I te wa e hoahoa ana i te cylinder hydraulic, ko te mahi tuatahi ko te tino maarama ki tana ahuatanga whakamahinga. Ma tenei e kapi te pehanga mahi a te punaha hiko, te pehanga whakahaere, me nga mea nui penei i te pāmahana taiao me te maha o nga mahi. I te wa ano, he mea tika kia whakamarama i te kaha o te hydraulic me pehea te mahi. I runga i enei korero, ka taea e taatau te whakatau i te diameter diameter, te diameter diameter, whiu, te tikanga hononga me te rahi o te whakaurunga o te cylinder hydraulic.
Ko te taumata pēhanga o te punaha hydraulic e wehea ana ki te rima Range: te pehanga iti, te pehanga reo, te kaha o te pehanga teitei, te taumaha teitei me te ultra teitei. Ina whakatauhia te punaha p, me te whakakotahi me te kaha whakaputa Cylinder e hiahiatia ana F, ko te diameter diameter d o te cylinder ka taea te tatau. Panuku, me korero ki nga paerewa e tika ana kia tohua te diameter raupapa paerewa e tika ana. Mo te whakataunga o te piston rod diameter, ko te ōwehenga tere φ, ara, ko te ōwehenga tere o te nekehanga whakautu a te piston cydraulic, me whai whakaaro. Ko te ōwehenga tere me tohua, te karo i te nui, te iti rawa ranei, ki te whakarite kia kore e mau te kaha o te kiri. I te wa ano, me whai ano te roopu kiri a te kiri ki te whai i te paerewa hei whakahaere i te kowhiringa me te whirihora o nga hiri paerewa.
