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Te whakatau i te tikanga whakawera SMC pokepokea ai

2020-06-23
Ko te pāmahana o te pokepoke ka pa tika ki te kounga o te hanga me te pai o te whakaputa o te hua, na reira me taapiri he punaha whakamahana ki te miihini kia tutuki ai te whakaritenga pāmahana pai.
Ka wehewehea te punaha whakamahana ki te whakamahana hiko, te whakamahana mamaoa me te whakamahana hinu. Ko te whakamahana hiko te tikanga whakamahana e tino whakamahia ana. Ko ona painga he taputapu ngawari me te taapiri, he iti te haumi, he ngawari te whakaurunga, te tiaki me te whakamahi, ngawari te whakarereke i te pāmahana me te ngawari te whakahaere aunoa; te whakamahana mamaoa, te whakawera tere, te ahua riterite te pāmahana, engari he uaua ki te whakahaere, te utu He nui te whakawera hiko; te whakawera hinu, he rite te pāmahana me te pumau, he tere te whakamahana, engari ka poke te taiao mahi.
Ko te tikanga whakamahana e whakamahia ana mo te maaka hou ka taea te whakatau i runga i nga ahuatanga o ia kamupene, te rahi o te maaka, me te uaua o te kohanga o te kohanga.
A, no te kōwhiri i te rauemi pokepokea ai, kia tīpakohia rite ki rerekē puranga production, tikanga tukanga me ahanoa tukatuka. Ko te maaka SMC me whiriwhiri i nga rauemi e ngawari ana ki te tapahi, he hanganga mato, he pai te mahi oro. Ko nga mea e whai ake nei ko nga tira whakarewa e whakamahia ana i te wa e hanga ana e te kamupene nga miihini:
P20(3Cr2Mo): whakamahia nuitia i roto i te werohanga pokepokea ai, pai te kounga maitai;
738: Te rino whakarewa werohanga, te maitai o te maaka kirihou kua whakapakeke-mua, e tika ana mo te hangai kirihou roa, te oro pai, te pakeke rite;
718(3Cr2NiMo): Te maitai o mua i whakapakekehia, ka whakamahia mo te wa-roa mo te hanga i nga miihini werohanga, me te pai ake o te whakakorikori me te pai o te mahi, me te pai ake o te kounga atu i te P20;
40Cr: te whakakotahi i te tiini me te rino whakamahana, he pai mo te hanga i te tauira o runga me raro, he pai ake te pakeke me te mahi whakakoi i te maitai 50C;
50C: Te maitai e whakamahia nuitia ana i roto i nga miihini, e tika ana mo te hanga i nga papa whakarewa werohanga, nga papa miihini taputapu me nga waahanga;
45# maitai: He iti te pakeke o te maitai pokepokea ai te nuinga o te wa, he kore e mau, he pai te kirihou me te uaua, na reira he pai te mahi tukatuka me te utu iti. Inaianei kei te whakamahia te maitai 45# ki te tukatuka i nga waahanga e manawapa ana penei i nga papa me nga papa pehi.
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