He whatunga whatunga te mekameka tuku, ā, he tika te ōwehenga toharite o te tuku. He whatunga miihini e tuku ana i te mana me te nekehanga mā te whakamahi i te whatunga o te mekameka me ngā niho o te porotiti.
te mekameka
Ko te roa o te mekameka ka whakaaturia i roto i te maha o ngā hononga. Ko te maha o ngā hononga mekameka he taurite te pai, kia honoa ai te mekameka ki roto i te mowhiti, ka honoa noa te pereti mekameka o waho me te pereti mekameka o roto, ā, ka taea te raka i ngā hononga ki ngā topenga puna, ki ngā pine cotter rānei. Mena he tauhou te maha o ngā hononga, me whakamahi ngā hononga whakawhiti. Ina taumaha te mekameka, ka pikau hoki te hononga whakawhiti i ngā kawenga piko tāpiri, ā, me karohia te nuinga. Ko te mekameka niho he maha ngā pereti mekameka niho-pokia e honoa ana e ngā inihi. Hei karo i te taka o te mekameka i te wā e honoa ana, me whai pereti ārahi te mekameka (kua wehea ki te momo ārahi o roto me te momo ārahi o waho). He taha tika ngā taha e rua o te pereti mekameka niho-pokia, ā, ka hono te taha o te pereti mekameka ki te āhua niho o te sprocket i te wā e whakamahia ana. Ka taea te hanga i te inihi hei takirua reti, hei takirua hurihuri rānei, ā, ka taea e te momo roera te whakaiti i te waku me te kakahu, ā, he pai ake te pānga i tērā o te momo papa whāriki. Ki te whakatauritea ki ngā mekameka roera, he maeneene te oma o ngā mekameka niho-pokia, he iti te haruru, ā, he kaha ki te tu atu i ngā kawenga pānga; engari he uaua, he utu nui, he taumaha hoki ō rātou hanganga, nō reira kāore i te whānui te whakamahinga pērā i ngā mekameka roera. Ko te nuinga o ngā mekameka niho e whakamahia ana mō te tere tere (tere mekameka tae atu ki te 40m/s) me te tuku nekehanga tino tika. Ko te paerewa ā-motu anake e whakatau ana i ngā uara mōrahi me te iti rawa o te radius pewa mata niho, te radius pewa awaawa niho me te koki awaawa niho o te awaawa niho o te poroka mekameka roera (tirohia te GB1244-85 mō ētahi atu taipitopito). Ko te āhua mata tūturu o ia poroka me noho i waenga i ngā āhua cogging nui rawa me ngā āhua iti rawa. Mā tēnei maimoatanga ka taea te ngāwari nui ki te hoahoa i te pihi kōtaha niho poroka. Heoi, me whakarite te āhua niho kia taea e te mekameka te tomo me te puta mā te maeneene me te kore he here, ā, me ngāwari ki te tukatuka. He maha ngā momo pihi kōtaha niho mutunga e tutuki ana i ngā whakaritenga o runga ake nei. Ko te āhua niho e whakamahia whānuitia ana ko "ngā pewa e toru me te rārangi tika kotahi", arā, ko te āhua niho mata mutunga he mea tito mai i ngā pewa e toru me te rārangi tika kotahi.
pūwero
He āhua pewa ngā taha e rua o te āhua niho o te mata o te kakau porotiti hei whakahaere i te urunga me te putanga o ngā hononga mekameka. Ina tukatukahia te āhua niho ki ngā taputapu paerewa, kāore e hiahiatia te tuhi i te āhua o te niho mata pito ki runga i te tuhi mahi porotiti, engari me tuhi te āhua niho o te mata o te kakau porotiti hei whakahaere i te hurihanga o te porotiti. Tirohia te pukapuka hoahoa e tika ana mō ngā ine motuhake o te kōtaha niho o te mata o te kakau. Me nui te kaha o ngā niho porotiti me te ātete ki te kakahu, kia wera ai te nuinga o ngā mata o ngā niho. He roa ake te wā honohono o te porotiti iti i te porotiti nui, ā, he nui ake hoki te kaha pānga, kia pai ake ai te rauemi e whakamahia ana i te porotiti nui. Ko ngā rauemi porotiti e whakamahia whānuitia ana ko te maitai waro (pēnei i te Q235, Q275, 45, ZG310-570, me ētahi atu), te rino maka hina (pēnei i te HT200), me ētahi atu. Ka taea te hanga i ngā porotiti nui ki te maitai koranu. Ka taea te hanga i te porotiti he iti te diameter hei momo totoka; Ka taea te hanga i te porotiti waenga-diameter hei momo kōhao; ka taea te hanga i te porotiti nui-diameter hei momo whakakotahi. Mēnā ka pakaru ngā niho nā te pakaru, ka taea te whakakapi i te taputapu mowhiti. Ko te rahi o te pokapū porotiti ka taea te tohu i te pūrei.
Wā tuku: 23 o Ākuhata-2023