Gukoresha plasma yifu ya spray gusudira muburyo bwo gukora valve

Gukoresha plasma yifu ya spray gusudira muburyo bwo gukora valve

A, amakosa ya valve asanzwe nimpamvu mugukoresha valve mugikorwa cyamakosa asanzwe ni: 1. Guhinduranya uruti ntabwo byoroshye cyangwa guhinduranya uruti ntirworoshye cyangwa rwiziritse, impamvu nyamukuru ni: igitutu cyo gupakira kirakabije; Gupakira gupakira agasanduku ntabwo gasanzwe; Valve stem na stem bushing koresha ibikoresho bimwe cyangwa guhitamo ibikoresho ntibikwiye; Ikinyuranyo kidahagije hagati yigiti nigiti; Valve stem igoramye; Ubuso bwubuso budakenewe.
Ubwa mbere, kunanirwa bisanzwe kwa valve nimpamvu
Amakosa asanzwe mugukoresha indangagaciro ni:
1. Uruti ntiruzunguruka neza cyangwa rufashe
Kuzunguruka kw'ibiti ntabwo byoroshye cyangwa bifatanye, impamvu nyamukuru ni: gupakira igitutu cyane; Gupakira gupakira agasanduku ntabwo gasanzwe; Valve stem na stem bushing koresha ibikoresho bimwe cyangwa guhitamo ibikoresho ntibikwiye; Ikinyuranyo kidahagije hagati yigiti nigiti; Valve stem igoramye; Ubuso bwubuso budakenewe.
2. Ubuso bwa kashe burasohoka
Impamvu nyamukuru zitera gufunga hejuru yubutaka ni: gufunga ibyangiritse hejuru, nka indentation, abrasion, insinga zacitse hagati; Hano hari umwanda ufatanye hagati yikimenyetso cyangwa impeta yo gufunga ntabwo ihujwe neza.
3. Gupakira gutemba
Impamvu yo gupakira kumeneka ni: gupakira isahani yumuvuduko ntabwo ikanda; Gupakira bidahagije; Gupakira kubera kubika nabi no gutsindwa; Ubuzenguruko bwuruti rwa valve rurenze ibyateganijwe cyangwa hejuru yikibaho cya valve gifite ibishushanyo, imirongo, umusatsi nudusembwa; Gupakira ibintu bitandukanye, ingano yimiterere cyangwa ubuziranenge ntabwo byujuje ibisabwa.
4. Isano iri hagati yumubiri wa valve nigifuniko cya valve gitemba
Impamvu zishoboka ni: gufatana kudahwanye na bolts ku ngingo ya flange bitera guhindagurika kwa flange, cyangwa gukomera kudahagije, no kwangiza ubuso buhuza umubiri wa valve nigifuniko cya valve; Igikuta cyangiritse cyangwa kitujuje ibisabwa; Ubuso bwa Flange buringaniye ntabwo buringaniye, gutunganya flange ntabwo ari byiza; Igiti gihuru nigiti cyumuti utunganya nabi bigatuma valve itwikiriye.
5. Irembo ribangamira igifuniko cya valve
Iyo irembo rya rugi rifunguye kuri reta yuzuye, rimwe na rimwe irembo ntirishobora gukingurwa byuzuye, kandi intera iri hagati y irembo nigifuniko cya valve ibaho. Impamvu nuko irembo ridashyizweho neza cyangwa geometrike yumupfundikizo wa valve ntabwo yujuje ibisabwa byavuzwe mubisanzwe.
6. Impfizi y'intama ntifunze
Impamvu nyamukuru zitera ibintu nkibi ni: imbaraga zo gufunga ntabwo zihagije; Hagati y'intebe ya valve n'irembo mu myanda; Ububiko bwa kashe ya valve ntabwo itunganijwe neza cyangwa yangiritse.
7. Ibindi bice, nka trachoma hamwe no gufunga ibice byubutaka biterwa no guta inenge, nabyo bizagira ingaruka kumikoreshereze isanzwe ya valve, kandi hagomba gufatwa ingamba zikwiye kugirango bikemuke.
Babiri, valve isanzwe ikemura ikibazo
Ukurikije amakosa yavuzwe haruguru, hagomba gufatwa uburyo butandukanye bwo kubikemura ukurikije uko ibintu bimeze. Ibisubizo byihariye bigaragara mu mbonerahamwe.
