Njira yochepetsera mapulaneti imagwiritsidwa ntchito mu gawo lotumizira la liwiro lotsika komanso torque yayikulu, makamaka pamagalimoto am'mbali a makina omanga ndi gawo lozungulira la nsanja ya crane. Mtundu uwu wa makina ochepetsera mapulaneti umafunikira kusinthasintha kosinthika komanso mphamvu yotumizira ma torque amphamvu.
Magiya a pulaneti ndi zida zomwe zimagwiritsidwa ntchito kwambiri pakuchepetsa mapulaneti. Pakalipano, zofunikira kuti ma giya a mapulaneti akonzedwe ndi apamwamba kwambiri, zofunikira za phokoso la gear ndizokwera kwambiri, ndipo magiya amafunika kukhala oyera komanso opanda ma burrs. Choyamba ndi zofunika zakuthupi; chachiwiri ndi chakuti mbiri ya dzino la giya imakumana ndi muyezo wa DIN3962-8, ndipo mbiri ya dzino sayenera kukhala concave, chachitatu, cholakwika chozungulira ndi cholakwika cha cylindricity cha gear pambuyo popera ndipamwamba, ndi dzenje lamkati pamwamba. mkulu akhakula zofunika. Zofunikira zaukadaulo zamagiya