Valve sealing surface kupfeka, maitiro ekugadzirisa valve yemvura pressure test yakachengeteka maitiro ekushanda
Mushure mekushandiswa kwenguva refu kwevhavha, chisimbiso chepamusoro che disc uye chigaro chichapfekwa uye kusimba kuchaderedzwa. Kugadzirisa nzvimbo yekuisa chisimbiso ibasa guru uye rinokosha. Nzira huru yekugadzirisa ndeyekukuya. Kune iyo yakanyanya kupfekwa yekuvharisa, inotanga kubuda mushure mekushandura kugadzirisa uye nekukuya. Kukuya valve kunosanganisira: kuchenesa uye kuongorora maitiro; Kukuya
Mushure mekushandiswa kwenguva refu kwevhavha, chisimbiso chepamusoro che disc uye chigaro chichapfekwa uye kusimba kuchaderedzwa. Kugadzirisa nzvimbo yekuisa chisimbiso ibasa guru uye rinokosha. Nzira huru yekugadzirisa ndeyekukuya. Kune iyo yakanyanya kupfekwa yekuvharisa, inotanga kubuda mushure mekushandura kugadzirisa uye nekukuya.
Kukuya mavharuvhu kunosanganisira:
Kuchenesa uye kuongorora maitiro;
Kukuya nzira;
Nzira yekuongorora.
Kuchenesa uye kuongorora maitiro
Kuchenesa nzvimbo yekuisa chisimbiso mupani yemafuta, shandisa nyanzvi yekuchenesa mumiriri, geza uchitarisa kukuvadzwa kwechisimbiso chepamusoro. Kutsemuka kweMicroscopic kunonetsa kutariswa nemeso chete kunogona kuitwa nekuona tint.
Mushure mekuchenesa, diski kana vheji yegedhi inofanira kuongororwa kuti yakaomeswa kwechisimbiso pamusoro pechigaro, uchishandisa tsvuku uye penzura paunotarisa. Shandisa mutungamiri mutsvuku kuti uedze mutsvuku, tarisa nzvimbo yekuvhara, sarudza nzvimbo yekuisa chisimbiso chepamusoro pekuvhara; Kana nepenzura pavharuvhu disc uye chigaro chisimbiso pamusoro dhirowa mashoma concentric madenderedzwa, uye ipapo vharafu disc uye chigaro pedyo kutenderera, tarisa penzura denderedzwa radzimwa, kuona chisimbiso pamusoro pemvura pedyo.
Kana CHISINDISO CHISINA KUNAKA, DISC KANA GATE SEAL FACE UYE VALVE BODY SEAL SEAL ZVINOGONA KUONGORORWA NESANDARD PLATE KUTI ZVIMWE NZVIMBO YOKUKUYA.
Kukuya
Iyo nzira yekukuya ndiyo nzira yekucheka yelathe, gomba kana gomba kudzika pamusoro wevharuvhu kana chigaro kazhinji mukati me 0.5mm, uye nzira yekukuya inogona kushandiswa kugadzirisa. Kukuya kunokamurwa kuita coarse grinding, medium grinding and fine grinding.
Kukuya kwakakasharara ndiko kubvisa abrasion, indentation, corrosion point uye zvimwe zvakakanganisika panzvimbo yekuisa chisimbiso, kuitira kuti nzvimbo yekuisa chisimbiso iwane yakakwirira flatness uye imwe dhigirii yekupedzisa, uye kuisa hwaro hwekukuya kwechisimbiso chepamusoro.
Kukuya kukuya uchishandisa kugaya musoro kana kukuya maturusi echigaro, kushandiswa kwepeji jecha rakaomarara kana gaya rekukuya paste, saizi yaro 80# -280#, saizi yakakasharara, kucheka kukuru, kushanda kwakanyanya, asi kucheka zviyo zvakadzika, kuiswa chisimbiso. pamusoro pepamusoro pakashata. Naizvozvo, kugaya kwakakora kureba sefurati kuti ubvise musoro wevharuvhu kana chigaro chegomba.
Kukuya kwepakati ndiko kubvisa zviyo zvakakasharara panzvimbo yekuvharisa uye kuwedzera kunatsiridza kupfava uye kupera kwenzvimbo yekuvharisa. Kushandiswa kwebepa rejecha rakanaka kana ganda rinoputika, hukuru hwayo hunosvika 280 #-W5, hukuru hukuru hwechidimbu, chidimbu chiduku chekucheka, chinobatsira kuderedza roughness; Panguva imwecheteyo, chigadziro chinopindirana chinofanira kuchinjwa, uye chigadziro chinofanira kuva chakachena.
