LIKOPO:
E loketse bakeng sa ho tjheseletsa ha likotoana tse tšesaane tsa tšepe e entsoeng ka tšepe le libaka tsa machining, tse kang lihlooho tsa silinda, li-block tsa enjene tsa tšepe tse bohlooho, mabokose a gear, le Machine Tool le haufinyane.
LITŠOANTŠISO:
TQZ308ke motheo o hloekileng oa nickel, phokotso e matla ea molamu oa tšepe oa mofuta oa graphite.E ka sebelisoa molemong oa AC le DC mme e bonolo ho e sebetsa.Ha ho chesoa, ha ho hlokahale hore weldment e chese pele.E na le khanyetso e ntle ea crack le ts'ebetso ea ts'ebetso.
TLHOKOMELISO:
1. Pele ho tjheseletsa, li-electrode li lokela ho behoa hora e le 'ngoe ka mocheso oa 150±10℃ pele li sebelisoa.
2 E ka felisa khatello ea maikutlo ea ho cheselletsa 'me ea qoba ho phatloha ka ho otla seam sa welding.
3. E le ho fokotsa likarolo tse sa hloekang ka botlaaseng tšepe kenella ka hare tjheseletsa, moqotetsane tšoeu sehlopha bophara, ho ntlafatsa mapetsong ho hanyetsa le thepa sebetsa, e lokela ho sebelisa tse nyenyane hona joale tjheseletsa ka tjheseletsa a lahla tšepe batang.
Sebopeho sa lik'hemik'hale tsa tšepe e behiloeng (karolo e boima):%
Lintlha | C | Si | Mn | S | Fe | Ni | Boima ba lintho tse ling |
Boleng bo tloaelehileng | ≤2.0 | ≤2.5 | ≤1.0 | ≤0.03 | ≤8.0 | ≥90 | ≤1.0 |
Hona joale ho buuoa ka Welding: (AC, DC+)
Bophara ba electrode(mm) | 2.5 | 3.2 | 4.0 |
Hona joale welding(A) | 60-90 | 90-110 | 120-150 |
Tokiso ea ho sotha welding:
Bakeng sa tokiso ea deformation maemong a chesang, khalemelo ea mochini le hammering e thibetsoe ka thata mofuteng oa mocheso o moputsoa o moputsoa (300 ℃ ~ 500 ℃) ho qoba mapetsong a brittle.
Ela hloko litlhoko tse latelang ha lelakabe le hotetsoa sebakeng sa heno
Ha ho bohlale ho pheta ho futhumatsa ka karolo e le 'ngoe ho qoba liphetoho mohahong oa metallographic le thepa ea mechine ea tšepe.
U se ke ua etsa hore ho be le litokiso tse pheta-phetoang tsa tsitsipano le khatello karolong e le 'ngoe.
Bakeng sa likarolo tse thata tsa welded, ho nosetsa le ho pholisa ka potlako ho thibetsoe ka thata.
Likarolo tsa ho cheseletsa tse hlokang ho hloekisoa li lokela ho lokisoa pele li kolobisoa ho felisa khatello ea maikutlo nakong ea ho kolobisoa.Nakong ea annealing, likarolo tse cheselitsoeng li tlameha ho behoa ka mokhoa o tsitsitseng e le hore li se ke tsa senyeha hape.
Mocheso o futhumatsang oa lelakabe o ka ba 700 ℃ ~ 850 ℃ (fuchsia), 'me ha oa lokela ho feta 900 ℃ (e khubelu e khanyang) bakeng sa tšepe e tlaase ea alloy.
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E fetileng: Stainless Steel Welding Electrode AWS E316L-16(A022) E 'ngoe: Z408 Nickel e Hloekileng E Lahlela Electrode ea Tšepe AWS ENiFe-CI