Lungisa Izindlela Zokushisela Nokuhlangenwe Nakho Kokuphosakela Kwensimbi Okuvamile

Lo mbhalo wethula ukukhubazeka kwe-valve yensimbi ejwayelekile kanye nezindlela zokulungisa i-welding. Ukukhishwa kwesayensi kokushisela insimbi ekubunjweni kwamaphutha kuyisimo esonga amandla sokuvuselela ubuchwepheshe. Lo mbhalo unikeza incazelo eningiliziwe ngokwahlulelwa nokususwa kwamaphutha. Nikeza izimpendulo zendlela yokulungisa i-welding, imvamisa, kanye nokuphatha ngemuva kokulungisa i-welding. Okuhlangenwe nakho okwonga nokonga okusebenzayo ekushiseni okonakele kufingqiwe.

Ukwelashwa Okungalungile

Ukususwa Okunephutha

Efektri, i-carbon arc air gouging ijwayele ukusetshenziselwa ukuqhumisa ukukhubazeka kokuphonsa, bese kusetshenziswa i-angle grinder ephathekayo ukupholisha izingxenye ezinesici ukuveza ubukhazikhazi bensimbi. Kodwa-ke, ekusebenzeni kokukhiqiza, kusetshenziswa ama-electrode e-carbon steel ukususa amaphutha ngqo nge-current yamanje futhi i-angle grinder isetshenziselwa ukugaya ubukhazikhazi bensimbi. Ngokuvamile, ukusakaza amaphutha kungaqedwa ngokusebenzisa <4mm-J422 Welding induku, 160 ～ 180A zamanje, ukususa ukukhubazeka, futhi grinder engela ngeke ugaye amaphutha ibe U ukuma ukunciphisa ukucindezeleka Welding. Amaphutha asuswa kahle futhi ukukhanda i-welding kusezingeni elihle.

Ukwahlulela Okungaphelele

 Enkambweni yokukhiqiza, ukulungiswa kwe-welding akuvunyelwe kwezinye iziphosiso zokufaka, njengokungena okungena ngaphakathi, ukukhubazeka kokungena (ukungena ngezansi), izimbobo zezinyosi, isihlabathi kanye ne-slag engakwazi ukususwa, nokuncipha nendawo engaphezulu kuka-65 cm2, njll., kanye nenkontileka phakathi kwezinhlangothi ezimbili Okunye ukukhubazeka okukhulu okungenakulungiswa njengoba kuvunyelwene ngohlobo lwephutha kufanele luhlulelwe ngaphambi kokulungiswa kokushisela.

3.Preheating izingxenye ezingaphelele

I-Carbon steel kanye ne-austenitic castings engagqwali, lapho indawo yengxenye yokulungisa i-welding ingaphansi kwama-65cm2, futhi ukujula kungaphansi kuka-20% wobukhulu bokuphosa noma i-25mm, ngokuvamile akudingeki ukushisa kuqala. Kodwa-ke, ukukhishwa kwensimbi okwenziwe nge-pearlitic okufana ne-ZG15Cr1Mo1V, i-ZGCr5Mo, njll., Ngenxa yokuthambekela okuphezulu kokuqina kwensimbi nokuqhekeka okulula ekushiseni okubandayo, kufanele kushushubezwe. Izinga lokushisa langaphambi kokushisa liyi-200-400 ℃ (ukulungisa i-welding ngensimbi engagqwali i-electrode, futhi izinga lokushisa liyigugu elincane). Isikhathi sokubamba akufanele sibe ngaphansi kwama-60min. Uma ukusakaza kungafudunyezwa ngokuphelele, i-oxygen-acetylene ingasetshenziselwa ukunweba ingxenye enesici ngo-20mm bese uyishisa ibe ngu-300-350 ℃ (bheka umbala obomvu ohlangothini olumnyama). Isibani esikhulu esingena hlangothi singenziwa lapho kunesici khona kanye nasemaphethelweni kuqala. Shintsha ukuzungeza masinyane imizuzu embalwa, bese ushintshela ekuhambeni okuhamba kancane bese uyigcina imizuzu eyi-10 (kuya ngobukhulu besici), ukuze ingxenye engaphelele ifudunyezwe ngokuphelele, bese ilungiswa ngokushesha.

