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Uzenza njani iinkqubo zokugcinwa kwevalvu yeSango ye-API

1. Ukuchithwa kwevalve
1.1 Susa iibholithi zokulungisa zesakhelo esiphezulu sebhonethi, khulula amandongomane eebholiti ezine kwibhonethi yokunyusela, jika isiqu sevalve nati ngasekunene ukuze wenze isakhelo sevalvu sahlukane nomzimba wevalvu, emva koko usebenzise isixhobo sokuphakamisa ukuphakamisa. isakhelo phantsi kwaye usibeke phantsi.kwindawo efanelekileyo.Inxalenye ye-stem nut iza kuchithwa ukuze ihlolwe.
1.2 Khupha iringi yogcino kumsesane wokutywina womzimba wevalvu, uze ucinezele ezantsi ibhonethi ngesixhobo esikhethekileyo ukwenza isithuba phakathi kwesivalo sevalve neringi.Emva koko khupha iringi yesine ngokwamacandelo.Okokugqibela, phakamisa isivalo sevalve kunye nesiqu sevalve kunye nediski yevalvu ngaphandle komzimba wevalvu ngesixhobo sokuphakamisa.Kwindawo yokugcina, qaphela ukukhusela umonakalo kwi-disc ye-valve edibeneyo.
1.3 Coca ingaphakathi lomzimba wevalvu, jonga ubume bendawo edibeneyo yesitulo sevalve, kwaye ujonge indlela yokuyigcina.Gubungela i-valve edibeneyo kunye nekhava ekhethekileyo okanye ikhava, kwaye unamathele isitywina.
1.4 Khulula iibholithi zehenjisi zebhokisi yokuhlohla kwibhonethi.Idlala lokupakisha liyakhululeka kwaye nesiqu sevalvu sikhutshwa.
1.5 Ukuqhawula i-splints ephezulu nasezantsi ye-disc frame, khupha iidiski ezisekhohlo nasekunene, kwaye ugcine ii-tops zabo zangaphakathi kunye neegaskets.Ukulinganisa ubukhulu begasket epheleleyo kwaye uyirekhode.

2 Ukulungiswa kweendawo ezahlukeneyo zevalve yeSango ye-API:
2.1 Umphezulu odibeneyo wesihlalo se-valve yesango kufuneka ube phantsi kunye nesixhobo esikhethekileyo sokugaya (umpu wokugaya, njl.).Ukugaya kunokusebenzisa isanti e-abrasive okanye ilaphu le-emery.Indlela ikwasuka korhatyazo ukuya kwelungileyo, kwaye ekugqibeleni igudisiwe.
2.2 Umphezulu odibeneyo wediski yevalve unokucolwa ngesandla okanye ngomatshini wokusila.Ukuba kukho imingxuma enzulu okanye i-grooves phezu komhlaba, ingathunyelwa kwi-lathe okanye i-grinder ye-micro-processing, kwaye inokucocwa emva kokulinganisa.
2.3 Coca isigqubuthelo sevalve kunye nokupakisha ukutywinwa, susa umhlwa kwiindonga zangaphakathi nangaphandle zendandatho yokupakisha yoxinzelelo, ukuze umsesane woxinzelelo unokufakwa ngokutyibilikayo kwindawo ephezulu yesivalo sevalve, elungele ukucinezela ukupakisha ukutywinwa. .
2.4 Coca ukupakisha ngaphakathi kwebhokisi ye-valve stem yokufaka, khangela ukuba i-ring internal packing seat ikwimeko efanelekileyo, isithuba phakathi komngxuma wangaphakathi kunye nentonga yokusika kufuneka ihlangabezane neemfuno, kwaye akufanele kubekho i-jamming phakathi kwendandatho yangaphandle kunye nentsimbi. udonga lwangaphakathi lwebhokisi yokuhlohla.
2.5 Coca i-rust kwi-packing gland kunye ne-pressure plate, kwaye umphezulu kufuneka ucoceke kwaye uphelele.Umsantsa phakathi komngxuma wangaphakathi wegland kunye nentonga yokusika kufuneka ihlangabezane neemfuno, kwaye udonga lwangaphandle kunye nokuzaliswa kufuneka luhlangabezane neemfuno.
Ibhokisi yezinto eziphathekayo kufuneka ingabikho kwiijam, ngaphandle koko kufuneka ilungiswe.
2.6 Khulula ihinge bolt.Khangela ukuba inxalenye yomsonto kufuneka iphelele kwaye i-nut kufuneka iphelele.Inokuphoswa kancinci kwingcambu yebholi ngesandla, kwaye isikhonkwane kufuneka sijikelezwe ngokulula.
2.7 Coca i-rust ebusweni be-valve stem, khangela ukuba igobile okanye ayikho, kwaye uyiqondise ukuba kuyimfuneko.Inxalenye yentambo ye-trapezoidal kufuneka ihambelane, ngaphandle kokuphuka kunye nomonakalo, kwaye ifakwe ngepowder ekhokelayo emva kokucoca.
2.8 Coca i-ring quadruple, umphezulu kufuneka ube mpuluswa.Umphezulu osicaba akufunekanga ube nee-burrs okanye ii-curls.
2.9 Zonke iibholiti zokuqinisa kufuneka zihlanjululwe, i-nut kufuneka iphelele kwaye iguquguquke, kwaye inxalenye yentambo kufuneka ifakwe nge powder powder.

