Lokisa mekhoa ea ho tjheseletsa le boiphihlelo ba liphoso tse 'maloa tse tloaelehileng tsa ho lahla tšepe

Sengoliloeng sena se hlahisa liphoso tse tloaelehileng tsa tšepe ea valve le mekhoa ea ho lokisa litšepe. Sesebelisoa sa ho lokisa sa mahlale sa litšitiso tsa tšepe ke sesebelisoa se pholosang matla sa boenjiniere. Sengoloa sena se fana ka tlhaloso e qaqileng mabapi le kahlolo le pheliso ea liphoso. Fana ka likarabo ka mokhoa oa ho lokisa tjheseletsa, maqhubu le boiphihlelo ba ho sebetsana le ts'ebetso ka mora ho lokisa tjheseletsa. Boiphihlelo ba moruo le bo sebetsang ba ho tjheseletsa liphoso li akaretsoa.

Phekolo e nang le phoso

Ho tlosoa ho phethahetseng

Fekthering, khase ea moea ea khase ea khabone e sebelisoa hangata ho foka liphoso tsa ho lahla, ebe ho sebelisoa grinder e nkehang ea ho bentsa likarolo tse senyehileng ho senola benya ba tšepe. Leha ho le joalo, ts'ebetsong ea tlhahiso, li-electrode tsa tšepe ea kh'abone li sebelisetsoa ho tlosa liphoso ka kotloloho ka boemo bo phahameng ba hajoale mme grinder ea angle e sebelisetsoa ho sila benya ba tšepe. Ka kakaretso, ho lahla litšitiso ho ka felisoa ka ho sebelisa <4mm-J422 tjheseletsa molamu, 160 ～ 180A hona joale, ho tlosa mefokolo, le angle grinder tla sila le liphoso ka U sebopeho ho fokotsa ho tjheseletsa khatello ea kelello. Liphoso li tlosoa ka botlalo 'me ho lokisoa tjheseletsa ke boleng bo botle.

Kahlolo e phethahetseng ea 2

 Ts'ebetsong ea tlhahiso, ho tjheseletsa litšepe ha hoa lumelloa bakeng sa liphoso tse ling tsa ho lahla, joalo ka mapetso a kenang, bofokoli bo kenang (ho kenella ka tlase), masoba a khekhe a linotši, lehlabathe le slag tse ke keng tsa tlosoa, le ho fokotseha ka sebaka se fetang 65 cm2, jj, le konteraka lipakeng tsa mahlakore a mabeli Liphoso tse ling tse kholo tse ke keng tsa lokisoa joalo ka ha ho lumellanoe Mofuta oa sekoli o lokela ho ahloloa pele ho tjheseletsoa.

3.Preheating tsa likarolo haelloang

K'habone tšepe le austenitic castings celik, moo sebaka sa karolo ea ho lokisa tjheseletsa e ka tlase ho 65cm2, 'me botebo e ka tlase ho 20% ea botenya ba lahla kapa 25mm, ka kakaretso ha ho preheating hlokahala. Leha ho le joalo, li-castings tsa pearlitic tse kang ZG15Cr1Mo1V, ZGCr5Mo, jj. Mocheso oa pele ho ho futhumatsa ke 200-400 ℃ (ho lokisa tjheseletsa ka elektrode ea tšepe e sa hloekang, mme mocheso ke boleng bo bonyenyane). Nako ea ho ts'oara ha ea lokela ho ba tlase ho 60min. Haeba ho lahla ho ke ke ha futhumatsoa ka botlalo, oksijene-acetylene e ka sebelisoa ho holisa karolo e nang le sekoli ka 20mm ebe ea e futhumatsa ho 300-350 ℃ (sheba bofubelu bo lerootho lehlakoreng le lefifi). Torche e kholo e sa nke lehlakore e ka etsoa ka sekoli le pheletsong pele. Sokolla selikalikoe kapele ka metsotso e seng mekae, ebe u chencha ho tsamaea butle 'me u se boloke metsotso e 10 (ho latela botenya ba sekoli), e le hore karolo e nang le sekoli e futhumale ka botlalo, ebe e lokisoa kapele.

