Ngongo Whakakoi Nui/Ngongo Porotaka/Ngongo Rino Waipēhi
Ngongo Whakahonoretia Ko te tikanga he ngongo maitai CDS (Cold drawn seamless) he ngongo maitai DOM (Drawn Over Mandrel) rānei, kua whakakoihia te diameter o roto, kua whakakoihia rānei me te whakakanapahia ki te roera, nō reira he tino tika ngā ine ID o ngā ngongo whakakoihia, ā, he maeneene te mata ID.
E whakamahia whānuitia ana ngā ngongo whakakoi hei hanga me te whakatika i ngā rango waipēhi me ngā rango hau. Nō reira, i roto i te maha o ngā mara, ka kiia te ngongo whakakoi he ngongo rango anō hoki.
Ko ngā ngongo whakakoi e rua ngā tukanga hanga matua e hangaia ana, arā, ko te tukanga whakakoi, ko te tukanga whakakoi me te whakakoi roera rānei. Ko te ngongo matua e whakamahia ana e mātou ko ngā ngongo "He pai ki te whakakoi" he mea hanga ki te matao. Ko te tukanga o te Paipa Whakakoi ka whakatauhia i runga i te rahi, te pokepokea e wātea ana me ngā hiahia o te kiritaki.
Ko tā mātou kamupene a Jinyo tētahi o ngā kaiwhakarato me ngā kaihanga ngongo waipēhi matua o Haina kei Wuxi, Jiangsu. Kei roto i tā mātou kamupene he rango waipēhi. Te Wheketere Ngongo Whakahonoretia me tētahi wheketere mō ngā toki whakakikoruatia ki te kōromo me ngā ngongo kua whakakikoruatia ki te kōromo.
He whānuitia ngā rahi o ngā rauemi SAE1020, ST52, SAE1045, 4140 me ngā maitai kore waikura e hangaia ana e tā mātou wheketere. Hei tētahi o ngā kaiwhakarato ngongo maitai kua whakakoihia ki te rango waipēhi matua, ka hangaia e tā mātou wheketere ngā ngongo kua whakakoihia mā te whakamahi i ngā Ngongo Rino Matao Kua Tāia ki te Whakakoihia (ngongo CDS) a tā mātou wheketere.
Hei whakaputa i ngā ine ID tino tika me te mata ID maeneene, ko te tukanga whakakoi ko te whakamahi i ngā kōhatu whakakanapa me te pepa whakakanapa hei tango i ngā rauemi iti. Haunga te tukanga whakakoi, ka whakamahia hoki e mātou te tukanga SRB (te whakakoi me te whakakoi roera) hei whakaputa i ngā ngongo whakakanapa.
Kua rite te ngongo whakakoi mō te rango waipēhi hei whakamahi mō te whakaputa, te whakatika rānei i ngā rango waipēhi, me te kore he tukatuka ID anō.