Lungisa Indlela Yokushisela

1.Isimangalo  

Lapho kukhishwa insimbi ye-austenitic insimbi engagqwali, kufanele ipholile ngokushesha endaweni enomoya. Ngokusakazwa kwensimbi okunama-pearlitic low-alloy kanye ne-carbon steel castings enendawo enkulu kakhulu yokushisela insimbi, isikhundla se-leeward noma i-windshield kufanele kukhethwe ukugwema imifantu ebangelwe ukupholisa okusheshayo. Ukulungisa ukushisela ungqimba olwakhayo, i-slag kufanele isuswe ngokushesha ngemuva kokulungiswa kwe-welding, futhi i-hammering ngokulinganayo eduze kwesikhungo esinezici ngaphandle ukuze kuncishiswe ukucindezela kokulungisa i-welding. Uma i-welding yokulungisa yenziwa ngezendlalelo eziningana (imvamisa u-3 kuye ku-4 mm uyisendlalelo sokulungisa), indawo ye-slag neyokulungisa isando kufanele isuswe ngesikhathi ngemuva kokushisela ungqimba ngalunye. Uma i-welding yenziwa ebusika, i-ZG15Cr1Mo1V pearlite alloy steel castings, i-oxygen-acetylene kufanele ifudunyezwe kaningi ngendwangu ngayinye yokulungisa i-welding, bese ilungiswa ngokushesha ukugwema ukuqhekeka kwe-welding.

Ukwelashwa 2.Electrode

Ngaphambi kokulungisa i-welding, qala uhlole ukuthi i-electrode isifudumeziwe yini. Ngokuvamile, i-electrode kufanele yomiswe ku-150 ～ 250 ℃ nge-1h. Induku yokushisela eshisiwe kufanele ibekwe ku-incubator, ukuze ithathwe ngokushesha lapho isetshenziswa. I-electrode ishiswa izikhathi ezi-3 kaninginingi. Uma ukumbozwa ebusweni be-electrode kuhlutshiwe, kuqhekeziwe futhi kugqokile, akufanele kusetshenziswe.

3.Repair izikhathi Welding

Okokuphonsa okuthwala ingcindezi, okufana nezindlu ze-valve ezihlolwe ingcindezi yamanzi, ingxenye efanayo ngokuvamile ivunyelwe ukulungiswa kanye kuphela, futhi ukulungisa i-welding akunakuphindwa, ngoba ukuwelda kaningi okulungisa kuzokwenza okusanhlamvu kusensimbi indawo futhi kuthinte ukusebenza okuphatha ingcindezi kokuphonsa, ngaphandle kokuthi ukusakaza kungaba ukwelashwa kabusha kokushisa ngemuva kokushisela. Kwenye insimbi yokulungisa engenawo umfutho engxenyeni efanayo, imvamisa ibekiwe ukuthi i-welding yokulungisa akufanele yeqe izikhathi ezi-3. Okokukhishwa kwensimbi yekhabhoni okunama-welds wokulungisa angaphezu kwengxenye eyodwa engxenyeni efanayo, kufanele baphathwe ngokukhululeka ngemuva kokushisela.

4.Repair Welding ungqimba ukuphakama

Ukuphakama kokulungisa i-welding ekubunjweni ngokuvamile kucishe kube ngu-2mm ngaphezulu kwendiza yokuphonsa ukwenza lula imishini. Isendlalelo sokulungisa i-welding siphansi kakhulu, futhi isibazi se-welding kulula ukuvezwa ngemuva kokukhanda. Isendlalelo sokulungisa siphezulu kakhulu, esidla isikhathi, esisebenza kanzima nesisebenza ngamandla.

Welding Post-Ukulungisa

1.Iwelding yokulungisa ebalulekile

Ukuphonswa okuvuza ekuvivinyweni kwe-hydraulic, ukusakazwa okunendawo yokulungisa i-welding> 65cm2, kanye nokujula ngokujula> ama-20% wobukhulu bodonga lokulingisa noma i-25mm, kubhekwa njengokushisela okubalulekile kokulungisa ku-ASTMA217 / A217M-2007. Kuphakanyiswa ngokwezinga le-A217 lale welding yokulungisa ebalulekile ukuthi ukwelashwa kokuqeda ukucindezeleka noma ukwelashwa okuphelele kokuvuselela kufanele kwenziwe, futhi lokhu kwelashwa kokunciphisa ukucindezeleka noma ukwelashwa okuphelele kokuvuselela kufanele kwenziwe ngendlela evunyelwe, okungukuthi, izidingo zokulungisa izinsimbi ezibalulekile Ukwakhiwa kwenqubo yokulungisa insimbi. I-ASTMA352 / A352M2006 ibeka ukuthi ukukhululeka kwengcindezi noma ukwelashwa kokushisa ngemuva kokushiswa ngemuva kokushiselwa okubalulekile kubalulekile. Izinga lomkhakha wezwe lakithi i-JB / T5263-2005 elihambisana ne-A217 / A217M lichaza ukushisela insimbi ebalulekile ngokuthi "ukukhubazeka okusindayo". Kepha empeleni, ngaphezu kokukhipha izikhala ezingavuselelwa ngokuphelele, ukukhubazeka okuningi kuvame ukutholakala ekuqedeni, futhi akusenakuphathwa ngokuphelele ukushisa. Ngakho-ke, ekusebenzeni kokukhiqiza, kuvame ukuxazululwa umshiseli onolwazi onesitifiketi sokushisela umkhumbi wokucindezela khona lapho.

