I-valve sealing surface wear, indlela yokulungisa izinqubo eziphephile zokuhlola ukucindezela kwamanzi e-valve

I-valve sealing surface wear, indlela yokulungisa izinqubo eziphephile zokuhlola ukucindezela kwamanzi e-valve

Ngemuva kokusetshenziswa isikhathi eside kwe-valve, indawo yokuvala i-disc nesihlalo izogqokwa futhi ukuqina kuzoncishiswa. Ukulungisa indawo yokuvala kuwumsebenzi omkhulu futhi obalulekile. Indlela eyinhloko yokulungisa ukugaya. Kundawo yokuvala eguge kakhulu, iqala ukuvela ngemuva kokuguqula ukucubungula bese iyagaya. Ukugaya i-valve kuhlanganisa: inqubo yokuhlanza nokuhlola; Inqubo yokugaya
Ngemuva kokusetshenziswa isikhathi eside kwe-valve, indawo yokuvala i-disc nesihlalo izogqokwa futhi ukuqina kuzoncishiswa. Ukulungisa indawo yokuvala kuwumsebenzi omkhulu futhi obalulekile. Indlela eyinhloko yokulungisa ukugaya. Kundawo yokuvala eguge kakhulu, iqala ukuvela ngemuva kokuguqula ukucubungula bese iyagaya.
Ukugaya ama-valve kuhlanganisa:
Ukuhlanza nokuhlola inqubo;
Inqubo yokugaya;
Inqubo yokuhlola.
Ukuhlanza nokuhlola inqubo
Ukuhlanza indawo yokubeka uphawu epanini likawoyela, sebenzisa i-ejenti yokuhlanza echwepheshile, geza ngenkathi ubheka umonakalo wendawo yokuvala. Imifantu emincane okunzima ukuyibona ngeso lenyama ingenziwa ngokutholwa kwe-tint.
Ngemuva kokuhlanza, i-disc noma i-valve yesango kufanele ihlolwe ukuqina kwendawo yokuvala yesihlalo, kusetshenziswa obomvu nepensela lapho uhlola. Sebenzisa umthofu obomvu ukuhlola okubomvu, hlola indawo yokuvala, unqume indawo yokuvala indawo yokuvala; Noma ngepensela kudiski ye-valve kanye nendawo yokuvala isihlalo dweba imibuthano embalwa egxilile, bese i-valve disc kanye nesihlalo sijikeleza ngokuvala, hlola indingilizi yepensela isuliwe, thola indawo yokuvala uphawu.
Uma UPHAWU lungeLUHLE, UBUSO BEDISC noma ISANGO KANYE NOBUSO BOMZIMBA WOKUVAVAVA BUYINGAHLOLWA NGE-Standard PLATE UKUZE KUHLOBE INDAWO YOKUGILA.
Inqubo yokugaya
Inqubo yokugaya empeleni iyinqubo yokusika ye-lathe, ukujula komgodi noma imbobo ekhanda le-valve noma esihlalweni ngokuvamile kungaphakathi kuka-0.5mm, futhi indlela yokugaya ingasetshenziselwa ukulungiswa. Inqubo yokugaya ihlukaniswe yaba ukugaya okuqinile, ukugaya okuphakathi nokugaya kahle.
Ukugaya okumahhadlahhadla wukuqeda ukuhuzuka, ukuhlehlisa, indawo yokugqwala kanye nezinye iziphambeko endaweni evalekayo, ukuze indawo yokuvala ithole ukucaba okuphakeme kanye nezinga elithile lokuqeda, futhi kubeke isisekelo sokugaya indawo yokuvala.
Ukugaya okumahhadla usebenzisa ikhanda lokugaya noma amathuluzi esihlalo sokugaya, ukusetshenziswa kwephepha lesanti elimahhadla noma unamathisele wokugaya, usayizi wezinhlayiyana ezingama-80#-280#, usayizi wezinhlayiyana omahhadla, inani elikhulu lokusika, ukusebenza kahle okuphezulu, kepha okusanhlamvu okusika kujulile, ukubekwa uphawu. indawo engaphezulu imaholoholo. Ngakho-ke, ukugaya amaholo njengoba nje flat ukususa ikhanda valve noma isihlalo pitting.
Ukugaya okumaphakathi ukususa okusanhlamvu okumahhadla endaweni evalekayo futhi kuthuthukise ngokwengeziwe ukucaba nokuqeda kwendawo yokuvala. Ukusetshenziswa kwephepha lesihlabathi elicolisekileyo noma ukunamathisela okuhle kwe-abrasive, usayizi wezinhlayiyana zawo 280#-W5, usayizi wezinhlayiyana ezinhle, inani elincane lokusika, lisiza ukunciphisa ukuhwalala; Ngesikhathi esifanayo, ithuluzi lokugaya elihambisanayo kufanele lishintshwe, futhi ithuluzi lokugaya kufanele lihlanzeke.
