ERW phalalitlhoko tsa tekheniki
| Litlhoko tsa tekheniki | Bakeng sa lipalangoang tsa oli le khase | Bakeng sa ho tsamaisa mokelikeli o tlase oa khatello |
| Lintho tse bonahalang | Gr.b | Gr.b |
| Pipe bophara ba 'mele | D＜508mm, ± 0,75%;D≥508mm, ±0.75% | D≤168.3, ± 1.0%;168.3＜D≤508, ± 0,75%; |
| Botenya ba lebota | D＜508mm, + 15.0%,-12,5%;D≥508mm, +17.5%,-10% | ±12.5% |
| Ho kobeha | ≤0.2% | ≤0.2% |
| Ovality | D≥508mm,≤±1% | ≤±0.75% |
| Bevel | ≤1.59 limilimithara | ≤5 limilimithara |
| Teko ea Hydrostatic | 100% | 100% |
| Teko e sa senyeheng | 100% tlhahlobo ea weld e sa senyeheng | Ho fumana bofokoli ba Ultrasonic ke 100% |
ERW peipi weld contour sebopeho
Ho ea ka litekanyetso tsa API SPEC 5L, boholo ba semela sa tlhahiso ea malapeng nakong ea teko ea SAW pipe weld tensile, hangata e boloka matlafatso ea weld, teko e tobileng ea teko ho tloha tekong eo hangata e robehileng boemo ba li-welds.Lebaka le ka sehloohong le ka bakoa ke boteng ba ho matlafatsa weld.SAW phala, o ile a re ho feta phahameng kapa ho matlafatsa phahameng, ka sepheo sa ho eketsa botenya ba sebaka se cheselletsang, le ho ntlafatsa matla a sebopeho sa weld, matla a sebaka sa weld (matla a sebopeho ka kakaretso) ho feta matla a motheo. likarolo tsa tšepe.
Reference SAW phala tjheseletsa Ho matlafatsa karolo e molemo ka ERW phala tjheseletsa Weld ikemiseditse ho pepeta teteaneng, sebakeng se haufi le tjheseletsa ho theha botenya bo boholo ho feta botenya ba lintho tse bonahalang tse motheo, atolosetsa ho matlafatsa lera tjheseletsa tjheseletsa mocheso sebakeng seo, ka nako eo ka hare. tjheseletsa Burr sebopeho ka ho feletseng evenness, ho etsa wavy boreleli phetoho sebakeng ho ntlafatsa matla a sebopeho sa weld sebakeng pakeng tsa motheo tšepe le tšepe welds.Ho sa le joalo, kaha botenya ba li-welds tsa phala li na le mamello e kholoanyane, esita le ho se tsitse ha tsamaiso ka lebaka la glitch e ka hare, e leng se etsang hore ho be le tekanyo e itseng ea li-welds tsa scratch groove, e ke ke ea baka ho fokotseha ho hoholo ha matla.Ntle le moo, phetoho e boreleli ea weld le base metal, tlhahlobo ea ultrasonic ea weld ha e bake ho eketseha ha sekhahla se fosahetseng.
Hlakola li-welds tse ka hare tse boreleli haholo, li-weld le phetoho ea tšepe e boreleli haholo.Hangata botenya ba phala ea tšepe ea lebota ke 11.9mm, botenya ba li-welds tsa extrusion hangata bo tloha ho 25mm ho ea lehlakoreng le leng le le leng la weld ka 'ngoe, karolo ea weld ka mor'a ho tlosoa ha burr ho feta likarolo tse ling tsa botenya ba lisebelisoa tse ka bang 10%.Nyenyane botenya ba phala, pepeta teteaneng mefuta e fapaneng ka fokotswa, empa karolo ea tjheseletsa teteaneng likarolo tsa taolo kakaretso 10% ea botenya ba motheo oa lintho tse bonahalang.
Nako ea poso: Oct-29-2019