Lokisa Mokhoa oa ho tjheseletsa

1. Kopo  

Ha ho lokisoa litšepe tsa austenitic tse sa hloekeng, li lokela ho pholisoa kapele sebakeng se nang le moea. Bakeng sa litšepe tsa pearlitic low-alloy castings le li-castings tsa khabone tse nang le sebaka se seholo haholo sa ho tjheseletsa, boemo ba leeward kapa fenstere e kapele ea moea e lokela ho khethoa ho qoba mapetso a bakiloeng ke ho phola ka potlako. Bakeng sa ho lokisa tjheseletsa ea lera la ho aha, slag e lokela ho tlosoa hang hang ka mor'a ho lokisa tjheseletsa, le ho otlanya ka mokhoa o ts'oanang le setsi sa sekoli kantle ho fokotsa khatello ea maikutlo ea ho tjheseletsa. Haeba ts'ehetso ea ho lokisa e etsoa ka mekhahlelo e mengata (ka kakaretso 3 ho isa ho 4 mm ke mochini oa ho tjheseletsa o lokisoang), sebaka sa ho lokisa le ho lokisa lihamore se tlameha ho tlosoa ka nako kamora ho tjheseletsa ha lera ka leng. Haeba tjheseletsa e etsoa mariha, bakeng sa li-castings tsa tšepe tsa ZG15Cr1Mo1V, oksijene-acetylene e lokela ho futhumatsoa khafetsa bakeng sa lera le leng le le leng la ho tjheseletsa, ebe e lokisoa kapele ho qoba mapetso a ho tjheseletsa.

Phekolo ea 2.Electrode

Pele ho lokisa tjheseletsa, pele hlahloba hore na eleketrode e preheated. Ka kakaretso, eleketrode e lokela ho omisoa ho 150 ～ 250 ℃ bakeng sa 1h. Lere la preheated welding le lokela ho beoa ka hara sehlahisoa, e le hore se ka nkuoa hang ha se sebelisoa. Electrode e futhumatsoa makhetlo a 3 khafetsa. Haeba seaparo se ka holim'a eleketrode se eboloa, se petsohile ebile se rusitse, ha sea lokela ho sebelisoa.

Linako tsa 3.Repair welding

Bakeng sa li-castings tse jereng khatello, joalo ka matlo a li-valve a lekiloeng ka khatello ea metsi, karolo e ts'oanang hangata e lumelloa ho lokisoa hang, 'me ho lokisa tjheseletsa ho ke ke ha phetoa, hobane ho tjheseletsa makhetlo a mangata ho tla etsa lithollo tsa tšepe mahoashe le ama tshebetso khatello ea jereng la ho betsa, ntle le ha ho betsa e ka ba Re-mocheso kalafo mora tjheseletsa. Bakeng sa ho tjheseletsa tse ling tse sa sebetseng khatello ea karolo e le 'ngoe, hangata ho laeloa hore ho tjheseletsa ha o lokele ho feta makhetlo a 3. Bakeng sa li-castings tsa khabone tse nang le li-welds tse fetang tse peli tse lokisoang karolong e le 'ngoe, li lokela ho phekoloa ka khatello ea maikutlo kamora ho tjheseletsa.

4.Repair bophahamo lera tjheseletsa

Bophahamo ba tokiso ea tjheseletsa ea ho betsa ka kakaretso bo ka ba 2mm ho feta sefofane sa ho betla ho tsamaisa machining. Lera la ho tjheseletsa le tlase haholo, 'me leqeba la ho tjheseletsa le bonolo ho pepesoa kamora machining. Lera la ho lokisa le phahame haholo, le jang nako, le hlokang basebetsi ba bangata ebile le hloka thepa e ngata.

Ho tjheseletsa kamora ho lokisa

Ho tjheseletsa ha bohlokoa

Li-castings tse nang le ho dutla tekong ea haeteroliki, li-castings tse nang le sebaka sa ho tjheseletsa> 65cm2, le li-castings ka botebo> 20% ea botenya ba lebota kapa 25mm, li nkuoa e le litheko tsa bohlokoa tsa ho lokisa ho ASTMA217 / A217M-2007. Ho etsoa tlhahiso ea maemo a A217 bakeng sa ts'ehetso ena ea bohlokoa ea ho lokisa hore kalafo ea phokotso ea khatello ea maikutlo kapa kalafo e felletseng ea ho futhumatsa e lokela ho etsoa, ​​mme kalafo ena ea phokotso ea khatello ea maikutlo kapa kalafo e felletseng ea ho futhumatsa e tlameha ho etsoa ka mokhoa o amohetsoeng, ke hore, litlhoko tsa bohlokoa tsa ho lokisa litšepe e tla hlophisoa Mokhoa oa ho lokisa litšepe. ASTMA352 / A352M2006 e tiisa hore khatello ea maikutlo kapa kalafo ea mocheso oa kamora ho cheseletsa kamora ho cheseletsa hoa bohlokoa hoa hlokahala. indasteri ea naha ea heso JB / T5263-2005 e tsamaellanang le A217 / A217M e hlalosa ho tjheseletsa ha bohlokoa joalo ka "liphoso tse boima". Empa ha e le hantle, ntle le likheo tse ka futhumatsoang ka botlalo, liphoso tse ngata li fumaneha khafetsa, 'me ha li sa khona ho phekoloa mocheso ka botlalo. Ka hona, ts'ebetsong ea tlhahiso, hangata e rarolloa ke sebapali se nang le boiphihlelo se nang le setifikeiti sa ho tjheseletsa sejana hanghang.