2.10 Coca i-stem nut kunye neebheringi zangaphakathi:
①Susa ivalve stem nut yokutshixa kunye nesikrufu sokulungisa sendlu, kwaye ukhulule isikrufu sokutshixa kwicala elichasene newotshi.
②Khupha i-valve stem nut, i-bearing, i-disc spring, kwaye uyicoce nge-kerosene.Khangela ukuba i-bearing ijikeleza ngokukhululekileyo kwaye ingaba i-disc spring iqhekekile.
③Coca i-valve stem nut, khangela ukuba umsonto wetrapezoidal wangaphakathi ukwimeko entle, kwaye isikrufu sokulungisa esineqokobhe kufuneka siqine kwaye sithembeke.Ukunxiba kwe-bushing kufuneka kuhlangabezane neemfuno, ngaphandle koko kufuneka kuthathelwe indawo.
④ Gcoba ibhotolo kwaye uyibeke kwi-stem nut.Imithombo ye-disc idityaniswe njengoko ifunwa kwaye iphinda idityaniswe ngokulandelelana.Ekugqibeleni, yitshixe nge-lock nut, uze uyilungise ngokuqinileyo ngesikrufu.

3 Ukudityaniswa kwevalve yesango
3.1 Fakela idiskhi yevalve efanelekileyo ekhohlo nasekunene kwiringi ye-valve stem clamp kwaye uzilungise ngezikhonkwane eziphezulu nezisezantsi.Ingaphakathi kufuneka lifakwe kwi-universal top, kwaye i-gasket yokulungelelanisa kufuneka yongezwe ngokwemiqathango yokugcinwa.
3.2 Faka isikhondo sevalvu kunye nediski yevalvu kwisitulo sevalve ukuze uhlolwe.Emva kokuba idiskhi yevalve kunye nendawo yokutywina yesitulo sevalve zonke zidibene, qiniseka ukuba indawo yokutywina yedisk yevalve iphezulu kunomphezulu wokutywina wesihlalo sevalve kwaye iyahlangabezana neemfuno zomgangatho.Ngaphandle koko, i-universal top kufuneka ilungiswe.Lungisa ubukhulu be-gasket kude kube yinto efanelekileyo, kwaye uyitywine nge-gasket engabuyiyo ukuyikhusela ukuba ingawa.
3.3 Coca umzimba wevalvu, coca isitulo sevalvu kunye nediski yevalvu.Emva koko beka isiqu sevalve kunye nediski yevalve kwisitulo sevalvu, kwaye ufake isivalo sevalve.
3.4 Fakela ukupakishwa kokutywina kwindawo ozivale ngayo yebhonethi njengoko kufuneka.Inkcazo yokupakisha kunye nenani lokujika kufuneka lihlangabezane nomgangatho womgangatho.
3.5 Hlanganisa amakhonkco amane ngokulandelelana, kwaye usebenzise iringi yogcino ukuyiphakamisa ukuyithintela ukuba ingawi, kwaye uqinise nati yebholithi yokunyusa yebhonethi.
