Mpira Screw ndi wononga chakudya champhamvu kwambiri chomwe mpira umazungulira pakati pa screw axis ndi nati.Poyerekeza ndi sliding screw wamba, mankhwalawa ali ndi torque ya gawo limodzi mwa magawo atatu kapena kuchepera, kupangitsa kuti ikhale yoyenera kupulumutsa mphamvu zamagalimoto.
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Mpira Wokulungidwa
Kusiyana kwakukulu pakati pa wononga mpira wopindidwa ndi pansi ndi njira yopangira, tanthauzo la zolakwika zotsogolera ndi kulolerana kwa geometrical.KGG mipira yopindika imapangidwa kudzera mu njira yopukutira ya screw spindle m'malo mopera.Zomangira za mpira zopindidwa zimapereka kuyenda kosalala komanso kukangana kochepa komwe kumatha kuperekedwa mwachangupamtengo wotsika wopanga.