Icya gatatu, umwanzuro
Kugirango hamenyekane imikoreshereze isanzwe ya valve, usibye ukurikije kumenya icyateye amakosa yayo yabayeho neza kandi isesengura, kandi igafata ingamba zijyanye no kugikemura, igomba no gushimangira imiyoborere ya valve, gukora imirimo yo kubungabunga no kugenzura buri munsi , nko kugabanya kunanirwa na valve no kongera igipimo cyubunyangamugayo bwa valve, kora ikine cyane kubyambu byo gupakira no gupakurura umusaruro wingirakamaro.
Gukoresha plasma yifu ya spray yo gusudira muburyo bwa valve ifunga hejuru yububiko bwa PPW aho kuba intoki arc igaragara (cyangwa intoki za flame surfacing), ** irashobora gutanga umukino wuzuye kubiranga inzira ya PPW, kandi ikerekana ibyiza byihariye. Ni ukubera ko ubuso bwa kashe ya valve ari "umutima" wa valve, inzira yo gufunga ububiko bwa valve hamwe nibikoresho bifitanye isano itaziguye nubuzima bwiza na serivisi ya valve, ariko kandi bijyanye nigiciro cyo gukora cya valve. Ubuso bwa kashe ya valve isaba urwego runaka rukomeye hamwe nuburinganire, kurwanya abrasion nziza hamwe no kurwanya ruswa, kandi ibigize amavuta nabyo bifite ibisabwa bijyanye.
Ibyiza byo gushira mubikorwa bya valve bifunga hejuru yubukorikori
Gukoresha inzira ya PPW aho gukoresha intoki arc igaragara (cyangwa intoki za flame surfacing) mugukora kashe ya valve, ** irashobora gutanga umukino wuzuye kubiranga inzira ya PPW, kandi ikerekana ibyiza byihariye. Ni ukubera ko ubuso bwa kashe ya valve ari "umutima" wa valve, inzira yo gufunga ububiko bwa valve hamwe nibikoresho bifitanye isano itaziguye nubuzima bwiza na serivisi ya valve, ariko kandi bijyanye nigiciro cyo gukora cya valve. Ubuso bwa kashe ya valve isaba urwego runaka rukomeye hamwe nuburinganire, kurwanya abrasion nziza hamwe no kurwanya ruswa, kandi ibigize amavuta nabyo bifite ibisabwa bijyanye.
Kubwinshi nubunini bwubushyuhe bwo hagati hamwe nubushyuhe bwumuvuduko hamwe numuvuduko ukabije wumuvuduko, indabyo zidashobora kwangirika, ubuso bwa kashe bukozwe muburyo bukomeye. Bitewe numuvuduko mwinshi wibyuma shingiro, isura imwe ya arc igaragara ntishobora kubahiriza ibisabwa byo gukomera no guhimba. Mubisanzwe, ibice 2-3 bigomba kuba bigaragara. Ubuso bwa kashe yubushyuhe bwo hejuru hamwe numuvuduko mwinshi wumuvuduko hamwe na valve irwanya ruswa bisaba kugaragara hejuru ya cobalt ihenze cyangwa nikel base alloy, gukoresha ibikoresho byintoki, gukoresha ibikoresho bike, hamwe nubuziranenge biragoye kubyemeza. Kugaragara kw'intoki ni bibi cyane kandi ingano yo gukata imashini ni nini, nayo ikaba ari kimwe mu bintu bigira ingaruka ku giciro cyo gukora. Inzira ya PPW iremewe, kandi ibiranga inzira ni igisubizo cyiza cyo gukemura ibibazo byinshi byo kugaragara hejuru yintoki za kashe ya valve:
Plasma powder spray gusudira tekinoroji ifite ibyiza
1, kubera ko igipimo fatizo cyo kugabanya icyuma gishobora kugenzurwa, gusudira monolayeri gusudira birashobora kugera kubisabwa kugirango uburinganire bukomeye hamwe nibihimbano, bizigama ingano ya alloy.
2, cyane cyane ibereye gutera spray gusudira ihenze ya cobalt base na nikel base alloy, spray welding layer yujuje ubuziranenge, igipimo kinini cyo gukoresha amavuta, ntabwo ari ukwemeza ubuziranenge no kugabanya igiciro cyo gukora kashe.
