Ngwa:
A na-eji ya maka ịgbado ọkụ nke otu ụdị igwe anaghị agba nchara na-ekpo ọkụ na-arụ ọrụ n'okpuru ọnọdụ okpomọkụ dị elu, nakwa maka ịgbado ígwè chrome siri ike (dị ka Cr5Mo, Cr9Mo, Cr13, Cr28 na wdg) na ígwè ndị yiri ya.
ÀJÀ:
E310-16bụ Cr26Ni21 igwe anaghị agba nchara maka akụrụngwa nrụgide anụ ahụ rutile.Ma AC na DC nwere ike iji maka niile ọnọdụ ịgbado ọkụ.Nke a electrode nwere ezigbo ịgbado ọkụ usoro arụmọrụ, na edebe metal nwere magburu onwe ọxịdashọn-eguzogide n'okpuru 900-1100 ℃ elu okpomọkụ ọnọdụ.
IHE:
1. Tupu ịgbado ọkụ, a ga-esi na electrode na 300-350 ℃ maka 1 hour ma jiri ya mee ihe dị mkpa.
2. Wepu nchara, griiz, mmiri na adịghị ọcha ndị ọzọ tupu ịgbado ọkụ.
3. A na-atụ aro inye ike DC, n'ihi na omimi nke ịgbado ọkụ dị ugbu a dị ntakịrị, nke ugbu a ekwesịghị ịdị oke ibu, ka ọ ghara ịcha ọbara ọbara na akpụkpọ anụ.
4. Belata ntinye ọkụ dị ka o kwere mee, na njupụta nke electrode ekwesịghị ịdị ukwuu.
5. Kpoo ọkụ ma debe okpomọkụ n'etiti ọwa n'okpuru 150 ℃.
Ọkwa ịgbado ọkụ:
PA, PB, PC, PD, PE, PF
Ngwakọta kemịkal nke ọla ịgbado ọkụ niile: (Wt. %)
Ihe | C | Mn | Si | S | P | Ni | Cr | Mo | Cu |
Ihe achọrọ | 0.08-0.20 | 25.0-28.0 | ≤0.75 | ≤0.03 | ≤0.03 | 20.0-22.5 | 25.0-28.0 | ≤0.75 | ≤0.75 |
Nsonaazụ a na-ahụkarị | 0.11 | 0.89 | 0.69 | 0.010 | 0.025 | 20.86 | 26.21 | 0.05 | 0.08 |
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Ihe | Rm/MPa | A/% |
Ihe achọrọ | ≥550 | ≥25 |
Nsonaazụ a na-ahụkarị | 605 | 38 |
Usoro eji arụ ọrụ: (AC ma ọ bụ DC+)
Dayameta (mm) | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
Ugbu a (A) | 25-50 | 50-80 | 80-110 | 110-160 | 160-200 |
Nkwakọ ngwaahịa:
5kg / igbe, 4 igbe / katọn, 20kgs / katọn, 50katọn / pallet.21MT -26MT kwa 1X20″ FCL.
Nleba anya nke welds:
Maka welds nke nrụgide ọrụ na-erughị 0.3MPa, enwere ike iji kerosene mee ule akara.A ga-eme ule ahụ dịka usoro ndị a si dị: 5.1.1.1 Okpomọkụ n'oge ule agaghị adị ala karịa 5 Celsius.
Yiri ntụ ntụ ọcha na mpụga mpempe ule ahụ, ma yie kerosene zuru oke n'ime.Na mkpokọta, mgbe nkeji 15 ruo 30 gachara, ọ bụrụ na enweghị ntụpọ ojii n'elu ntụ ntụ ọcha, a na-ewere weld ahụ enweghị ntụpọ.N'ụzọ megidere nke ahụ, ọ dị mkpa iji wepụ ebe ntụpọ na re-seldering, wee mee ule.
Mgbe ị na-eji nrụgide hydraulic iji nwalee ike nke akpa ahụ, a ga-eme ya dịka iwu ndị a si dị:
Nrụgide ule kwesịrị ibili nwayọọ nwayọọ na-erughị 1.5 ugboro nrụgide ọrụ.
Mgbe weldment rutere n'ule ule, a ghaghị ịnọgide na-enwe nrụgide maka nkeji 5.Ọ bụrụ na achọpụtara ntapu ma ọ bụ iru mmiri n'elu weld, akụkụ ahụ nwere ntụpọ ga-enwerịrị akara, wepụ ya, gbadogharịa ọzọ, wee nwalee ya.
N'oge ule nrụgide nke workpiece, ọ dịghị ekwe ka rụkwaa weld;na mgbe workpiece bụ n'okpuru ule nrụgide, ọ na-adịghị ekwe ka tie weld.
Nnwale ịrụ ọrụ igwe nke welds:
A ga-ewepụta ihe nlele ule site na ihe nlele ahụ nwere otu ihe na usoro usoro nke akụkụ welded.
Ụdị na nha nke ule arụmọrụ kwesịrị ịgbaso ụkpụrụ dị mkpa nke GB/T 2649 ~ 2653.
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Nke gara aga: Igwe anaghị agba nchara Electrode AWS E309L-16 (A062) Osote: Igwe anaghị agba nchara Electrode AWS E312-16