Valve sealing surface spray welding alloy process process valve akati: handizive kuti ndingandishandisa sei

Valve sealing surface spray welding alloy process process valve akati: handizive kuti ndingandishandisa sei

Valve sealing surface spray welding alloy processing process ine matanho mana:
Kugadzirira kusati kwavakwa, kunze kwekutanga-kurasa, kupfapfaidza nekupfapfaidza mushure mekurasa.
(a) Gadzirira zvinhu
Kusimbiswa kwedata, zvinhu, zvishandiso uye maitiro.
Pamberi pekuita kunofanirwa kunzwisisa mamiriro echokwadi uye hunyanzvi hweakapfapfaidzwa workpiece chikumbiro hafu yekumira kuongorora,
1, ukobvu hwekuputira. Semazuva ese, mushure mekupfapfaidza kunofanira kumisa muchina kugadzirisa, kune kukoira ukobvu kuchachengeterwa kugadziriswa kwemvumo, asi zvakare funga nezvekuwedzera kwekupisa uye kuderera kwekupfapfaidza.
2, kusimbiswa kwedata rekuvhara. Zvinoenderana nesarudzo ndeyekuti iyo data yekuvhara inofanirwa kugutsikana neruzivo rweakapfapfaidza workpiece, chikumbiro chakajairwa, chikumbiro chehunyanzvi uye chimiro chenyaya, iyo yekusanganisa layer uye data layer data yakaparadzaniswa.
3, mamwe ma paramita: kudzvanywa, saizi yehupfu, pfuti yekupfapfaidza uye chiyero chekufamba kweworkpiece.
(2) pre-kurasa yeworkpiece kunze
Kugadzirira kwekunze ndiko kushushikana kwesimba rekubatana kwekuputira uye matrix
1, concave yekucheka kurapa, kune akaneta layer uye mamwe makuru e groove mamaki kunze, pasi pesimba rekushivirira, anogona kumisa kucheka kuraswa, kupa inosanganisirwa nzvimbo yekupisa yekupisa.
2, kunze kucheneswa, kubvisa kusvibiswa kwemafuta, ngura, pendi layer, kuitira kuti kunze kwechishandiso chive chakachena, pendi yekusvibiswa kwemafuta inogona kubviswa neajenti yekuchenesa inonyungudutsa, kana mafuta apinda mudhata rematrix, anogona kubviswa nekupisa kwemoto. , iyo ngura layer inogona kumisa acid leaching, muchina kukuya kana jecha kuputika kubvisa.
3, iyo yekunze kukoromoka, chinangwa ndechekusimbisa iyo yakabatana simba rekupotera uye matrix, kubvisa kushushikana, kushandiswa kushoma kwejecha, kuvhura tangi rib, kudhonza bvudzi,
A: Kuputika kwejecha ndiko kusingawanzoitiki, jecha rinogona kusarudza jecha requartz, jecha realuminium, jecha resimbi inotonhora, jecha rinopinza uye rakasimba, rinofanira kuva rakachena uye rakaoma, mitsara inopinza uye makona. Saizi yaro, saizi yekumanikidza kwemuchadenga, kuputika kweAngle, kupindirana, uye nguva inofanirwa kumiswa zvichienderana nemamiriro chaiwo.
B: Yakapfava, mbabvu, roller. Pakurapa kwakakasharara kweshaft uye sleeve muchina kunze, mugero unogona kushandiswa kurasa mosquito yemota, uye kushata kwegorofu uye mbabvu kunze kwakakodzera RA6.312.5. Hapana inotonhorera uye inonyorovesa mumiriri inowedzerwa mukugadzirisa kugadzirisa kubata nembabvu workpiece yemotokari yetangi, iyo inogona kutenderedza pateni kunze, asi kudzivirira makona akapinza.
C: The workpiece ine yakakwirira kuoma inogona kumisa EDM kudhirowa uye coarsening. Nekudaro, iyo yakaonda yekuputira workpiece inofanira kushandiswa nekuchenjerera. Iyo EDM yekudhonza bvudzi nzira inoshandisa yakanaka nickel waya kana aluminium waya se electrode. Pasi pesimba rearc, data ye electrode uye kunze kwematrix zvakasanganiswa zvishoma, zvichiita kuti kunze kuve kwakaoma. Mushure mekuonekwa kwekunze kwekunze, kunofanira kudzivirira kucheneswa, kunorambidzwa zvachose kubata, kuchengetwa munzvimbo yakachena, yakaoma, inoputika nokukurumidza sezvinobvira mushure mokupfapfaidza, senguva dzose yekupfapfaidza nguva haipfuuri maawa maviri.
