Bevel giya rine curved, oblique mazino kuti ipe zvishoma nezvishoma kubatanidzwa uye hombe yekubata kumeso panguva yakapihwa pane yakaenzana yakatwasuka bevel giya.
Spiral bevel giya Zvimiro:
1 ine yakakwira yekusangana ratio, yakakwira simba uye kusimba pane yakaenzana yakatwasuka bevel giya
2.Inobvumira chiyero chepamusoro chekuderedza
3.Kune hunyanzvi hwekufambisa nekuderedzwa kwegiya ruzha
40Inosanganisira mamwe matambudziko ehunyanzvi mukugadzira
Spiral bevel giya Zvishandiso: Mota, Matrakita, Mota, kudzikisa kwekupedzisira giya rezvikepe, Kunyanya yakakodzera kune yakakwirira-kumhanya, inorema dhiraivha.