Phomolo ea khatello ea maikutlo

Kamora ho lokisa liphoso tse fumanoeng kamora ho qeta ho tjheseletsa, kalafo e felletseng ea khatello ea khatello ea maikutlo e ke ke ea hlola e etsoa. Ka kakaretso, mokhoa oa ho futhumatsa le ho futhumatsa ha oksijene-acetylene lelakabe sebakeng sa sekoli se ka sebelisoa. Lelakabe le sa nke lehlakore la lebone le leholo la ho itšeha le thelleloa butle-butle koana le koana, 'me ho lahleloa ho futhumetse ho ba khubelu e bonahalang e lefifi (e ka bang 740 ℃) holimo, le ho boloka mocheso (2min / mm, empa e seng ka tlase ho 30min). Boto ea Asbestos e lokela ho koaheloa ka sekoli hang kamora kalafo ea liphallelo. Bakeng sa likoli tse bophara ba pente ea tšepe ea pearlitic, lipoleiti tsa asbestos li lokela ho tlatsoa kahare ea bophara ba eona ho e etsa e pholile butle ha e lokisa ho tjheseletsa. Ts'ebetso ea mofuta ona e bonolo ebile e baballa chelete, empa e hloka hore mochini o kopisang litšepe o be le boiphihlelo bo itseng bo sebetsang.

Lisebelisoa tsa tšepe tse sa hloekang hangata ha li alafshoe kamora ho lokisoa, empa ho tjheseletsa ho lokela ho etsoa sebakeng se nang le moea ho etsa hore sebaka sa ho tjheseletsa se lokise kapele. Ntle le haeba ts'ehetso ea tokiso e bonts'a hore e bakile phetoho mohahong oa austenite, kapa ke phoso e tebileng. Moo konteraka le maemo li lumellang, kalafo ea tharollo e lokela ho etsoa bocha. Li-castings tsa k'habone tsa tšepe le li-castle tse fapaneng tsa pearlite tse nang le libaka tse holofetseng haholo, tse boemong ba ho hloekisa 'me li kene mochining o thata empa li na le kabelo ea ho qetela, li lokela ho fuoa kalafo ea khatello ea maikutlo kamora ho lokisa tjheseletsa. Mocheso oa khatello ea khatello ea kelello oa tšepe ea khabone o ka beoa ho 600 ～ 650 ℃, mocheso o futhumatsang oa ZG15Cr1Mo1V le ZGCr5Mo o ka hlophisoa ho 700 ～ 740 ℃, 'me mocheso oa tempele oa ZG35CrMo o ka beoa ho 500 ～ 550 ℃. Bakeng sa li-castings tsohle tsa tšepe, nako ea ho kokobetsa khatello ea maikutlo ha e tlase ho 120min, 'me e pholile ho ea tlase ho 100 ° C le sebopi.

Teko ea 3.Non-senya

Bakeng sa "likoli tse boima" le "bohlokoa ba ho tjheseletsa" tsa "valve castings", ASTMA217A217M-2007 standard e tiisa hore haeba tlhahiso ea castings e fihlela litlhoko tsa S4 (magnetic particle tlhahlobo) tlatsetso ea litlhoko, ho lokisa welding ho lokela ho hlahlojoa ke tlhahlobo ea matla a khoheli ea maemo a tšoanang a boleng ba ho hlahloba castings. . Haeba tlhahiso ea castings e fihlella litlhokahalo tsa S5 (tlhahlobo ea radiographic) litlhokahalo tsa tlatsetso, bakeng sa li-castings tse dutlang tekong ea hydraulic, kapa likoti tse lokelang ho lokisoa, botebo ba tsona bo feta 20% ea botenya ba lerako kapa 1in1 (25mm) ) mme castings e lokiselitsoe ho lokisa tjheseletsa. Ts'ebetso efe kapa efe ea tokiso ea litšepe e nang le mokoti o moholo ho feta 10in2 (65cm2) e lokela ho hlahlojoa ka tlhahlobo e ts'oanang ea radiographic joalo ka ho lahla. Tekanyetso ea JB / T5263-2005 e tiisa hore liteko tsa radiographic kapa tsa ultrasonic li lokela ho etsoa kamora hore liphoso tse boima li lokisoe. Ka mantsoe a mang, bakeng sa litšitiso tse boima le ts'ehetso ea bohlokoa ea tokiso, tlhahlobo e sebetsang e sa senyeheng e tlameha ho etsoa, ​​'me e ka sebelisoa kamora ho tšoaneleha.

