Ko te aho maitai maitai pai rawa atu i hangaia i mua i te miihini raima
Ko te aho maitai kua whakamātauhia he taura maitai kua whakamātauhia, he mea hanga mai i ngā waea maitai kaha-teitei e 2, 3, 7, 19 rānei, kua oti te maimoatanga whakaiti ahotea (maimoatanga whakapūmau), e tika ana mō te raima kua whakamātauhia, me ngā kaupapa rite rānei.
Ko ngā āhuatanga matua o ngā miro maitai kua whakamātauhia i mua i te wā he kaha teitei, he pai te mahi whakangā, ā, he tika tonu ina hurahia. Ko te kaha kume noa ko te 1860 MPa, ā, he maha ngā kaha pēnei i te 1720, 1770, 1960, 2000, me te 2100 MPa. He tino teitei hoki te kaha tuku o tēnei maitai.
Ka tōia te tokotoko waea maitai waro-nui ki roto i te waea maitai i muri i te maimoatanga o te mata, kātahi ka mirohia he maha o ngā waea maitai hei miro kia rite ki te hanganga o te miro maitai, kātahi ka hangaia mā te tukanga whakaū i te ahotea. Hei whakaroa i te roa o te mau, ka taea te whakakikorua, te paninga rānei o te waea maitai ki te konganuku, ki te kore-konganuku rānei, pērā i te whakapūmau, te paninga epoxy, me ētahi atu. Hei whakanui ake i te kaha o te hononga ki te raima, tera pea he kohao kei te mata, me ētahi atu. Ka pāngia te miro maitai kua whakapūmautia e te tukanga pēhi pokepoke i muri i te whakapūmau, ka matotoru ake te hanganga, ā, he pai ake te paparanga mata mō te punga. Hei hanga i ngā miro maitai kore here (ngā miro maitai kore here) whakamahia ngā miro maitai kua whakapūmautia noa, kua pania ki te hinu ārai-waikura, ki te ware piranī rānei, kātahi ka takaihia ki te polyethylene kiato-nui (HDPE).
Ngā āhuatanga miihini
| Dn/mm | Te kaha o te kume Rm/MPa | Te kaha mōrahi o te aho maitai katoa Fm/KN | Te kaha toronga kore-ōrite kua tohua FP0.2/KN | Te toronga katoa o te kaha mōrahi (R0≥500 mm)Agt/% | Te mahi whakangāwari i te ahotea | Paerewa Whakahaere | |
| Ko te kawenga tīmatanga he ōrite ki te ōrau mōrahi o te tau/% | Te tere whakangā o te ahotea i muri i te 1000 hāora/% | ||||||
| 15.2 | ≥1860 | ≥260 | ≥234 | ≥3.5 | 70 | ≤2.5 | GB/T5224-2014 |
| 80 | ≤4.5 | ||||||
| 15.24 | ≥1860 | ≥260.7 | ≥234.6 | ≥3.5 | 70 | ≤2.5 | ASTMA416-2003 |
Rahi me te rerekētanga
| Dn/mm | Te rerekētanga whakaaetia o te diameter/mm | Te horahanga whakawhiti-wāhanga tohutoro sn/mm2 |
| 15.20 | +0.40 -0.20 | 140 |
| 15.24 | +0.65 -0.15 | 140 |
Whakaaturanga Taipitopito