Ngemuva kokugaya, indiza yokuxhumana ye-valve kufanele ikhanyise. Uma usebenzisa ipensela ukudweba imigqa embalwa ekhanda le-valve noma esihlalweni, vula ikhanda le-valve noma isihlalo kumbuthano wokukhanya, umugqa wepensela kufanele ususwe.
Ukugaya kahle kuyinqubo yokugaya i-valve, ikakhulukazi ukuthuthukisa isiphetho sendawo yokuvala. Ukugaya okuhle kungasetshenziswa ku-W5 noma ingxenyena encane encane ehlanjululwe ngamafutha, i-parafini nokunye, nekhanda le-valve ngokumelene nesihlalo se-valve yokugaya, ngaphandle kwedrama, evumelana kakhulu nendawo yokuvala yokuvala.
Ngokuvamile lapho ujikela iwashi nxazonke 60-100 °, mayelana 40-90 ° ukuze ujike uye kolunye uhlangothi futhi, ngobumnene okwesikhashana, kufanele uhlole kanye, uhlale ucwebezela, futhi phezu kwekhanda le-valve nesihlalo se-valve ungabona kakhulu. umugqa omuhle, umbala omnyama omnyama, ngobumnene ngesigayo samafutha futhi izikhathi eziningana, ngendwangu ehlanzekile yokusula ikani elihlanzekile.
Ngemuva kokugaya, bese ususa ezinye iziphambeko, okungukuthi, kufanele ziqoqwe ngokushesha ngangokunokwenzeka, ukuze ungalimazi ikhanda elihle le-valve yokugaya.
Ukugaya ngesandla kungakhathaliseki ukuthi amaholoholo noma emihle, kukhona njalo ngokusebenzisa ephakamisa, ngokubeka phansi; Ukujikeleza, ukuphindaphinda; Inqubo yokugaya ehlanganisa ukuthepha, ukubuyisela emuva neminye imisebenzi. Injongo iwukugwema ukuphindaphinda kwamathrekhi abrasive, ukwenza ithuluzi lokugaya kanye nendawo yokuvala ithole ukugaya okufanayo, futhi kuthuthukise ukucaba nokuqedwa kwendawo yokuvala.
Isiteji sokuhlola
ENKONZO yokugaya, isiteji sokuhlola sihlala sidlula, inhloso yaso ukubamba isimo sokugaya noma nini, uyazi, ukwenza ikhwalithi yokugaya ihlangabezane nezidingo zobuchwepheshe. OKUFANELE KUQAPHELE UKUTHI Ukugaya ama-valve EHLUKILE kufanele kusetshenziselwe ukuzivumelanisa nezimo ezihlukahlukene zokuvala indawo yamathuluzi okugaya, ukuze kuthuthukiswe ukusebenza kahle kokugaya nokuqinisekisa ikhwalithi yokugaya.
Ukugaya i-valve kuwumsebenzi onemininingwane eminingi, udinga ukuzwa, ukuhlola, ukuthuthukisa ekusebenzeni, ngezinye izikhathi ukugaya kahle kakhulu, kodwa ngemva kokufakwa noma ukuvuza kwamanzi okuvuza, lokhu kungenxa yokuthi inqubo yokugaya kukhona umcabango wokuphambuka kokugaya, induku yokugaya isandla hhayi mpo, skew, noma usayizi wethuluzi lokugaya Ukuchezuka kwe-engeli.
Ngenxa yokuthi i-abrasive agent iyingxube yoketshezi olunamanzi nolubi, kanti uketshezi olunamanzi luwuphalafini kanye namafutha. Ngakho-ke, ukukhetha okulungile kwama-abrasive agents ** isixhumanisi esiyinhloko ukukhetha okulungile kwe-abrasive.
Indlela yokukhetha i-valve abrasive ngendlela efanele?
I-aluminium oxide (>
I-Silicon carbide (SiC) I-Silicon carbide iluhlaza futhi imnyama, ubulukhuni bayo buphakeme kune-alumina. I-silicon carbide eluhlaza ilungele ukugaya i-alloy eqinile; I-silicon carbide emnyama isetshenziselwa ukugaya izinto ezithambile nezinto ezithambile, njengensimbi ecijile, ithusi, njll.
Ubulukhuni be-Boron carbide (B4C) bungaphansi kwempushana yedayimane futhi buqinile kune-silicon carbide, ikakhulukazi esetshenziswa esikhundleni sempushana yedayimane yokugaya ingxubevange eqinile, ukugaya okuqinile kwe-chrome-plated surface.
I-Chromium oxide (Cr2O3) i-chromium oxide iwubulukhuni obuphezulu futhi icoleka kahle kakhulu, insimbi ecishiwe ivamise ukusetshenziswa ekuqedeleni i-chromium oxide, ngokuvamile esetshenziselwa ukupholisha.
I-iron oxide (Fe2O3) i-iron oxide nayo iyi-valve abrasive abrasive, kodwa ukuqina nomphumela wokugaya kubi kune-chromium oxide, ukusetshenziswa okufanayo ne-chromium oxide.
