The worm shafts are made from 16MnCrS5BG, hardened and ground.

Various worm shaft versions are available. Alongside a worm shaft with a cylindrical shaft end and feather key groove, there are versions with toothed shaft ends. The short shaft end has a toothed shaft profile according to DIN 5482 - including the ZAE type K coupling. The worm gear unit rims are manufactured from centrifugally cast solid bronze GzCuSn12Ni with excellent anti-friction properties.

Worm gear sets based on customer drawings Besides our comprehensive standard range, ZAE will also be happy to manufacture worm gear sets to your own specifications based on your production drawings.

Performance range
1. Shaft centre distances from 30 to 400 mm (10 standard sizes from 40 to 315 mm)
2. 12 standard ratios from 5: 1 to 83: 1 and individual ratios upon request
3. Output torques up to 50, 000 Nm