Mushure mekugaya, ndege yekubatanidza yevhavha inofanira kunge yakajeka. Kana iwe ukashandisa penzura kutora mitsetse mishoma pamusoro wevhavha kana chigaro, shandura musoro wevhavha kana chigaro kune denderedzwa rechiedza, mutsara wepenzura unofanira kudzimwa.
Kukuya inzira yekukuya vharafu, kunyanya kuvandudza kupera kwekuvharisa. Kukuya zvakanaka kunogona kushandiswa muW5 kana diki diki diki chikamu chakanatswa nemafuta, parafini uye zvichingodaro, nemusoro wevharuvhu uchipesana nechigaro chevharuvhu yekukuya, pasina drama, iyo inonyanya kukonzeresa yekuvharisa pamusoro pekuvhara.
Kazhinji kana watendeuka wachi kutenderedza 60-100 °, anenge 40-90 ° kutendeukira kune yakatarisana zvakare, zvinyoro nyoro kwechinguva, iwe unofanirwa kutarisa kamwe chete, gara wakapenya kupenya, uye pamusoro pevharuvhu nechigaro chevharuvhu unogona kuona zvakanyanya. mutsetse wakatsetseka, ruvara kune dema dema, zvinyoro nyoro nechigayo chemafuta zvakare kakawanda, nejira rakachena rekupukuta gaba rakachena.
Mushure mekugaya, zvino bvisa zvimwe zvikanganiso, ndiko kuti, zvinofanira kuunganidzwa nokukurumidza sezvinobvira, kuitira kuti urege kukuvadza musoro wevhavha yakanaka.
Kukuya nemaoko kana kwakakora kana kwakanaka, nguva dzose kuburikidza nekusimudza, kuisa pasi; Kutenderera, kudzorera; Iyo nzira yekukuya inosanganisa kubata, kudzosera kumashure uye mamwe maoperation. Chinangwa ndechekudzivirira kudzokororwa kweabrasive tracks, ita iyo yekukuya chishandiso uye yekuisa chisimbiso chepamusoro kuwana yunifomu yekukuya, uye kunatsiridza flatness uye kupera kwekuvharisa pamusoro.
Inspection stage
MUCHIGARO CHOKUYA, nhanho yekuongorora inogara ichipfuura, chinangwa chayo ndechekubata mamiriro ekukuya chero nguva, ziva, ita kuti huya hwekukuya husangane nezvinodiwa zvehunyanzvi. ZVINOFANIRA KUTI KUTI KUSIYANA kwevharuvhu kunofanirwa kushandiswa kuchinjika kune akasiyana-siyana ekuisa chisimbiso pamusoro pematurusi ekukuya, kuitira kuvandudza kukuya uye kuve nechokwadi chekukuya.
Kukuya vharafu ibasa rakanyatsotsanangurwa, rinoda ruzivo, kuongorora, kuvandudza mukuita, dzimwe nguva kukuya zvakanaka, asi mushure mekuiswa kana kuvuza kwemvura inobuda, izvi zvinodaro nekuti mukukuya kune fungidziro yekutsauka, ruoko rwekukuya. kwete yakatwasuka, skew, kana kugaya chishandiso saizi yeAngle deviation.
Nekuti iyo abrasive agent musanganiswa weabrasive uye abrasive fluid, uye abrasive fluid ndiyo general parafini nemafuta. Naizvozvo, kusarudzwa kwakaringana kweabrasive agents ** the key link is the right selection of abrasive.
Nzira yekusarudza sei valve abrasive zvakarurama?
Aluminium oxide (>
Silicon carbide (SiC) Silicon carbide yakasvibira uye dema, kuoma kwayo kwakakwira kupfuura alumina. Green silicon carbide yakakodzera kukuya yakaoma alloy; Black silicon carbide inoshandiswa kukuya zvinhu zvinoputika uye zvinyoro zvinyoro, sesimbi yakakandwa, ndarira, nezvimwe.
Boron carbide (B4C) kuomarara kwakaderera kune hupfu hwedhaimani uye kuoma kupfuura silicon carbide, inonyanya kushandiswa kutsiva diamondi poda kukuya yakaoma alloy, kukuya yakaoma chrome-plated pamusoro.
Chromium oxide (Cr2O3) chromium oxide ihukukutu hwakanyanya uye hwakanyanya kucheneruka, simbi inodzimwa inowanzoshandiswa mukupedzisa chromium oxide, inowanzo shandiswawo mukupukuta.
Iron oxide (Fe2O3) iron oxide zvakare yakanakisa vharafu abrasive, asi kuoma uye kugaya mhedzisiro yakaipa kupfuura chromium oxide, kushandiswa kwakafanana uye chromium oxide.