Impushana yedayimane I-crystallization 磮 C, iyi-* * abrasive eqinile, ukusebenza kokusika kuhle, kulungele ikakhulukazi ukugaya i-alloy eqinile.
Ukwengeza, usayizi wezinhlayiyana eziqhumayo (usayizi wezinhlayiyana eziqhumayo) unethonya *** ekusebenzeni kahle kokugaya kanye nokuqina kwendawo. Ukugaya amaqhafuqhafu, i-valve workpiece ebusweni izimfuneko roughness akuzona okusezingeni eliphezulu, ukuze kuthuthukiswe ukusebenza kahle ukugaya kufanele ukhethe amaqhafuqhafu abrasive; Lapho uqeda, isibonelelo sokugaya sincane, isidingo sobukhulu be-workpiece siphezulu, futhi i-abrasive-grained abrasive ingasetshenziswa.
Ukubeka uphawu ebusweni bokugaya usayizi wezinhlayiyana ezilumayo ngokuvamile 120 # ~ 240 #; Ukunemba kungu-W40 ~ 14.
I-valve ishintsha ukuhuzuka, ngokuvamile ngokungeza uphalafini kanye namafutha emoto ngqo ku-abrasive. Ama-abrasives alungiselelwe nge-1/3 kaphalafini kanye namafutha angu-2/3 kanye ne-abrasive afaneleka ukugaya amaholo; Ama-abrasives enziwe ngophalafini ongu-2/3 kanye nowoyela ongu-1/3 kanye ne-abrasive angasetshenziswa ukuqeda.
Lapho ugaya ucezu lomsebenzi ngobulukhuni obuphezulu, umphumela wokusebenzisa i-ejenti ye-abrasive awulungile. Ngalesi sikhathi, isinqumelo ENGASEBENZISA AMA-abrasers angu-3 UKUZE WENZE UKUSHISA UKUZE Ulungise ukuphakama KANYE, IFOMU YOKUNAMAMISELA NGEMVA KOKUPHOLA, ENGEZA I-KEROSENE NGOKUFANELE FUTHI UMA USEBENZISA NOMA UPHETHISI UKUZE ULUNGISE NGOKULINGANAYO.
Ukukhetha ithuluzi lokugaya
I-valve disc kanye ne-valve seat seat sealing surface ngenxa yamazinga ahlukene omonakalo, ayikwazi ukufundwa ngokuqondile, kodwa ngenombolo ethile kanye nokucaciswa kwediski ye-valve yamanga (okungukuthi ikhanda lokugaya), isihlalo se-valve yamanga (okungukuthi isihlalo sokugaya) ngokulandelanayo. isihlalo, i-valve disc ukugaya.
INHLOKO YOkugaya KANYE NESIHLALO SOKUGAYA KUZOKWENZIWA NGEZINSIMBI EZIJWAYELEKILE YEKHABONI NOMA I-IRON ESIYI-CAST FUTHI KUZOKUBA NOBULUNGA OBUFANAYO NE-Engeli NJENGEdiski KANYE NESIHLALO KUbekwe KUVALIVU.
Uma ukugaya kwenziwa ngesandla, izinduku ezihlukahlukene zokugaya ziyadingeka. Induku yokugaya kanye nethuluzi lokugaya kufanele kuhlanganiswe kahle futhi akufanele kusonteke. Ukuze kuncishiswe amandla okusebenza futhi kusheshiswe isivinini sokugaya, umshini wokugaya kagesi noma umshini wokugaya wokudlidliza uvame ukusetshenziswa.
Indlela yokuphepha yokuhlolwa kwe-hydraulic yamavalvu
1. I-valve ethunyelwe ekuhlolweni kwe-hydraulic ayivunyelwe ukuba ibe nemifantu, ama-pores, ama-dents, ukulungiswa kwe-valve stem akuvunyelwe ukuba nento enamathele.
2. Amabhawodi namantongomane asetshenzisiwe nasele asele kufanele abalwe ukuze aqine futhi amakwe ukuvimbela ukudideka.
3. I-workpiece yokuhlola kufanele iboshwe kudivayisi futhi ingavunyelwe ukubekwa ngokukhululeka. Haofm.com.q2G B V5vJ
4. Amabhande enjoloba noma amanye amaphedi okunwebeka asetshenziselwa ukuhlola akumele abe namaqhubu, anezingqimba, axege, noma alahlekelwe ukunwebeka.
5. Yenza ukuhlolwa kwengcindezi ngokuhambisana nemithetho yenqubo yomkhiqizo. Uma ingcindezi iphakanyiswa ngaphezu kwengcindezi yokusebenza, akuvunyelwe ukusonta inati, ukubopha idivayisi nezinye izingxenye engxenyeni.
6. Ikhava yokugcina kufanele ihlangabezane nezidingo zemibhalo yezobuchwepheshe futhi iphumelele isivivinyo ngaphambi kokuthi isetshenziswe. Lapho ingcindezi yokuhlola idlula i-25% yengcindezi ebaliwe, ayivunyelwe ukusetshenziswa.