45 # Peipi ea tšepe e se nang Mokotla
Tlhaloso e Khutšoanyane:
Tlhaloso ea tlhahiso:
Ka ntle bophara ba tšepe phala 20-426
Botenya ba phala ea tšepe ea lerako la 20-426
Selelekela sa sehlahisoa:
Thepa e tala ea rolling seamless tube ke round tube billet, round tube embryo e khaoloa ebe e sebetsoa ka mochini o sehang o nang le kholo e ka bang 1 mitha e se nang letho, ebe o romeloa seboping ka ho futhumatsa lebanta la conveyor.Billet e tšeloa ka seboping ebe e futhumatsoa ho likhato tse ka bang 1200 tsa Celsius.Mafura ke hydrogen kapa acetylene.Taolo ea mocheso ka sebōping ke bothata bo ka sehloohong.Ka mor'a hore "round tube billet" e tsoe, e phunyeletsoa ke punch ea khatello.Ka kakaretso, perforator e tloaelehileng haholo ke conical roll perforator.Mofuta ona oa perforator o na le ts'ebetso e phahameng ea tlhahiso, boleng bo botle ba sehlahisoa, bophara bo boholo ba perforating mme o ka apara mefuta e fapaneng ea tšepe.Ka mor'a ho phunyeha, "tube" e pota-potileng e pota-potiloe ka ho latellana ka diagonal tse tharo tse phahameng, tse tsoelang pele kapa extrusion.Ka mor'a extrusion, phala e lokela ho tlosoa bakeng sa boholo.Caliper e potoloha ka har'a lesea le emolisitsoeng ka tšepe ka ho phunya conical ka lebelo le phahameng ho phunya masoba le ho etsa lipeipi tsa tšepe.Bophahamo bo ka hare ba phala ea tšepe bo khethoa ke bolelele ba bophara ba ka ntle ba sekhahla sa ho phunya caliper.Ka mor'a ho lekanya phala ea tšepe, e kena ka tora e pholileng 'me e pholile ka ho fafatsa metsi.Ka mor'a ho pholile phala ea tšepe, e tla otloloha.Ka mor'a ho otloloha, phala ea tšepe e romelloa ka lebanta la conveyor mochine oa ho hlahloba tšepe (kapa tlhahlobo ea hydraulic) bakeng sa tlhahlobo ea ka hare.Haeba ho na le mapetsong, li-bubble le mathata a mang ka har'a pipe ea tšepe, e tla fumanoa.Tlhahlobo ea boleng ba phala ea tšepe ka mor'a khetho e tiileng ea matsoho.Ka mor'a hore phala ea tšepe e hlahlojoe, palo, tlhaloso le palo ea lotho ea tlhahiso li fafatsoa ka pente.Le ka crane ho kena ntlong ea polokelo.