Tšebeliso ea lisebelisoa tsa ho cheselletsa le li-gaskets bakeng sa tlhokomelo ea li-valve
Welding e sebelisoa haholo-holo bakeng sa ho koahela bokaholimo ba li-valve, ho lokisa tjheseletsa ea liphoso tsa ho lahla le ho cheselletsa sebopeho sa sehlahisoa. Khetho ea lisebelisoa tsa welding e amana le mokhoa oa ts'ebetso, welding ea arc manual, welding ea plasma spray, welding othomathike ea arc, khase ea carbon dioxide e sirelelitsoeng, lisebelisoa tse sebelisoang li fapane. Mona re kenyelletsa feela mokhoa o sebelisoang haholo oa ho tjheseletsa - welding arc manual e sebelisoang linthong tse fapaneng. Lisebelisoa tsa ho tiisa holim'a holim'a metsi li kentsoe karolong ea bobeli ea thepa e ka hare, khaolo ena e tsepamisitse maikutlo holim'a tjheseletsa ea ho lokisa ho lahla, ho kenya letsoho ka letsoho bakeng sa tjheseletsa ea sebopeho sa li-electrode tse fapaneng.
Lintho tse chesehang
Welding e sebelisoa haholo-holo bakeng sa ho koahela bokaholimo ba li-valve, ho lokisa tjheseletsa ea liphoso tsa ho lahla le ho cheselletsa sebopeho sa sehlahisoa. Khetho ea lisebelisoa tsa welding e amana le mokhoa oa ts'ebetso, welding ea arc manual, welding ea plasma spray, welding othomathike ea arc, khase ea carbon dioxide e sirelelitsoeng, lisebelisoa tse sebelisoang li fapane. Mona re kenyelletsa feela mokhoa o sebelisoang haholo oa ho tjheseletsa - welding arc manual e sebelisoang linthong tse fapaneng. Lisebelisoa tsa ho tiisa holim'a holim'a metsi li kentsoe karolong ea bobeli ea thepa e ka hare, khaolo ena e tsepamisitse maikutlo holim'a tjheseletsa ea ho lokisa ho lahla, ho kenya letsoho ka letsoho bakeng sa tjheseletsa ea sebopeho sa li-electrode tse fapaneng.
1 Litlhoko tsa li-welders
Li-welders li tla fetisa tsebo ea mantlha le tlhahlobo ea ts'ebetso ea Melao ea Tlhahlobo ea Boiler le Pressure Vessel Welder e hlophisitsoeng ke Lekala la Basebetsi le Basebetsi la People's Republic of China, 'me ba be le setifikeiti sa thuto pele ba etsa ts'ebetso ea ho cheselletsa ka har'a nako e nepahetseng.
Valve ke ea sekepe sa khatello, boemo ba botekgeniki ba welder le ts'ebetso ea welding e ama ka kotloloho boleng ba sehlahisoa le tlhahiso ea polokeho, ka hona ho bohlokoa haholo ho latela litlhoko tse thata bakeng sa li-welders, welding ke mokhoa o ikhethileng likhoebong tsa tlhahiso ea li-valve, ts'ebetso e khethehileng e tlameha ho ba le mekhoa e khethehileng, ho kenyelletsa le basebetsi. , lisebelisoa, tsamaiso ea thepa le taolo.
2 Litlhoko tsa polokelo bakeng sa lithupa tsa welding
(1) Ela hloko mongobo oa tikoloho ho thibela electrode ho tloha mongobo, mongobo o lekanyelitsoeng moeeng o ka tlaase ho 60%, 'me u tlohe fatše le lerako sebaka se itseng (hoo e ka bang 30cm).
(2) ho khetholla mofuta oa electrode, litlhaloso li ke ke tsa ferekanngoa.
(3) Ts'ebetso ea lipalangoang e lokela ho ba hlokolosi hore e se ke ea senya letlalo la lithethefatsi, haholo-holo bakeng sa electrode ea tšepe e sa hloekang, li-electrode tsa tšepe, joalo-joalo.
Molamu oa welding o atisang ho sebelisoa bakeng sa ho tjheseletsa ho lokisa le ho tjheseletsa ka sebopeho sa lihlahisoa tsa li-valve
Sheba Lethathamo la 1-3-1 bakeng sa limaraka tsa li-welding rod tse atisang ho sebelisoa ha ho tjhesetsoa ho lokisa le ho tjheseletsa ka sebopeho sa lihlahisoa tsa li-valve.