3, kubera ko spray yo gusudira igizwe neza, hejuru iroroshye kandi yoroshye, ingano yabyo irashobora kugenzurwa neza, kuburyo byoroshye guca no kugabanya igihe cyakazi cyo gutunganya imashini.
4, gukoresha ibyuma bisya ibyuma byo gusudira aho gusudira intoki 2Cr13 ntibikeneye kuvurwa kwa annealing, bivanaho uburyo bwo kuzimya.
5, umusaruro mwinshi, ni inshuro zirenga 3 zo kugaragara hejuru yintoki.
Kubera inyungu zavuzwe haruguru, kubwibyo rero muri valve ifunga hejuru yububiko bwa PPW, nubwiza, gukora neza, gukoresha bike muburyo bwo gukora, bifite inyungu nyinshi mubuzima hamwe ninyungu zubukungu.
Isesengura ry'ubukungu
Kubwinshi nubunini bwubushyuhe buringaniye hamwe na valve yumuvuduko (umusaruro wumwaka wigihugu ni toni ibihumbi magana), kuri ubu ababikora benshi bakoresha ibikoresho byoroshye kandi byoroshye kuboneka 2Cr13. Niba inzira ya PPW ishobora gusimbuza intoki hejuru ya 2Cr13 biterwa nuko igiciro cyo gufunga gishobora kugabanuka.
Igiciro cyo gufunga ibicuruzwa bigizwe ahanini na:
(1) Igiciro cyibikoresho byo hejuru; (2) amafaranga y'akazi yo kugaragara; (3) Igiciro cyo gutunganya ibiciro byo hejuru; (4) Igiciro cyo kuvura ubushyuhe, nibindi. Gusesengura ubukungu kubijyanye nibi bice 4 ubungubu.
1. Igiciro cyibikoresho byo hejuru
Igiciro cyibikoresho byo hejuru bigenwa cyane cyane no gukoresha ibikoresho byo hejuru hamwe nigiciro cyibikoresho. Hano haribishushanyo mbonera byubugari nubugari bwurwego rugaragara hejuru yikidodo cyubwoko runaka bwa valve, kandi gukoresha ibikoresho byo hejuru biterwa nigipimo cyo gukoresha amavuta. Igipimo cyimikoreshereze yimyunyu ngugu iterwa nigipimo cyo kugabanuka no kugaragara kwicyuma fatizo. Bitewe nigipimo kinini cyo kugabanuka kwicyuma fatizo cyamaboko ya arc igaragara, bifata inshuro zirenga ebyiri zo kugaragara kugirango zuzuze ibisabwa, bityo igishushanyo mbonera cyibicuruzwa byarangiye murwego rwo hejuru rusanzwe ruri hejuru ya 3mm. Inzira ya PPW, igipimo cyibanze cyo kugabanya ni gito, mugihe cyose gusudira rimwe bizaba byujuje ibisabwa, igishushanyo mbonera cyibicuruzwa byarangiye uburebure bwa surfacing burashobora kugabanuka kugera kuri 2mm. Bitewe no kugaragara nabi kwamaboko, kutaringaniye, muri rusange kubyimbye no kwaguka, igipimo cyo gukoresha ibishishwa bya alloy surfacing layer * ni 40%. Igipimo cyimikoreshereze ya alloy surfacing layer by PPW inzira irashobora kugera kuri 70%.
Intoki arc igaragara ikuraho electrode itwikiriye n'umutwe wa electrode, kandi igipimo cyo gukoresha ibikoresho ni * 70%, mugihe igipimo cyo gukoresha ifu ya PPW gishobora kugera kuri 95%.
Imbonerahamwe 1 igereranya ikoreshwa ryibikoresho hamwe nigiciro cyibintu byombi bigenda bigaragara. Isesengura nigereranya ryerekana ko nubwo electrode ihendutse kuruta ifu ya alloy, kubera igipimo gito cyo gukoresha intoki za electrode igaragara, uburemere bwibikoresho byakoreshejwe bikubye inshuro zirenga 3 ibyo PPW ikora, bityo igiciro cyibikoresho byintoki arc kugaragara ni inshuro 1.9 zuburyo bwa PPW. Iyi ni ishusho itangaje cyane. Niba electrode 2Cr13 yose ikoreshwa na buri ruganda rwa valve ni 100T buri mwaka, igiciro cyibikoresho ni miliyoni 3.3. Hamwe na gahunda ya PPW, ikoreshwa rya poro ya poro ya poro ni 33T, naho ikiguzi cyibikoresho bigera kuri miliyoni 1.82, bityo ikiguzi cyibikoresho bizigama miliyoni 1.48.