3.6 Gcwalisa i-valve stem yokutywina ibhokisi yokupakisha ngokupakisha ngokweemfuno, yibeke kwi-material gland kunye ne-pressure plate, kwaye ukhangele ngokuqinileyo ngesikrufu sehinge.
3.7 Phinda ufake ifreyim yesigqubuthelo sevalve, jikelisa isiqu sevalve ephezulu ukwenza isakhelo siwe kumzimba wevalvu, kwaye uyibophe ngeebholiti zokuyinqanda ukuba ingawi.
3.8 Fakela isixhobo sokuqhuba umbane sevalve;ucingo oluphezulu lwecandelo lokudibanisa kufuneka luqiniswe ukuze luthintele ukuwa, kwaye uvavanye ngesandla ukuba i-valve switch iguquguqukayo.
3.9 Iimpawu zevalvu zicacile, azigungqi kwaye zichanekile.Iirekhodi zogcino ziphelele kwaye zicacile;kwaye ukwamkelwa kufanelekile.
3.10 Ukugqunywa kwemibhobho kunye neevalvu kugqityiwe, kwaye indawo yokugcina iyacocwa.

Umgangatho wokugcinwa kwevalve yesango
Umzimba wevalvu e-1:
1.1 Umzimba wevalvu kufuneka ungabinaziphene ezifana namadyunguza, iintanda kunye nokukhuhlwa, kwaye kufuneka kujongwane nawo kwangethuba emva kokufunyanwa.
1.2 Makungabikho nkunkuma kumzimba wevalvu kunye nombhobho, kwaye indawo yokungena kunye nendawo yokuphuma mayingathinteleki.
1.3 Iplagi esezantsi kumzimba wevalvu kufuneka iqinisekise ukutywinwa okuthembekileyo kwaye akukho kuvuza.

2 Isiqu:
2.1 I-curvature ye-valve stem akufanele ibe ngaphezu kwe-1/1000 yobude obupheleleyo, ngaphandle koko kufuneka iqondiswe okanye itshintshwe.
2.2 Inxalenye yentambo ye-trapezoidal yesiqu se-valve kufuneka ibe kwimeko efanelekileyo, ngaphandle kwaziphi na iziphene ezinjengokuphulwa okanye ukuhluthwa, kwaye inani lokugqoka akufanele libe ngaphezu kwe-1/3 yobunzima bomsonto we-trapezoidal.
2.3 Umphezulu ugudile kwaye awunamhlwa, kwaye kufuneka kungabikho mhlwa oqhekezayo kunye nokuncipha komphezulu kwindawo yokudibanisa netywina lokupakisha.Ukuba ubunzulu bendawo ye-corrosion efanayo bungaphezulu kwe-0.25 mm, kufuneka itshintshwe.Ukugqiba kufuneka kuqinisekiswe ukuba kungaphezulu ▽6.
2.4 Umsonto wokudibanisa kufuneka uphelele, kwaye ipini kufuneka ilungiswe ngokuthembekileyo.
2.5 Emva kokuba intonga yokusika kunye nentambo yokusika idibene, kufuneka ijikeleze ngokuguquguqukayo, kwaye akuyi kubakho i-jamming kwi-stroke yonke.Umsonto kufuneka ugqunywe ngomgubo okhokelayo wokuthambisa kunye nokukhusela.

