Kaihanga Wheketere Haina, Kaiwhakarato Hokomaha DIN 7991 Pūtu Pōtae Upoko Hexagon Socket Countersunk
Whakamahinga:
I runga i te mata o te kōhao whakapiri i te wahi hono, ka tukatukahia he pūwero porowhita kōniko 90-tohu, ā, kei roto i tēnei pūwero porowhita te pane o te tīwiri mīhini papatahi, e ōrite ana ki te mata o te wahi hono. Ka whakamahia hoki ngā tīwiri mīhini papatahi i ētahi wā me ngā tīwiri mīhini papatahi pane porowhita. He ataahua ake tēnei momo tīwiri, ā, ka whakamahia ki ngā wāhi ka taea e te mata te puta ake.
Me pēhea te whakamahi?
Ko te nuinga o ngā tīwiri totohu ka whakamahia ki ngā wāhi kāore e taea te whakaara ake i te mata o te wāhanga i muri i te tāutanga. E rua ngā momo wāhanga hei whakamau. Ko te matotoru o te pane, i muri i te whakakīkī i te tīwiri, kāore tonu tetahi wāhanga o te miro tīwiri e tomo ki te kōhao miro. I tēnei wā, ka taea te whakakīkī i te tīwiri pane totohu.
He koki kōne 90° te koki o te koeko o te pane o te tīwiri pane totohu. Ko te tikanga, ko te koki tihi o te mata wiri hou kua hokona ko te 118° -120°. Kāore ētahi kaimahi kāore i te whakangungua e mōhio ki tēnei rerekētanga koki, ā, he maha ā rātou whakamahi i te wiri 120° Reaming, ā, ko te mutunga iho, kāore ngā tīwiri pane totohu e totohu ana i te wā e whakakīkī ana i ngā tīwiri pane totohu, engari he rārangi kei raro i te pane tīwiri, koinei tētahi o ngā take e kore ai e taea e ngā tīwiri e kīia nei he tīwiri totohu te pupuri pūmau.
Ngā whakatūpato i te wā e whakamahia ana:
1. Me 90° te koki o te kōhao whakapūmau. Hei whakapūmau, he pai ake kia iti iho i te 90°, kaua e neke atu i te 90°. He mahi nui tēnei.
2. Mena he iti iho te matotoru o te pepa whakarewa i te matotoru o te pane o te tīwiri pane totohu, ka taea e koe te whakarerekē i te tīwiri iti ake, te whakanui ake rānei i te kōhao i te whakanui ake i te kōhao kia nui ake ai te whānui o te kōhao o raro, kia kore ai e piri te wāhanga.
3. Mena he maha ngā kōhao tīwiri kua totohu ki te wāhanga, kia tika ake te mahi i te wā e mahi ana i te mīhini. Kia piko te wiri, he uaua ki te kite i te huihuinga, engari ka taea te whakakīkī mena he iti te hapa, nā te mea ina kore te tīwiri e tino piri (kāore i te neke atu i te 8mm), ina he hapa kei te tawhiti o te kōhao, ka rerekē te āhua o te pane o te tīwiri nā te kaha ina whakakīkītia, ka whakakīkītia rānei.