4. Chifukidziro chezvikamu zvisiri-spray
Kupfapfaidza kunze pedyo nekupfapfaidza, chivharo chinoda kukwanisa kushandisa kupisa-rinodzivirira girazi jira kana asbestos uye chipingamupinyi, chinodiwa maererano nemuchina chinja mhinduro kana chivharo chivharo, asi kuri kutarisisa kune fixture data inofanira kuva neimwe simba. , uye izvo zvinoreva kushoma kushandiswa kweyakaderera melting point alloy, zvimwe kucheneswa kupfekedzwa, iyo keyway iri kunze, kubata nemafuta matrix gomba haibvumire chikamu chespray, senge Inogona kuvharwa negraphite block kana choko flat kana zvishoma. yakakwirira kupfuura kunze. Mushure mokupfapfaidza kuti ubvise, teerera kukuvadza kwekuputira, mipendero uye makona kuti uite.
(3) Kupfapfaidza
Preheat kusvika 100 kusvika 200 degrees Celsius usati wapfapfaidza kuderedza kusiyana kwetembiricha. Zvidimbu zviduku zvinogona kupiswa muchoto.
Pfapfaidza yakasanganiswa dhizaini yekudzora pasi pakati pewaya gumi kusvika kune waya makumi maviri, hupfu husina kwazvakarerekera kana kuchamhembe kabhoni murazvo, mushure mekutumira madhiri emoto tsvuku inopenya, uye chiutsi chebhuruu nehutsvuku. Kana kuguma kwakachena kuchena ruvara, kujekesa kuti kune zviratidzo zvekukuvadza kunofanira kugadziriswa moto kana kuderedza huwandu hwehupfu, kana rima rakatsvuka, kujekesa kuti hapana kunyunguduka, kuwedzera murazvo, kudzora huwandu hwehupfu uye kuyerera kwehuwandu. Kana muyero wemurazvo nehupfu uchishanda, saizi yehupfu inogona kuchinjwa neine nickel content, uye hupfu hune nickel hunogona kuchinjwa kuita hupfu hwakakora kana hupfu hune nickel yakawanda. Kupfapfaidza kunofanirwa kuve perpendicular kune yekupfapfaidza kunze, iyo yepakati mune general control pa180200MM.
Kupfapfaidza zvinhu layer: mushure mekupfapfaidza iyo yakabatana layer kuti ibvise hupfu hwemadota uye oxide firimu newaya bhurashi, kuiswa kweiron poda neNorth carbonization murazvo, kushandiswa kwehupfu hwemhangura kunofanirwa kushandisa murazvo usina kwauviri, uye kushandisa nickel hupfu pakati pezviviri. , zvichienderana nekuzivikanwa kwayo uye shanduko. Kudzora kwepakati pakati pe180200MM, nguva yekupfapfaidza yakakurisa, tembiricha yekunyunguduka yakaderera, mwero unononoka uye simba harina kukwana, simba rekubatana rakaderera, chimiro chakasununguka, nguva yekupfapfaidza idiki, hupfu haupindike. , simba rekuita rakasimba rebound, iyo yekuunganidza yakaderera, simba rekubatana rakaderera. Chiyero chekufamba, nekuda kwe70150MM/S, kuyerwa nethermometer, kuyambuka 250 madhigirii kunofanirwa kumiswa kupfapfaidza.
Mushure mekupfapfaidza workpiece kutonhora: kutonhora nguva, kushushikana ndeyekudzivirira iyo yekuputira peeling uye deformation yeworkpiece. Kunyanya kune mamwe maumbirwo akakosha, matanho ekudzivirira anofanirwa kutorwa, sekutonhodza kwechisikigo kweakisi refu padivi remuchina, kana kuirembera yakatwasuka kuti itonhodze.
(4) Kuraswa mushure mekupfapfaidza
Gomba rekuvhara, kugadzira muchina uye mamwe maitiro.
Coating accounts inosvika gumi neshanu muzana yevhoriyamu, porosity uye pore kufunga kweimwe yakabatana kune yayo yakanakisa muchina we friction pair, inogona kurova kuisa muchina mukutsetseka mushure mekupfapfaidza mafuta, kushandiswa kwepore reservoir kunobatsira kutsetseka, asi kubata nazvo. iyo hydraulic muchina, pore uye nyore kuvuza, kubata nayo mushure mekupfapfaidza, inofanirwa kushandisa gomba sealing agent stop gole sealing treatment.
Chikumbiro chekuisa chisimbiso mumiriri: yakanaka permeability, makemikari kuramba, hapana kupera, hapana metamorphosis. Basa rakagadzikana pakupisa, rinogona kusimbisa basa rekuvhara, risingawanzo wax, epoxy, phenolic nezvimwe zvakadaro.