Dhaimondi poda Iyo crystallization 磮 C, ndeye * * yakaoma abrasive, yekucheka kuita kwakanaka, kunyanya yakakodzera kukuya hard alloy.
Pamusoro pezvo, iyo abrasive particle size (abrasive particle size) ine *** pesvedzero pakugaya kunyatsoshanda uye kushata kwepamusoro. Coarse kugaya, vharafu workpiece pamusoro roughness zvinodiwa hazvina kukwirira, kuitira kuvandudza kugaya kunyatsoshanda vanofanira kusarudza coarse abrasive; Paunenge wapedza, mvumo yekukuya idiki, chinodiwa che workpiece pamusoro roughness chakakwirira, uye fine-grained abrasive inogona kushandiswa.
Kuisa chisimbiso pamusoro pekukuya abrasive particle size inowanzoita 120 # ~ 240 #; Iyo chaiyo ndeye W40 ~ 14.
Ivhavha inogadzirisa abrasive, kazhinji nekuwedzera parafini nemafuta emota zvakananga kune abrasive. Mabrasives akagadzirwa ne 1/3 parafini pamwe ne 2/3 mafuta uye abrasive akakodzera kugaya; Iwo mabrasives akagadzirwa ne2/3 parafini pamwe ne1/3 oiri uye abrasive anogona kushandiswa kupedzisa.
Paunenge uchikuya workpiece nekuoma kwakanyanya, mhedzisiro yekushandisa abrasive agent haina kunaka. Panguva ino, mafuta emafuta ANOGONA KUSHANDISA 3 abrassER KUWEDZERA KUTI KUCHINJA KUTI UDZIDZISE PAMWE KUSIMBISA, FUMANIRA NAMAKA PASHURE AKATONHORA, WEDZERA IMWE KEROSENE ZVAKADZAKA ZVAKANAKA PAUNOSHANDISA KANA GASOLINE KUKANGANISA.
Sarudzo yekukuya mudziyo
Valve disc uye valve seat sealing surface nekuda kwemadhigirii akasiyana ekukuvadza, haigone kudzidzwa zvakananga, asi neimwe nhamba uye zvirevo zvevhavha yenhema disc (kureva kukuya musoro), chigaro chevhavha yenhema (kureva chigaro chekukuya) zvichiteerana pavharuvhu. chigaro, vharafu disc kugaya.
Kukuya MUSO UYE CHIGARO CHEKUGARA CHICHAITWA NESIMBO CHEMAKABHONI KANA KUKANDISWA SIMBA UYE ZVICHAVA ZVAKAWANDA NEENGERE SEDisc NESEAT zvakaiswa pavhavhavha.
Kana kukuya kuchiitwa nemaoko, matanda akasiyana-siyana ekukuya anodiwa. Tsvimbo yekukuya uye simbi inofanira kuunganidzwa zvakanaka uye haifaniri kukanganiswa. Kuti uderedze kusimba kwebasa uye nekumhanyisa kumhanya kwekukuya, muchina wemagetsi ekukuya kana vibration muchina wekukuya unowanzoshandiswa.
Chengetedzo tsika ye hydraulic bvunzo yemavharuvhu
1. Ivhavha yakatumirwa mu hydraulic test haibvumirwi kuva nekutsemuka, pores, dents, valve stem kugadziriswa hakubvumirwi kuva nekatsika phenomenon.
2. Akashandiswa uye akasiya mabhaudhi nenzungu zvinofanirwa kuverengerwa kusimba uye kucherechedzwa kudzivirira kuvhiringidzika.
3. The test workpiece inofanira kusungirirwa kune chigadzirwa uye haibvumirwi kuiswa pachena. Haofm.com.q2G B V5vJ
4. Mabhendi erabha kana mamwe mapedhi elastiki anoshandiswa pakuyedza haafanire kuve akaputika, akaturikidzana, akaregedzera, kana kurasikirwa nekusimba.
5. Ita bvunzo yekumanikidza zvinoenderana nemirairo yemaitiro echigadzirwa. Kana kudzvinyirirwa kunosimudzwa pamusoro pesimba rekushanda, hazvibvumirwi kumonyanisa nati, kusungirira mudziyo uye zvimwe zvikamu pachikamu.
6. Chivharo chekupedzisira chinofanira kusangana nezvinodiwa zvemagwaro eunyanzvi uye kupasa bvunzo isati yashandiswa. Kana muedzo wekuedza unopfuura 25% yehuwandu hwehuwandu hwehuwandu, haibvumirwi kushandiswa.
Nguva yekutumira: Aug-24-2022
