Jabarkan Pembuatan dari Sekrup nirujung

Roda gigi nirujung pertama-tama dipotong untuk membuat gigi menjadi kasar, dan kemudian ditekan ke dimensi akhir.

Kinematic Models for Design Digital Library (KMODDL) Movies and photos of hundreds of working mechanical-systems models at Cornell University. Also includes an e-book library of classic texts on mechanical design and engineering.

Formulae & Calculations for Worm Drive

Various Metric Gears downloadable design specifications, 2D-3D models and catalogues

Various Worm Gearboxes, 3D models

Machining of Worm Shaft and Worm Gears