Ngā mata wiri miro pereki me te kakau rango
Ngā Āhuatanga
1. Ngā Mahi Whānui: Ka taea te whakamahi i ēnei mata wiri me ngā momo mīhini wiri, tae atu ki ngā wiri ā-ringa, ngā hama hurihuri, me ngā wiri pānga. Nā tēnei whakamahinga whānui e pai ai mō te whakamahi ngaio me te whakamahi ā-ringa.
2. Te Pakari: Ko ngā mata keri o te kakau rango he mea hanga mai i ngā rauemi kounga teitei, pērā i te tungsten carbide, te maitai whakapakeke rānei. Mā tēnei ka kaha ake te ātete ki te āhua whakakoi o ngā rauemi kohatu, ā, ka piki ake te pakari.
3. Te Tika: Mā te hoahoa hurihuri o ēnei mata wiri ka ma, ka tika hoki te kōhao. Mā ngā taha tapahi koi ka taea te keri tika, me te kore e nui rawa ngā wiri, e pakaru rānei.
4. Te keri tere ake: Ko ngā mata keri miro pereki me ngā kakau rango he mea hanga hei wero tere i ngā rauemi pereki pēnei i te pereki, te raima, te kōhatu rānei. Mā te hoahoa putorino motuhake ka āwhina i te tango pai i ngā paru mai i te kōhao, ka taea ai te tere keri.
5. Ngāwari ki te whakamahi: Mā te hoahoa o te kakau rango ka ngāwari te tāpiri me te tango mai i te tītaha wiri, i te mīhini wiri rānei. Nā tēnei ka ngāwari te whakamahi, inā koa ina whakawhiti pinepine ana i ngā mata wiri i te wā e keri ana.
Ngā taipitopito o te mata keri kohatu
| Diameter (D mm) | Te Roa o te Putorino L1(mm) | Te Roa Katoa L2(mm) |
| 3 | 30 | 70 |
| 4 | 40 | 75 |
| 5 | 50 | 80 |
| 6 | 60 | 100 |
| 7 | 60 | 100 |
| 8 | 80 | 120 |
| 9 | 80 | 120 |
| 10 | 80 | 120 |
| 11 | 90 | 150 |
| 12 | 90 | 150 |
| 13 | 90 | 150 |
| 14 | 90 | 150 |
| 15 | 90 | 150 |
| 16 | 90 | 150 |
| 17 | 100 | 160 |
| 18 | 100 | 160 |
| 19 | 100 | 160 |
| 20 | 100 | 160 |
| 21 | 100 | 160 |
| 22 | 100 | 160 |
| 23 | 100 | 160 |
| 24 | 100 | 160 |
| 25 | 100 | 160 |
| Kei te wātea ngā rahi, whakapā mai ki a mātou mō ētahi atu mōhiohio. | ||