Kana iyo dimensional kurongeka mushure mekupfapfaidza uye kushata kwekunze hakugone kugutsikana nechikumbiro, zvakakosha kumisa kugadzirwa kwemichina, inogona kushandisa kutendeuka kana kugaya kugadzirisa.
Valve yakati: ndisingazive mashandisiro andingaite mashandisiro andingaite evharuvhu yekudonha zvinodiwa zvakaderera sezvinobvira, yakapfava seal valve leakage yakadzikira, kucheka mhedzisiro yacho yakanaka, asi kwete kusapfeka, kusavimbika.
Iyo yakadzikira iyo inodonha inodiwa yevharuvhu yakachekwa, zviri nani kubuda kwevhavha yakapfava yekuvharisa kunenge kwakadzikira, kucheka-kubvisa mhedzisiro yakanaka, asi isingapfeki, isingavimbike zvakanaka.
1. Sei zviri nyore kubvongodza kana vharafu ine zvigaro zviviri yakavhurika diki?
Kune imwechete musimboti, kana yepakati ichiyerera yakavhurika mhando, iyo vharafu kugadzikana kwakanaka; Kana iyo yepakati ichiyerera yakavharwa, kugadzikana kwevhavha kwakashata. Ivhavha yechigaro chechipiri ine spool mbiri, spool yepasi iri mukuyerera yakavharwa, spool yepamusoro iri mukuyerera yakazaruka, saka, mubasa diki rekuvhura, kuyerera kwakavharwa mhando spool iri nyore kukonzera kudengenyeka kwevhavha, izvi ndicho chikonzero nei vharuvhu yezvigaro zviviri isingakwanise kushandiswa padiki rekuvhura basa.
2. Sei vharuvhu yekuvharisa kaviri isingagone kushandiswa sevharuvhu yekucheka?
Kubatsira kwevaviri-seat valve spool ndeyokuti simba rekuenzanisa chimiro chinobvumira kusiyana kwekumanikidza kuti kuve kwakakura, nepo kushata kwayo kwakanyanya ndeyekuti nzvimbo mbiri dzekuisa chisimbiso hadzigone kusangana zvakanaka panguva imwe chete, zvichikonzera kudonha kukuru. Kana iyo yakagadzirwa uye yakashandiswa nechisimba kugura chiitiko, zviri pachena kuti mugumisiro wacho hauna kunaka, kunyange kana wakagadzirisa zvakawanda (zvakadai sevhavha yevhavha yevhavha yechisimbiso), haisi kudiwa.
3, chii chakatwasuka chinodzora vharafu chinovharira kuita chisina kunaka, Angle sitiroko yevhavha inovharira kuita kwakanaka?
Straight stroke valve spool iri vertical throttling, uye yepakati yakachinjika kuyerera ichipinda nekubuda mukamuri yevharuvhu inoyerera chiteshi inofanira kudzokera kumashure, kuitira kuti nzira yekuyerera yevharuvhu ive yakaoma kwazvo (chimiro senge inverted "S" mhando). Nenzira iyi, kune nzvimbo dzakawanda dzakafa, dzinopa nzvimbo yekunaya kwepakati, uye nekufamba kwenguva, inokonzera kuvhara. Marongero eAngle stroke valve throttling ndiyo nzira yakachinjika, yepakati inoyerera ichipinda nekubuda yakachinjika, uye zviri nyore kubvisa svikiro. Panguva imwecheteyo, nzira yekuyerera iri nyore, uye nzvimbo yepakati yekunaya ishoma, saka iyo Angle stroke valve ine yakanaka yekuvharira kuita.
4. Sei dzinde reiyo straight stroke regulating valve rakatetepa?
Inosanganisira yakapfava mechanicha musimboti: hombe kutsvedza kukweshera uye kudiki diki. Straight sitiroko vharafu hunde kumusoro uye pasi kufamba, kurongedza zvishoma akatsikirirwa zvishoma, zvichaita kuisa vharafu hunde akaputirwa zvakasimba, kubudisa yakakura musana musiyano. Nokuda kwechikonzero ichi, chidzitiro chevhavha chakagadzirirwa kuva chiduku zvikuru, uye kurongedza kunowanzoshandiswa nekadiki kadiki ye friction PTFE packing, kuitira kuti kuderedza kuseri kwemashure, asi dambudziko nderokuti tsinde yevhavha yakaonda, iri nyore kukotama. , uye hupenyu hwekurongedza hupfupi. Kugadzirisa dambudziko iri, nzira iri nani ndeye kushandisa tsinde yevhavha yekufamba, iyo inonzi Angle stroke type yevhavha inoronga, tsinde yevharuvhu yayo ndeye 2 ~ 3 nguva yakakora kupfuura yakatwasuka sitiroko valve stem, uye kusarudzwa kwehupenyu hurefu graphite filler. , kuoma kwedzinde kwakanaka, kurongedza hupenyu hwakareba, iyo friction torque idiki, diki kudzoka musiyano.
