Taba ea pele, mapetsong a Welding le li-pores lia hlahisoa.
Mongobo o kentsoeng ke molamu oa tjheseletsa o fetoha khase tlas'a ts'ebetso ea mocheso oa arc oa welding, o senyang haedrojene, e leng se etsang hore ho thehoe mapetsong a tjheseletsa le pores.Sena ke 'nete haholo-holo bakeng sa li-electrode tsa alkaline.Molamu oa tjheseletsa o tiisitsoe ka mokotla oa polasetiki oa polyethylene ha o phuthetsoe, 'me o ke ke oa fana ka tiiso ea nako e telele ea bopaki ba mongobo.
Ea bobeli, li-index tse fapaneng tsa thepa ea mochini li tlase.
Tianqiao welding
Mokhoa o bonolo oa ho lekola boemo bo mongobo ba molamu oa welding setšeng:
(1) Sheba sephutheloana sa molamu oa welding.Haeba sephutheloana se senyehile, molamu oa welding o tlameha ho monya mongobo ka botebo.
(2) Kenya lithupa tse seng kae matsohong a hao 'me u li phutholle,' me lithupa li ile tsa lahleheloa ke molumo o monate oa tšepe ka mor'a ho monya mongobo.
(3) Nka molamu oa welding 'me u khumame hanyenyane ka likhato tse 10-15.Haeba ho na le molumo o hlakileng oa ho phunyeha ha o kobeha, ho bolela hore molamu oa welding o batla o omme.
(4) Nka molamu oa ho cheselletsa fatše 'me u shebe matla a oona a ho qhoma.Molamu o omileng o na le matla a betere a ho tlola le ho khutla holimo.
(5) Kopanya electrode ho potoloho ea welding le potoloho e khutšoanyane ka metsotsoana e seng mekae.Haeba mouoane oa metsi o hlaha holim'a seaparo, ke electrode e sa omeletseng.
(6) Nka lere la ho tjheseletsa bakeng sa ho tjheseletsa teko ka kotloloho.Haeba e le molamu o nang le mongobo o chesang, ho roala ho tla phatloha kapa ho oa ka li-blocks nakong ea ts'ebetso ea welding, ebe ho hlahisa mouoane o mongata oa metsi.
(7) Sheba bokaholimo ba ntlha ea tjheseletsa ho bona hore na ho na le mafome;u ka boela ua kokota holim'a seaparo 'me u hlahlobe ka ho toba hore na mokokotlo oa welding o rusitse.
(8) Sheba nakong ea ts'ebetso ea welding, ts'ebetso ea ts'ebetso ea electrode e mongobo e tla ba le liphetoho tse latelang:
● Ka boleng bo tšoanang ba hona joale, matla a ho foka a arc a ba kholoanyane 'me botebo ba ho kenella bo eketseha;
● Palo ea li-splashes e eketseha 'me likaroloana li ba kholoanyane;
● Bakeng sa li-electrode tsa acid, tšireletso ea slag e fokola, 'me sebopeho sa weld se fetoha se futsanehileng;
● Bakeng sa li-electrode tsa mofuta o tlaase oa hydrogen, ho na le likoti tse ngata tse nyenyane karolong e ka hare ea slag (lehlakoreng le amanang le weld).
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Nako ea poso: Jul-01-2021 