Ko ngā mekameka roera tētahi o ngā wāhanga tino nui o te pūnaha taraiwa pahikara. Koia te kawenga mō te whakawhiti i te mana mai i ngā pētera ki te wira o muri, kia taea ai e te pahikara te neke whakamua. Engari kua whakaaro koe e hia ngā roera e whakamahia whānuitia ana mō ngā mekameka pahikara?
I te ao pahikara, ka whakarōpūtia ngā mekameka roera e te tawhiti i waenganui i ngā pine roera e whai ake nei. He mea nui te ine i te tawhiti hei whakatau i te hototahitanga o te mekameka ki ngā porotiti me ngā mowhiti mekameka pahikara.
Ko te mekameka roera tino noa mō ngā pahikara ko te mekameka pitch 1/2 inihi. Ko te tikanga ko te tawhiti i waenga i ngā pokapū o ngā pine roera e rua e whai ake nei he hawhe inihi. He whānuitia te whakamahinga o ngā mekameka pitch 1/2 inihi i roto i te umanga pahikara nā te mea he hototahi ki ngā momo waahanga taraiwa me te ngāwari o te whakamahi.
Heoi, he mea tika kia mōhiotia he rerekē te whānui o ngā mekameka pahikara, ā, ka pā pea tēnei ki te hototahitanga ki ngā taputapu rerekē. Ko te whānui tino noa mō ngā mekameka pahikara ko te 1/8 inihi me te 3/32 inihi. Ko ngā mekameka 1/8″ e whakamahia ana i runga i ngā pahikara tere kotahi, i ētahi pahikara taputapu pumau rānei, ko ngā mekameka 3/32″ ia e whakamahia ana i runga i ngā pahikara tere maha.
Ko te whānui o te mekameka ka whakatauhia e te whānui o ngā pīkau me ngā hononga. Ko ngā pahikara tere kotahi te nuinga o te wā ka whakamahia he mekameka whānui hei pupuri i te pakari me te pumau. Ko ngā pahikara tere maha, i tetahi atu ringa, ka whakamahia he mekameka whaiti hei uru pai ki waenga i ngā porowhita e tata ana te tawhiti.
Hei tāpiritanga, ka pā pea te maha o ngā taputapu i roto i te pūnaha taraiwa o tō pahikara ki te momo mekameka e whakamahia ana. Ko ngā pahikara pūnaha taraiwa tere kotahi te tikanga he mekameka 1/8 inihi te whānui. Heoi, ko ngā pahikara he taputapu derailleur me whai mekameka whaiti hei whakauru i te nekehanga tika i waenga i ngā taputapu. He maha ngā hoahoa uaua o ēnei mekameka, ā, ka taea te tohu ki ngā tau pēnei i te 6, 7, 8, 9, 10, 11, 12 rānei ngā tere hei tohu i tō rātou hototahi ki tētahi pūnaha taraiwa motuhake.
Hei whakarite i te pai o te mahi me te roa o te ora o tō mekameka pahikara, he mea nui kia whiriwhiria te mekameka tika mō tō pahikara. Mā te whakamahi i tētahi mekameka kāore e hototahi ka hua ake he mahi nekehanga ngoikore, he nui rawa te pakaru me te kino pea ki ngā wāhanga o te pūnaha taraiwa.
Nō reira, he mea tika kia tirohia ngā whakaritenga a te kaihanga, kia rapu tohutohu rānei i tētahi tohunga miihini pahikara ina whiriwhiria he mekameka whakakapinga mō tō pahikara. Ka taea e rātou te āwhina i a koe ki te whakatau i te whānui me te tere tika o te mekameka e rite ana ki te pūnaha taraiwa o tō pahikara.
Hei whakarāpopototanga, ko te momo mekameka roera e whakamahia whānuitia ana i roto i ngā mekameka pahikara ko te mekameka pitch 1/2 inihi. Heoi, me whai whakaaro ki te whānui o te mekameka me te hototahi ki ngā taputapu o te pahikara. Mā te whiriwhiri i te mekameka tika ka pai te tuku hiko, ka pai ake te wheako eke.
Wā tuku: Akuhata-09-2023