5. Sei kuchekwa kwekumanikidza musiyano weAngle sitiroko vharafu yakakura?
Angular sitiroko yerudzi rwevharuvhu yakacheka kudzvanya musiyano yakakura, nekuti yepakati mune spool kana vharafu ndiro inokonzeresa simba pane inotenderera shaft torque idiki kwazvo, saka, inogona kumirisana nekumanikidza kukuru mutsauko.
6. Sei hupenyu hwesevhisi hwemvura inobvisa munyu hwakaiswa rubber butterfly valve uye fluorine lined diaphragm valve ipfupi?
Desalting yemvura yepakati ine yakaderera kusanganiswa kweasidhi kana alkali, ivo vane corrosion yakakura kune rabha. Kuora kwerabha kunoratidzwa nekuwedzera, kukwegura uye kuderera kwesimba. Iko kushandiswa kwevhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhavhafavorwa nediaphragm yakavharwa nerabha haina kunaka. Chinokosha ndechekuti rabha haidzivirirwe nekuora. Mushure mekunge rubber lining diaphragm valve yavandudzwa kusvika pakudzivirirwa kwekuora kwefluorine lined diaphragm valve, asi diaphragm yefluorine yakavharidzirwa diaphragm valve haigoni kusimuka uye pasi ichipeta uye yakatyoka, zvichikonzera kukanganisa kwemagetsi, hupenyu hwevhavha hupfupi. Iye zvino nzira iri nani ndeyokushandisa mvura kurapa valve yebhora, inogona kushandiswa kwemakore mashanu kusvika ku8.
7. Sei vharuvhu yekucheka ichifanira kuvharwa zvakasimba sezvinobvira?
Iyo yakadzikira iyo inodonha inodiwa yevharuvhu yakachekwa, zviri nani kubuda kwevhavha yakapfava yekuvharisa kunenge kwakadzikira, kucheka-kubvisa mhedzisiro yakanaka, asi isingapfeki, isingavimbike zvakanaka. Kubva pakudonhedza uye kudiki, kuvharika uye kuvimbika kaviri mwero, zvinyoro zvisimbiso zvakachekwa zviri nani pane chakaoma chisimbiso chakagurwa. Zvakadai se-full-function ultra-light regulating valve, yakavharwa uye yakavharidzirwa nekudzivirira-resistant alloy kuchengetedzwa, kuvimbika kwepamusoro, kudonha kwehuwandu hwe10 ~ 7, yakakwanisa kuzadzisa zvinodiwa zvevhavha yakachekwa.
8. Sei vharuvhu yesleeve yakatsiva vharuvhu yechigaro chimwe nembiri asi isina kuzadzisa chinangwa chayo?
Iyo sleeve valve, iyo yakabuda muma1960s, yakashandiswa zvakanyanya kumba nekune dzimwe nyika muma1970, uye sleeve valve mupetrochemical plant yakaunzwa muma1980 yakaverengera reshiyo huru. Panguva iyoyo, vanhu vazhinji vaitenda kuti vharafu inogona kutsiva imwe uye kaviri chigaro vharafu uye ive yechipiri chizvarwa chezvigadzirwa. Nhasi, izvi hazvisizvo, vharafu yechigaro chimwe chete, vheji yechigaro chechipiri, sleeve valve inoshandiswa zvakaenzana. Izvi zvinodaro nekuti sleeve valve inongovandudza throttling fomu, kugadzikana uye kugadzirisa zvirinani pane imwe chigaro vharafu, asi huremu hwayo, kuvharira uye kudonha zviratidzo zvinopindirana neiyo imwechete uye kaviri chigaro vharafu, ingaite sei kutsiva imwechete uye kaviri chigaro vharafu. ? Saka, inofanira kugoverwa.
9. Sei kusarudza kuchikosha kupfuura kuverenga?
Kuverenga uye kusarudzwa zvichienzaniswa, kusarudzwa kwakakosha zvakanyanya, zvakanyanya kuoma. Nekuti iyo kuverenga ingori nyore formula yekuverenga, haibvi pakurongeka kweformula pachayo, asi nekurongeka kweiyo yakapihwa maitiro paramita. Kusarudzwa kunosanganisira zvakawanda zvemukati, kusava nehanya zvishoma, kuchaita kuti kusarudzwa kusina kunaka, kwete kungokonzera kuparara kwevashandi, zvinhu zvehupfumi, mari, uye kushandiswa kwemigumisiro haina kunaka, kuunza matambudziko akawanda ekushandisa, akadai sekuvimbika. , hupenyu, hutano hwekushanda, nezvimwe.