Large Diameter LSAW botenya ba lebota la phala e nang le thepa ea eona e kholo, e ntle, botsitso ba ts'ebetso, e fetoha khetho ea pele bakeng sa morero o moholo oa oli ea lehae le kantle ho naha le peipi ea khase. Ka seam e kholo-o otlolohileng ka tlas'a metsi arc welded phala phala tjheseletsa manonyeletso, weld le mocheso ameha libaka ke ka etsahala hore ebe ho hlahisa mefuta e fapaneng ya mefokolo the welded undercut, porosity, slag, khaello ea fusion, khaello ea ho kena, weld, chesa mapetsong tjheseletsa ke mofuta o ka sehloohong oa likoli tjheseletsa, 'me hangata ke tšimoloho ea joalo otlolohile seam qoelisoa arc welded phala boleng likotsi.
Mekhoa ea ho laola boleng: 1, pele ho tjheseletsa taolo ea boleng 1) Pele, etsa boleng bo botle ba thepa e tala, ka mor'a ho feta tlhahlobo pele e kenngoa ka molao setšeng sa kaho, 'me e ikemiselitse ho felisa tšebeliso ea tšepe e sa tloaelehang 2) e lateloa ke. tsamaiso ea thepa ea ho tjheseletsa. Lekola hore na lisebelisoa tsa welding bakeng sa lihlahisoa tse tšoanelehang, polokelo le sistimi ea ho baka hore na li ka etsoa, ​​​​hore na ho fana ka sebaka sa weld se hloekile ebile ha se na mafome, ho roala ha electrode ho sa tsitsa, ho na le hlobo kapa ntle le eona. 3) Hape, tsamaiso e hloekileng ea weld zone. Ho hloekisa QA weld zone, ntle le metsi, oli, mafome le litšila oxide filimi, e leng ho thibela ka ntle weld mefokolo hlahisa karolo ea bohlokoa. 4) Khetha mokhoa o nepahetseng oa tjheseletsa o lokela ho kengoa ts'ebetsong ea pele ea tlhahlobo ea welding, ka mor'a melao-motheo ea welding. 2, taolo ea boleng ba tjheseletsa 1) ho latela lintlha tsa ts'ebetso ea welding terata le tlhahlobo ea flux e nepahetse, ho thibela tšebeliso e mpe ea terata ea welding le flux e bakiloeng ke boleng ba kotsi. 2) ho hlokomela tikoloho tjheseletsa, nka mehato e loketseng ka mor'a hore tjheseletsa ha tikoloho tjheseletsa ha e ntle (mocheso o ka tlase ho 0 ℃, mongobo o lekanyelitsoeng ho feta 90%) e lokela ho ba. 3) pele ho lebeletsoe pele teko tjheseletsa groove litekanyo, ho akarelletsa le sebaka, lerootho bohale, le hore na angle le boema-kepe e fosahetseng kopana ditlhoko botekgeniki. 4) ts'ebetsong ea welding ea arc e ka tlas'a metsi ka hare le ka ntle ho motlakase o khethiloeng, motlakase oa welding, lebelo la ho tjheseletsa le likarolo tse ling li nepahetse. 5) tlhokomelo ea basebetsi ba ka tlas'a metsi arc tjheseletsa ka hare le ka ntle tjheseletsa tšepe phala molemo ka ho feletseng ho qetela poleiti arc bolelele , matlafatsa bokgoni ba tjheseletsa arc ha lipoleiti ka hare le ka ntle, e leng ho thusa ho ntlafatsa boleng ba tjheseletsa phala e fela. . 6) tlhokomelo ea basebetsi ba tjheseletsa slag tjheseletsa hore na ba qala ho hloekisoa, hore na u se u ka ho feletseng sebetswa joint groove ka hore na ho na le oli, mafome, slag, metsi, pente le litšila tse ling.