokugcinwa.

2.4 ICandelo lokuVelisa iiSemiconductor

Isetyenziswa ekugrumbeni i-wafer, ekubekeni ifilimu encinci kunye nezinye izixhobo. Umsebenzi wayo ophambili kukuhambisa imidiya ecocekileyo kakhulu (njengamanzi acocekileyo kakhulu, iigesi ezikhethekileyo). I-rotary union iyadingeka ukuba ibe nesantya se-6000-15000r/min, umphezulu wokutywina usebenzisa uyilo olungenazintwana, inqanaba eliphakathi lokucoceka lifikelela kwiKlasi ye-10 ukuthintela ukungcola ekungcoliseni i-wafer, kwaye ikwanokumelana nokugqwala ukuze ivumelane neemfuno zokudluliselwa kweegesi ezikhethekileyo (ezifana ne-hydrogen fluoride, i-ammonia).

3. Amaqhinga okwandisa ubomi benkonzo kunye neenkcukacha zokugcinwa kwenkonzoIimanyano zeRotary ezikhawulezayo

Ubomi benkonzo yee-rotary unions ezikhawulezayo buxhomekeke kakhulu ekugugeni komphezulu wokutywina, ukulahleka kweebheringi kunye nokuchaneka kokufakelwa. Xa zidityaniswe neempawu zayo zokusebenza, kuyimfuneko ukulandela ngokungqongqo imigaqo emithathu yolondolozo "yococeko, ukuthambisa kunye nokulungelelanisa". Iinkcukacha ezithile zezi zilandelayo:

3.1 Ulawulo loCoceko oluPhakathi nolweNdalo

Ucoceko oluphakathi lubalulekile ekuqinisekiseni ubomi benkonzo yomphezulu wokuvala. Kufuneka kufakwe isihluzo esichanekileyo (ukuchaneka kokucoca ≤5μm) kwisiphelo esingaphambili sombhobho wokudlulisa ophakathi ukuze kuthintelwe amasuntswana aqinileyo kunye nokungcola okungena kwi-sealing interface, okubangela imikrwelo kunye nokuguguleka kumphezulu wokuvala; hlamba rhoqo umjelo wangaphakathi womjelo wokujikeleza ukuthintela ukwakheka kwekristale okuphakathi kunye nokukhula. Ingakumbi kwimidiya yobushushu obuphezulu (njengeoyile yokudlulisa ubushushu), kuyimfuneko ukufumanisa rhoqo umxholo we-viscosity ephakathi kunye nokungcola, kwaye utshintshe i-medium eyonakeleyo ngexesha. Kwangaxeshanye, kuphephe ukuveza ijoyinti eluthulini nakwiindawo zegesi ezirhabaxa, kwaye ufake isigqubuthelo sokukhusela ukuba kuyimfuneko.

3.2 Ukugcinwa kweZithambiso zeSayensi

Khetha igrisi ekhethekileyo (efana negrisi ekhawulezayo neyobushushu obuphezulu, ubushushu obufanelekileyo -20℃ ~ + 150℃) ngokweeparamitha zemeko yokusebenza, kwaye wongeze okanye uyitshintshe rhoqo. Umjikelo wokutshintshwa uhlengahlengiswa ngokwesantya neemeko zokusebenza, kwaye utshintshwa rhoqo kwiinyanga ezi-3-6 phantsi kweemeko zokusebenza eziqhelekileyo; ubungakanani begrisi kufuneka bulawulwe kwi-1/2-2/3 yomthamo webheri ukuze kuthintelwe ukufakwa kwekhabhoni ebushushu obuphezulu okubangelwa kukufakwa kakhulu okanye ukungqubana okomileyo kwebheri okubangelwa kukufakwa okunganelanga. Akuvumelekanga ukutshintsha iimveliso ezikhethekileyo ngegrisi eqhelekileyo ukuthintela umonakalo webheri ngenxa yokusilela kokuthambisa.

3.3 Ulawulo lokuChaneka koFakelo kunye noLungelelaniso

 Ngexesha lokufakelwa, kuyimfuneko ukuqinisekisa ukuba impazamo ye-coaxiality phakathi kwe-rotary union kunye ne-rotary shaft yi-≤0.05mm, kwaye i-runout yokugqibela yi-≤0.03mm, ukuze kuthintelwe amandla okuthwala angalinganiyo kunye nokuguguleka okukhawulezileyo komphezulu wokutywina okubangelwa kukusebenza okungaqhelekanga; i-mounting flange kufuneka ibe tyaba, kwaye ii-bolts zokubopha kufuneka zixinzelelwe ngokulinganayo ukuthintela ukuguquka kwamalungu; ngaphambi kokusebenza, kuyimfuneko ukwenza uvavanyo lokungasebenzisi mthwalo, ukujonga isantya, ukungcangcazela kunye nokuvuza, kwaye ukufake ekusebenzeni komthwalo kuphela emva kokuqinisekisa ukuba akukho ngxaki. Emva kokuvala, kucetyiswa ukuba kukhutshwe amanzi kwi-internal medium, ngakumbi i-crystallized ne-solidified medium (efana nolwelo lokupholisa oluphantsi kobushushu), ukuthintela i-medium ekubeni iqine kwaye yonakalise izitywino kunye neebheringi.

3.4 Ukuhlolwa rhoqo kunye nokusombulula iingxaki zeempazamo

Qho qaphela iiparameter zokusebenza ze-rotary union, kubandakanya isantya, ubushushu, ixabiso lokungcangcazela kunye nokuvuza. Ukuba kukho ukungcangcazela okungaqhelekanga (ixabiso lokungcangcazela >2.5mm/s), ukuvuza okugqithisileyo kwesitywina okanye ubushushu obugqithisileyo bomphezulu wejoyinti (>80℃), kuyimfuneko ukuyivala ukuze ihlolwe ngexesha; jonga rhoqo ukuguguleka kwezitywina. Ukuba kufunyenwe imikrwelo, umonakalo okanye ukuguga kumphezulu wokutywina, kuyimfuneko ukutshintsha indibano yokutywina yenkcazelo efanayo kunye nezinto ezifanayo ngexesha ukuze kuthintelwe ukwanda kwesiphako.

4. Isiphelo

Njengenxalenye ephambili yokuchaneka kwizixhobo ezikumgangatho ophezulu, ukusebenza kwee-rotary unions ezikhawulezayo kuchaphazela ngokuthe ngqo uzinzo lokusebenza, ukuchaneka komatshini kunye nobomi benkonzo yesixhobo. Ngokucacisa imigaqo yaso yobugcisa engundoqo, iimfuno zobugcisa ezihlengahlengiswe kwiinkalo ezahlukeneyo, kunye nokulandela ngokungqongqo iinkcukacha zokugcinwa kokucoceka, ukuthambisa kunye nokulungelelanisa, ubomi benkonzo yaso bunokwandiswa ngokufanelekileyo kwaye iindleko zokusebenza kunye nokugcinwa zinokuncitshiswa. Kwizicelo ezisebenzayo, kuyimfuneko ukukhetha imodeli yemveliso efanelekileyo ngokweemeko ezithile zokusebenza (isantya, iphakathi, uxinzelelo, ubushushu) ukuqinisekisa ukuba isebenza kakuhle.