Ukukhululeka kwengcindezi

Ngemuva kokulungisa amaphutha atholakele ngemuva kokuqeda ukushisela, ukwelashwa okuphela kokucindezeleka akusakwazi ukwenziwa. Ngokuvamile, indlela yokushisa nokushisa ngokwengxenye yelangabi le-oxygen-acetylene esizeni esinesici ingasetshenziswa. Ilangabi elingathathi hlangothi lesibani esikhulu sokusika lihlehliswa kancane kancane liye emuva naphambili, futhi ukuphonsa kufudunyezwa kubomvu obomvu obonakalayo (cishe ngama-740 ℃) ebusweni, nokulondolozwa kokushisa (2min / mm, kepha hhayi ngaphansi kuka-30min). Ibhodi le-Asbestos kufanele limbozwe kusici ngokushesha ngemuva kokwelashwa kokucindezeleka. Okokukhubazeka kububanzi be-valve yensimbi ye-pearlitic, amapuleti e-asbestos kufanele agcwaliswe engxenyeni engaphakathi yobubanzi ukuyenza iphole kancane lapho kulungiswa i-welding. Lolu hlobo lomsebenzi lulula futhi longa imali, kepha kudinga ukuthi umshiseli wokushisela abe nolwazi oluthile olusebenzayo.

Izinsimbi ezingenasici ngokuvamile azilashwa ngemuva kokulungiswa kokushisela, kepha ukushisela kufanele kwenziwe endaweni enomoya ukuze indawo yokulungisa insimbi ipholile ngokushesha. Ngaphandle kokuthi i-welding yokulungisa ikhombisa ukuthi idale ushintsho esakhiweni se-austenite, noma isici esibi. Lapho inkontileka nemibandela ivuma, ukwelashwa ngesisombululo kufanele kwenziwe kabusha. Ama-castings e-Carbon steel kanye ne-pearlite castings enezindawo ezinamaphutha amakhulu kakhulu futhi ajulile, asesigabeni sokuhlanza se-castings futhi angene emashini enokhahlo kodwa anemali yokuqeda, kufanele abhekane nokwelashwa kokucindezeleka ngemuva kokulungiswa kwe-welding. Izinga lokushisa lokunciphisa ukucindezeleka kwe-carbon steel lingasethwa ku-600 ～ 650 ℃, izinga lokushisa le-ZG15Cr1Mo1V ne-ZGCr5Mo lingasethwa ku-700 ～ 740 ℃, kanti izinga lokushisa le-ZG35CrMo lingasethelwa ku-500 ～ 550 ℃. Kuko konke ukusakazwa kwensimbi, isikhathi sokuthoba ingcindezi asikho ngaphansi kwe-120min, futhi sipholile sibe ngaphansi kuka-100 ° C ngesithando somlilo.

Ukuhlolwa okungonakalisi

Ngokuphathelene "nokukhubazeka okusindayo" kanye "nokushisela okubalulekile kokushiswa" kwama-valve castings, i-ASTMA217A217M-2007 ejwayelekile ibeka ukuthi uma ukukhiqizwa kokuphonswa kuhlangabezana nezimfuneko ze-S4 (magnetic particle ukuhlolwa) izidingo zokungezelela, ukulungiswa kokushisela kufanele kuhlolwe ngokuhlolwa kwezinhlayiya kazibuthe izinga elifanayo lekhwalithi lokuhlola ukusakazwa. . Uma ukukhiqizwa kwabasiki kuhlangabezana nezimfuneko ze-S5 (ukuhlolwa kwe-radiographic) izidingo ezingeziwe, zokuphonsa ezivuzayo esivivinyweni samanzi, noma eminye imigodi ezolungiswa, ukujula kwayo kudlula u-20% wobukhulu bodonga noma i-1in1 (25mm) ) futhi ukukhishwa kulungiselelwe ukulungiswa kwe-welding. Noma ikuphi ukuwelda kokulungisa okwenziwe ngomgodi okungaphezu kuka-10in2 (65cm2) kufanele kuhlolwe ngokuhlola okujwayelekile kwe-radiographic njengokujikijela. Izinga elijwayelekile le-JB / T5263-2005 licacisa ukuthi ukuhlolwa kwe-radiographic noma kwe-ultrasonic kufanele kwenziwe ngemuva kokulungiswa kwamaphutha amakhulu. Lokho ukusho ukuthi, lapho kunamaphutha asindayo nokushiswa okubalulekile kokulungisa, kufanele kwenziwe ukuhlolwa okungonakalisi okusebenzayo, futhi kungasetshenziswa ngemuva kokufanelekela lokho.