Lethathamo la 1-3-1 Limaraka tse tloaelehileng tsa lithupa tsa welding
sehlopha
letšoao
mohlala
AWS
maemo
Molamu oa ho cheselletsa tšepe ea carbon
J422
J502
E4303
E5003
GB/T 5117
J507
*CHE508-1
E5015
E5018-1
E7015
E7018-1
Elektrode ea tšepe e sa hloekang
R507
A102
A132
A002
A202
A212
A022
A302
A402
Chromium 202
E1-5MoV-15
E0-19-10-16
E0-19-10Nb-16
E00-19-10-16
E0-18-12Mo2-16
E0-18-12MoNb-16
E00-18-12Mo2-16
E1-23-13-16
E2-26-21-16
E1-13-16
E502-15
E308-16
E347-16
E308L-16
E316-16
E318-16
E316L-16
E309-16
E310-16
E410-16
GB/T 983
Tsoela pele. 1-3-1 Limaraka tse tloaelehileng tsa molamu oa welding
Elektrode ea tšepe e sa keneleng mocheso o tlase
R337
E5515-B2-VNb
R107
R307
R407
E5015-A1
E5515-B2
E6015-B3
E7015-A1
E8015-B2
E9015-B3
GB/T 5118
Elektrode ea tšepe e tlase e tlamahaneng
707 lichaba
E5515-C1
GB/T 5118
907 batho
E5515-C2
E8015-C2
107 lichaba
E7015-G
Monel electrode
R-M3NiCu7
ERNiCu-7
Mohala oa tšepe e sa hloekang
H0Cr20Ni10Ti
H0Cr21Ni10
H0Cr19Ni12Mo2
H00Cr21Ni10
H00Cr19Ni12Mo2
GB/T 4241
* CHE 508-1 e lekana le brand ea Chinese electrode fektheri ea GB E5018-1.
1, 2, 3, 4, 1, tlhokomelo ea nako e telele ea li-valve e bolokiloeng, ho hlahlojoa kamehla ho lokela ho etsoa, hobane ho lutla ha sebaka sa ho sebetsa ho lokela ho hloeka, * * * litšila, polokelo le ho fela ha valve ea bolo e lokela ho koaloa sebaka se bulehileng, valve ea heke, valve ea globe, valve ea ho hlahloba, lipheletsong tsa mocha li lokela ho koaloa le ho koaloa, li bolokoe ka makhethe sebakeng se omeletseng sa ka tlung le se nang le moea o omileng, Ho pata kapa ho boloka polokelo e bulehileng ho thibetsoe ka thata.
2, pele ho kenngoa, hoa hlokahala ho hlahloba ka hloko khatello ea letšoao la valve, ebang bophara bo finyella litlhoko, ho felisa mefokolo e bakoang ke mokhoa oa lipalangoang, le ho felisa litšila tsa likarolo tsa valve.
3. Ha u kenya, valve e ka kenngoa ka ho toba ka pipeline ho ea ka mokhoa oa ho hokahanya. Ka kakaretso, e ka kenngoa sebakeng leha e le sefe sa pipeline, empa e hloka ho ba bonolo ho sebetsa le ho lokisoa. Hlokomela hore tataiso ea phallo ea li-valve tsa lefats'e e lokela ho ba holimo ho tloha tlase ho disc e otlolohileng, 'me valve ea ho phahamisa e ka kenngoa ka holimo feela.
4, valve ea bolo, valve ea globe, valve ea heke, e bulehile ka botlalo kapa e koetsoe ka botlalo, e sa lumelloe ho fetola phallo, e le ho qoba khoholeho ea mobu, ho potlakisa ho roala. Ho na le sesebelisoa sa ho tiisa se kentsoeng ka har'a belofo ea heke le valve ea globe ea khoele e ka holimo, 'me lebili la letsoho le tiisitsoe sebakeng se ka holimo sa ** ho thibela mecha ea litaba hore e se ke ea tsoa ho tloha ho paka.
5, valve ea bolo, valve ea globe, valve ea heke e butsoe 'me e koale ts'ebeliso ea letsoho, u se ke ua sebelisa li-levers kapa lisebelisoa tse ling, e le hore u se ke ua senya valve. Haeba lebili la letsoho le potoloha ho ea ka nako, lea koaloa, ho seng joalo, le bulehile.
6, liboutu tsa litšoelesa tsa ho paka li lokela ho tiisoa ka ho lekana, ha lia lokela ho hatelloa sebakeng se khopameng, e le hore li se ke tsa kena-kenana le motsamao oa stem kapa ho baka ho lutla.
7, valve ha e ntse e sebelisoa, e lokela ho lula e hloekile, khoele ea koloi e lokela ho tlotsoa kamehla, e fumanoe phoso, e lokela ho khaotsa hang-hang ho sebelisa, ho fumana sesosa sa ho hlōleha.
Nako ea poso: Jul-13-2022