Uburyo bwo gusudira
Igiciro cyumushinga PPW
Intoki arc igaragara ya Fe-base alloy ukoresheje spray welding
2Cr13
Uburemere bukomeye bwamavuta yo kugaragara mumaso, Kg11.5
Igipimo cyo gukoresha amavuta yo kwisiga ni 70% 45%
Uburemere bwikigero cyo hejuru, Kg1.433.33
Kugaragara igipimo cyo gukoresha ibikoresho,% 95% 70%
Kugaragara hejuru yo gukoresha ibikoresho, Kg1.54.76
Igiciro cyibikoresho bivanze ni 5.533 yuan / kg
Igiciro cyibikoresho, 82.5157
Igiciro cyibikoresho byo kugereranya 11.9
2. Igiciro cyakazi cyo gusudira
Igihe cyo kugaragara giterwa nubushobozi bwa buri mbaraga zumurimo. Byombi intoki arc igaragara hamwe na PPW igaragara bisaba umukozi umwe gusa gukora. Umubare ugaragara wumukozi umwe kuri buri mwanya kugirango intoki arc igaragara ni hafi 12Kg ugereranije, mugihe iyakozwe na PPW ishobora kugera kuri 20Kg. Intoki arc igaragara niba RAMS 12 igaragara kumukozi umwe kuri buri mwanya, inzira ya PPW irashobora gutera weld 60 RAMS, kandi umusaruro ukubye inshuro 5 ugereranije nintoki arc. Niba igiciro cyisaha cyamaboko yumuriro wamashanyarazi wenyine ari 10 yu gice, noneho igiciro cyisaha cyibikorwa bya PPW ni 2 Yuan kuri buri gice *. Igihe cyigihe cyo gusudira cyaragabanutse cyane.
3. Igiciro cyo gukora igiciro cyo hejuru
Bitewe na PPW inzira, spray yo gusudira igorofa iroroshye kandi yoroshye, kandi amafaranga yo kugabanya ni make. Nubwo ubukana bwurwego rwo gusudira bwatezimbere, gukata guhoraho birashobora kugerwaho utabanje gukata. Igihe cyose cyo gutunganya kiri munsi yicy'amaboko y'amashanyarazi yonyine, kandi igiciro cyo gukora kigabanukaho 20%.
4. Igiciro cyo kuvura ubushyuhe
Intoki z'amashanyarazi yonyine igaragara 2Cr13, ukurikije inzira yo gukora, nyuma yo kugaragara kurangiye, igiti cyo gusudira kiragoye cyane ku buryo kitakorwa, bityo gishobora gutunganywa no kuvura annealing. Nyuma yo kuyitunganya, kugirango igere ku bukomere bwubuso bwa kashe, igomba kuzimya kuri frequency nyinshi hanyuma hasi. Inganda nyinshi za valve ntizitondera ubwiza bwubuso bwa kashe, gutunganya imashini itunganya imashini, ntibikiri uburyo bwo kuzimya inshuro nyinshi, bityo rero gufunga hejuru yikimenyetso ni bike, kurwanya abrasion ni bibi.
Inzira ya PPW, spray welding layer igoye iri murwego rwibisabwa byagenwe, ntukeneye kunyura mu kuvura ubushyuhe (spray welding alloy ntabwo yazimye), ariko bitunganijwe neza mubicuruzwa byarangiye, birashobora kuzigama ingufu, byoroshye kugaragara nkibibazo byubwiza bwa uburyo bwo kuvura ubushyuhe. Inzira ya PPW, ntabwo izamura gusa ubuziranenge bwa kashe ya valve, ahubwo inagabanya igiciro cyo gukora.
Duhereye ku isesengura ry’ubukungu ryavuzwe hejuru yo gufunga ibiciro byo gukora hejuru, birashobora kwerekanwa ko inzira ya PPW mugukora ibicuruzwa bya valve ifite ibyiza byo kuzamura ireme, kugabanya ibiciro, kuzamura imikorere nibindi. Niba inzira ya PPW ishobora kumenyekana no gukoreshwa mubikorwa byinganda zikora valve kugirango bisimbuze intoki inyuma yamashanyarazi yonyine, inyungu zigaragara mubukungu nubukungu zizagerwaho.