Njirimara nke worm gears:
1. Na-enye nnukwu mbelata raios maka ebe etiti enyere
2. Ezi na ire ụtọ meshing edinam
3. Ọ gaghị ekwe omume na wiil worm na-anya wor ọ gwụla ma e nwetara ọnọdụ ụfọdụ
Ụkpụrụ ọrụ worm gear:
The abụọ aro nke worm gia na worm mbanye bụ perpendicular ọ bụla ọzọ; Enwere ike iweta irighiri dị ka helix nwere otu nha nha (otu isi) ma ọ bụ ọtụtụ ezé (ọtụtụ isi) merụrụ n'akụkụ helix na cylinder ahụ, ngwa irighiri ahụ dịkwa ka oblique.gia, ma ezé ya na-ekpuchi ikpuru. N'oge meshing, otu ntụgharị nke worm ga-eme ka wiil ikpuru na-atụgharị site na otu nha nha (eriri otu njedebe) ma ọ bụ ọtụtụ ezé (eriri njedebe) . mkpanaka), ya mere oke ọsọ i nke nnyefe worm gear = ọnụ ọgụgụ. nke isi nke ikpuru Z1/ọnụọgụ ezé nke ikpuru wheel Z2.