I te tatau i te diameter o te sprocket nui, me hangai te tatau ki ngā tohu e rua e whai ake nei i te wā kotahi:
1. Tātaihia i runga i te ōwehenga tuku: ko te ōwehenga tuku he iti iho i te 6 i te nuinga o te wā, ā, ko te ōwehenga tuku he pai rawa atu i waenga i te 2 me te 3.5.
2. Tīpakohia te ōwehenga tuku i runga i te maha o ngā niho o te pinion: ina tata ki te 17 ngā niho o ngā niho pinion, me iti iho te ōwehenga tuku i te 6; ina 21~17 ngā niho o ngā niho pinion, me 5~6 te ōwehenga tuku; ina 23~ te maha o ngā niho pinion. Ina 25 ngā niho o te pinion, ko te ōwehenga tuku he 3~4; ina 27~31 ngā niho o ngā niho pinion, ko te ōwehenga tuku he 1~2. Mena ka taea e ngā āhuatanga o waho, ngana ki te whakamahi i tētahi porotiti iti me te maha o ngā niho, he mea pai mō te pumau o te tuku me te whakanui ake i te roa o te ora o te mekameka.
Ko ngā tawhā taketake o te porotiti: te piko p o te mekameka taurite, te diameter waho mōrahi o te roera d1, te piko rarangi pt me te maha o ngā niho Z. Kei te ripanga i raro nei ngā ine matua me ngā tātai tatau o te porotiti. Me iti ake te diameter o te kōhao pokapū porotiti i tōna diameter mōrahi e whakaaetia ana. Kāore ngā paerewa ā-motu mō ngā porotiti i whakapūtā i ngā āhua niho porotiti motuhake, ko ngā āhua mōrahi me te iti rawa o te wāhi niho me ō rātou tawhā rohe anake. Ko tētahi o ngā āhua niho e whakamahia whānuitia ana i tēnei wā ko te pewa porowhita-toru.
Wā tuku: Hakihea-27-2023