Izixhobo zeplanethiIigiya zangaphakathi ezibekwe ziyinxalenye ebalulekileyo yeegiya zeplanethi, ezisetyenziswa kakhulu kwizicelo ezifuna uxinano oluphezulu lwe-torque kunye noyilo oluncinci. Ezi giya zangaphakathi, ezaziwa ngokuba ziigiya zendandatho, zinamazinyo kumphezulu wazo wangaphakathi kwaye zisebenza kunye negiya yelanga kunye negiya zeplanethi i-epicycloidal ukuze zisasazwe.
Zenziwe ngezinto ezinamandla aphezulu ezifana nentsimbi ye-alloy okanye iintsimbi eziqinileyo, iigiya zangaphakathi zenzelwe ukusingatha imithwalo enzima ngelixa zigcina ulungelelwaniso oluchanekileyo. Zivumela ukudluliselwa kwe-torque okugudileyo, umlinganiselo wegiya ophezulu, kunye nokungcangcazela okuncitshisiweyo, okwenza ukuba zilungele amashishini afana ne-robotics, iimoto, i-aerospace, kunye ne-renewable.
Ezi gears zilungiselelwa ubungakanani bazo, iprofayili yamazinyo, kunye nezinto ezisetyenziswayo, zihambelana neemfuno ezithile zezicelo ezahlukeneyo. Nokuba zezokunciphisa isantya, ukwandisa i-torque, okanye ukuphucula amandla, iseti yegiya yeplanethi.izixhobo zangaphakathi zibalulekile ekufezekiseni ukusebenza okugqwesileyo kunye nokuthembeka.
Sixhotyiswe ngezixhobo zokuhlola eziphambili ezifana nomatshini wokulinganisa iBrown & Sharpe onemida emithathu, iziko lokulinganisa iColin Begg P100/P65/P26, isixhobo sokulinganisa iGerman Marl cylindricity, isivavanyeli soburhabaxa saseJapan, iOptical Profiler, iprojektha, umatshini wokulinganisa ubude njl.njl. ukuqinisekisa ukuba uhlolo lokugqibela lucwangcisiwe ngokuchanekileyo nangokupheleleyo.