Ka kopo boloka mohloli le aterese ea sengoloa sena hore se hatisoe hape:Lokisa mekhoa ea ho tjheseletsa le boiphihlelo ba liphoso tse 'maloa tse tloaelehileng tsa ho lahla tšepe

Minghe Khamphani ea Die Casting li inehetse ho etsa le ho fana ka boleng bo phahameng le likarolo tse phahameng tsa ho lahla likarolo Thining-Wall Die Casting,Hot Chamber Die lahla,Cold Chamber shoa lahla), Tšebeletso e chitja (Die Casting Service,Cnc Machining,Ho Etsa Mofuta, Bokaholimo Phekolo) .Na tloaelo efe kapa efe ea Aluminium die die cast, magnesium kapa Zamak / zinc die casting le litlhoko tse ling tsa castings lia amoheleha ho ikopanya le rona

Tlas'a taolo ea ISO9001 le TS 16949, lits'ebetso tsohle li etsoa ka mechini e makholo ea li-die casting, mechini e 5-axis le lits'ebeletso tse ling, ho tloha ho li-blasters ho isa mechini ea ho hlatsoa ea Ultra Sonic. sehlopha sa baenjiniere ba nang le boiphihlelo, lisebelisoa le bahlahlobi ho etsa moralo oa moreki o phethahala.

Moetsi oa konteraka oa li-cast cast. Bokhoni bo kenyelletsa likarolo tse batang tsa aluminium die die likarolo tsa 0.15 lbs. ho isa ho li-6 lbs., Ho theha phetoho e potlakileng, le machining. Litšebeletso tse kenyellelitsoeng boleng li kenyelletsa ho bentsa, ho thothomela, ho qhekella, ho phatloha ha lithunya, ho penta, ho roala, ho roala, kopano le lisebelisoa. Lisebelisoa tse sebelisitsoeng le tsona li kenyelletsa lits'epe tse kopantsoeng tse kang 360, 380, 383 le 413.

Zinc e shoa ho lahla thuso ea moralo / lits'ebeletso tsa boenjineri tse tšoanang. Moetsi oa moetlo oa li-castings tsa zinc tse nepahetseng. Li-castings tse nyane, li-castings tse phahameng tsa khatello, li-cast cast tsa hlobo, li-castings tse tloaelehileng tsa hlobo, li-unit tsa die le li-cast cast tse ikemetseng le li-cast cast tse tiisitsoeng li ka etsoa. Li-castings li ka etsoa ka bolelele le bophara ho fihlela 24 ho. Ho +/- 0.0005 ho. Mamello.  

ISO 9001: Moetsi ea netefalitsoeng oa 2015 oa magnesium ea die die, Bokhoni bo kenyelletsa khatello e phahameng ea khatello ea magnesium die cast to 200 ton room & 3000 kamoreng e batang, moralo oa lithulusi, polishing, molding, machining, powder & liquid paint, QA e felletseng e nang le bokhoni ba CMM , kopano, ho paka le ho tsamaisa.

ITAF16949 e netefalitsoe. Ts'ebeletso e 'ngoe ea ho lahla e kenyeletsa ho lahla lichelete,ho lahla lehlabathe,Matla a khoheli, Lahlehileng bubble lahla,Ho ts'oaroa ha Centrifugal,lephaka lahla,Sa Feleng hlobo lahlaBokhoni bo kenyelletsa EDI, thuso ea boenjiniere, ho etsa mohlala o tiileng le ho sebetsoa ka bobeli.

Lahla Liindasteri Liphuputso tsa likarolo tsa likarolo tsa: Likoloi, libaesekele, lifofane, liletsa tsa 'mino, sesepa sa metsi, lisebelisoa tsa Optical, li-sensor, mehlala, lisebelisoa tsa elektroniki, masaka, lioache, mechini, lienjine, thepa ea ka tlung, mabenyane, mabenyane, telecom, mabone, lisebelisoa tsa bongaka, lisebelisoa tsa litšoantšo, Liroboto, Litšoantšo tse betliloeng, Lisebelisoa tsa molumo, Lisebelisoa tsa lipapali, Lithulusi, Lipapali le tse ling. 

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By Moetsi oa Minghe Die Casting | Categories: Lingoloa tse thusang |lintho tse bonahalang Tags: Aluminium lahla, Ho lahla zinki, Ho lahla Magnesium, Lahleloa thaethaniamo, Ho lahla tšepe, Brass lahla,Ho lahleloa ka Bronze,Ho lahla Video,Histori ea Khamphani,Aluminium Die Casting | Litlhaloso Off