3 ukupakisha izitywina:
3.1 Uxinzelelo kunye neqondo lokushisa lokupakisha elisetyenzisiweyo kufuneka lihlangabezane neemfuno ze-valve medium, kwaye imveliso kufuneka ihambe kunye nesatifikethi okanye ukuchongwa kovavanyo oluyimfuneko.
3.2 Iimpawu zokupakisha kufuneka zihlangabezane neemfuno zobungakanani bebhokisi yokutywina, kwaye akufanele itshintshwe ngokupakisha okukhulu okanye ngaphantsi.Ubude bokupakisha kufuneka buhambelane nobungakanani bevalve.
iimfuno ze-intshi, kwaye kufuneka ishiye umda we-thermal.
3.3 I-interface yokupakisha kufuneka inqunywe kwi-oblique shape ene-angle ye-45 °.Amalungu omsesane ngamnye kufuneka agxininiswe ngu-90 ° -180 °.Ubude bokupakisha emva kokusikwa kufuneka bufaneleke, kwaye akufanele kubekho i-gap okanye i-superposition kwi-interface efakwe kwibhokisi yokufaka.
3.4 Isihlalo sokupakisha isihlalo kunye ne-gland yokupakisha kufuneka ibe kwimeko efanelekileyo ngaphandle kokugqwala, ingaphakathi lebhokisi lokupakisha kufuneka licoceke kwaye ligudiswe, isithuba phakathi kwentonga yomnyango kunye nentsimbi yokuhlala kufuneka ibe yi-0.1-0.3 mm, kwaye ubuninzi kufuneka hayi ngaphezulu kwe-0.5 mm.I-gap phakathi kodonga lwangaphakathi lwebhokisi lokupakisha ngu-0.2-0.3 mm, kwaye ubuninzi abukho ngaphezu kwe-0.5 mm.
3.5 Emva kokuba i-hinge bolts iqinisiwe, iplate yoxinzelelo kufuneka igcinwe iphantsi kwaye amandla okuqinisa alinganayo.I-gland yokupakisha kunye nomngxuma wangaphakathi wepleyiti yoxinzelelo kufuneka ihambelane nokucoca malunga nesiqu sevalve.I-gland yokupakisha ecinezelwe kwigumbi lokupakisha kufuneka ibe yi-1/3 yobude bayo.

Imiphezulu yokutywina yeSango ye-API ye-API:
4.1 Emva kokulungiswa, idiskhi yevalve kunye nendawo yokutywina yesitulo kufuneka ingabinamabala kunye negrooves, indawo yoqhagamshelwano kufuneka ichaze ngaphezulu kwe-2/3 yobubanzi bokuvula ivalve, kwaye umphezulu kufuneka ufikelele ▽10 okanye ngaphezulu.
4.2 Hlanganisa idiski yevalve yovavanyo.Emva kokuba idiski yevalve ifakwe kwisitulo sevalve, qinisekisa ukuba undoqo wevalve uphezulu nge-5-7 mm ngaphezu kwesitulo sevalve ukuqinisekisa ukuvaleka ngci.
4.3 Xa udibanisa i-disc ye-valve ekhohlo nasekunene, ukuzilungisa kufuneka kube bhetyebhetye, kwaye isixhobo esichasene nokulahla kufuneka sichane kwaye sithembeke.

5 I-Stem Nut:
5.1 Umsonto we-internal bushing kufuneka ube kwimeko entle, kwaye kungabikho ziqhuma eziqhawukileyo okanye ezingacwangciswanga, kunye nokulungiswa komtya ongaphandle kufuneka kuthembeke kwaye kungabi nazingxaki.
5.2 Zonke iindawo ezithweleyo kufuneka zibekwimeko entle kwaye zijikeleziswe ngokuguquguqukayo.Akukho ziqhekeko, i-rust, isikhumba esinzima kunye nezinye iziphene ebusweni bejacket yangaphakathi kunye neebhola zetsimbi.
5.3 I-disc spring kufuneka ingabikho kwiintanda kunye ne-deformation, ngaphandle koko kufuneka itshintshwe.3.5.4 Izikrufu zokulungisa kumphezulu wendongomane yokutshixa aziyi kukhululwa.I-stem nut ijikeleza ngokuguquguqukayo, kwaye i-axial clearance iqinisekisiwe kodwa ayikho ngaphezu kwe-0.35 mm.


Ixesha lokuposa: Jun-03-2019