ngā purongo

Te tautuhi i ngā waehere peera kore-paerewa

 

Ngā peera kore-paerewae pā ana ki ngā peera kāore e tutuki ana ngā ine, te hanganga, te tika, ngā whakaritenga hangarau rānei ki ngā paerewa ā-motu (GB/T). He mea hanga motuhake i runga i ngā tuhi a te kiritaki. Ko ō rātou āhuatanga ko te iti o te āheinga ki te whakamahi, te whakamahinga tuatahi i roto i ngā taputapu motuhake, i ngā tono tino tika rānei (pēnei i ngā taputapu hauora me ngā motuka motuhake), me te maha o ngā hua whakamātautau rangahau me te whanaketanga. Nā te iti o ngā rahinga puranga, he nui ake ngā utu whakaputa me ngā utu i ngā peera paerewa.

 

Mō ētahingā peera, ko te hunga kāore e tutuki ana te whānui o roto, te whānui rānei o waho (teitei) ki ngā paerewa o te ao e tika ana, ka kiia he peera kore-paerewa. Ko te waehere mō te peera kore-paerewa he waehere taketake, he waehere tīmatanga, me te waehere paerewa. E rua ngā wāhanga o te waehere taketake: te waehere tauira me te ine e tohu ana i te rahi taketake o te peera.

 

1. Waehere Rahinga Rahi

 

E rua ngā tikanga hei whakaatu i te waehere raupapa rahi.

 

1) Ko te whānui o waho, te whānui rānei o tētahi peera kore-paerewa ka tautuhia mā te whakamahi i te raupapa whānui, te whānui rānei e tata ana ki te paerewa, ā, ka tāpirihia ngā reta X1, X2, X3 i muri i te waehere taketake.

 

2) Kāore e taea te whakarite i te whānui o roto, te whānui o waho, me te whānui o tētahi whāriki kore-paerewa ki te raupapa rahi paerewa, nō reira ka whakaaturia ēnei hei tau mutunga kore.

 

2. Waehere Diameter o Roto

 

Ko te waehere ine diameter o roto e whakaatuhia ana penei: mō ngā diameter kei raro iho i te 500mm, ka whakamahia he tauoti ka taea te wehewehe mā te 5, ā, ka wehea te quotient mā te 5 hei tohu i tōna waehere. Ko ētahi atu ine ka whakaatuhia tika ko te diameter o roto tuturu i roto i ngā mirimita, engari me wehea e te "/" mā te whakamahi i te waehere raupapa rahi kotahi.

 

Hei tāpiritanga, ka taea hoki te whakaatu i ngā peera kore-paerewa mā te whakamahi i ngā inenga āhuatanga mō te tāutanga taunga. Ka whakaatuhia ngā inenga peera penei: "/diameter o roto * diameter o waho * whānui", me ngā waeine o ngā inenga tuturu i roto i te mm.

Mena kei te hiahia koe ki te mōhio atu ki ngā kōrero mō te peera, tēnā whakapā mai ki a mātou:
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