Sicela ugcine umthombo nekheli lale ndatshana ukuze uphinde uprintwe:Lungisa Izindlela Zokushisela Nokuhlangenwe Nakho Kokuphosakela Kwensimbi Okuvamile

UMinghe Inkampani yeDie Casting anikezelwe ekukhiqizeni nasekuhlinzekeni ikhwalithi nokusebenza okuphezulu Izingxenye Zokulingisa (izingxenye zensimbi zensimbi zokufa zisebenza ikakhulukazi zibandakanya I-Thin-Wall Die Casting,I-Hot Chamber Die Casting,Cold Chamber die Casting), Insizakalo Eyindilinga (Insiza Yokulingisa,ICnc Machining,Ukwenza Okubandayo, Surface Treatment) .Noma ikuphi ukusakazwa kwe-Aluminium die, i-magnesium noma i-Zamak / zinc die casting nezinye izidingo zokuphosa zamukelekile ukuxhumana nathi.

Ngaphansi kokulawulwa kwe-ISO9001 ne-TS 16949, Zonke izinqubo zenziwa ngamakhulu emishini esezingeni eliphakeme yokufa, imishini ye-5-axis, nezinye izikhungo, ezisukela kuma-blasters kuya kumishini yokuwasha ye-Ultra Sonic.Minghe akagcinanga ngemishini esezingeni eliphezulu kepha futhi unobuchwepheshe iqembu lonjiniyela abanolwazi, ama-opharetha nabahloli ukwenza ukwakheka kwekhasimende kugcwaliseke.

Umenzi wenkontileka yokufa kwabasikiwe. Amandla afaka izingxenye ezibandayo ze-aluminium die casting ezivela ku-0.15 lbs. kuye ku-6 lbs., Ukusetha ushintsho olusheshayo, nemishini. Izinsizakalo ezingezwe ngenani zifaka phakathi ukupholisha, ukudlidliza, ukuphazamisa, ukuqhumisa ngokudubula, ukupenda, ukuhlobisa, ukumboza, ukuhlangana nokusetshenziswa kwamathuluzi. Izinto zokusebenza ezisetshenzisiwe zifaka ama-alloys afana no-360, 380, 383, no-413.

I-Zinc die casting design usizo / izinsizakalo zobunjiniyela ezihambisanayo. Umenzi wangokwezifiso we-precision zinc die castings. Ukusakazwa okuncane, ukukhishwa kwengcindezi ephezulu, ukusikeka kwesikhunta esiningi, ukujikijelwa kwesikhunta okuvamile, ukufefa kwamayunithi kanye nokuzimela okuzimele kanye nokuvalwa okuvaliwe komgodi kungenziwa. Ama-Castings angenziwa ngobude nobubanzi obufinyelela ku-24 in. Ku +/- 0.0005 in. Ukubekezelelana.  

I-ISO 9001: Umkhiqizi oqinisekisiwe ka-2015 we-die cast magnesium, Amandla afaka i-high-pressure magnesium die casting up to 200 ton chamber hot & 3000 ton cold chamber, designing designing, polishing, molding, machining, powder & liquid paint, QA full with CMM amakhono , inhlangano, ukupakisha nokulethwa.

Kuqinisekiswe i-ITAF16949. Insiza Eyengeziwe Yokulingisa Faka ukukhipha utshalomali,ukuphonsa kwesihlabathi,Ukuphonswa kwamandla, Lost Foam Ekubunjweni,I-Centrifugal Casting,Ukuphoswa Kokuqothula,Permanent Isikhunta Ukulingisa, Amakhono afaka i-EDI, usizo lobunjiniyela, ukumodeliswa okuqinile nokucutshungulwa kwesibili.

Izimboni Zokulingisa Izingxenye Zamacala Ezifundo Zezimoto: Izimoto, Amabhayisikili, Izindiza, Izinsimbi Zomculo, I-Watercraft, Amadivayisi we-Optical, Izinzwa, Amamodeli, Amadivayisi we-elekthronikhi, Ukuvaleka, Amawashi, Imishini, Izinjini, Ifenisha, Ubucwebe, AmaJig, Telecom, Ukukhanyisa, Amadivayisi Wezokwelapha, amadivayisi wezithombe, Amarobhothi, okubaziwe, okokusebenza komsindo, okwezemidlalo, i-Tooling, Amathoyizi nokuningi. 

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By Umkhiqizi weMinghe Die Casting | Izigaba: Izindatshana Eziwusizo |Material Omaka: I-Aluminium Casting, Zinc Ukulingisa, Ukulingiswa kweMagnesium, I-Titanium Casting, Insimbi Engagqwali, Brass Ekubunjweni,Ukulingiswa kweBronze,Isakaza ividiyo,Umlando wenkampani,I-Aluminium Die Casting | Amazwana Off