Igiya ye-bevel ejikelezayo luhlobo lwegiya ye-bevel eyenzelwe ukuhambisa amandla kunye nentshukumo phakathi kwee-shafts ezihlanganayo kwii-engile ezahlukeneyo.Babonisa iprofayili yamazinyo e-helical ebonelela ngokutyibilika, ukusebenza okuthe cwaka, kunye nokomelela okukhulu kunye nokuqina kunezixhobo ze-bevel zendabuko.Iigiya ze-Spiral bevel ziqhele ukusetyenziswa koomatshini bemizi-mveliso, ukwahluka kweemoto, kunye nezicelo zokuhambisa amandla ezifuna i-torque ephezulu kunye nokuchaneka.Ziyilelwe ukuhanjiswa kwamandla okusebenzayo kwaye kuncitshiswe ukungqubana kunye nokunxiba, oko kuzenza zibe lukhetho oluthembekileyo nolusebenzayo kumashishini amaninzi.