1. Te whakapūmau kaha. Ka taea e te hononga te hurihuri tetahi ki tetahi. Ehara i te hononga pakari.
Hei tauira: kutikuti, pliers.
2. He hononga pūmau. Kāore e taea te nekeneke o te hononga tetahi ki tetahi. He hononga pakari tēnei.
Hei tauira, ngā rūri koki, ngā papa ingoa i runga i ngā raka mowhiti e toru, me ngā whare piriti.
3. Hirihia te hononga whakapūmau. He pūmau te hononga whakapūmau, ā, kāore e turuturu te hau, te wai rānei. He hononga pakari tēnei.
E rua ngā momo o te whakapūmau: te whakapūmau makariri me te whakapūmau wera. He pai te piri o te whakapūmau wera, engari he āputa kei waenganui i te tokotoko whakapūmau me te kōhao whao, kāore e taea te whai wāhi ki te tuku kaha. I te whakapūmau makariri, ka pakaru te tokotoko whakapūmau, ka kī tonu i ngā kōhao whakapūmau, ā, kāore he āputa i waenganui i te tokotoko whakapūmau me te kōhao whakapūmau. Ko ngā whakapūmau maitai he nui ake i te 10mm te whānui ka whakamahanahia ki te 1000~1100 ℃ mō te whakapūmau wera, ā, ko te kaha hama mō ia wāhanga horahanga o te tokotoko whakapūmau he 650~800MPa.
Ko ngā rivet maitai he iti iho i te 10mm te whānui me ngā rivet i hangaia ki ngā konganuku kore-ferrous, ngā konganuku māmā, me ngā koranu he pai te kirihou e whakamahia whānuitia ana mōwhakakoi makariri.
Wā tuku: Whiringa-ā-rangi-02-2023