Special Worm Gearbox

Support shock loads
Capable of zero backlash
Self locking and overhauling
High level of repeatability
aluminium worm gear box manufacturer


Special worm gearboxes can be customised according to your applications and requirements. For more details, get in touch with us.



Power range: 0.12 to 7.5kW

Reduction ratio range: 7.5 to 100

Sizes: ALM25 to ALM130


  • Aluminium alloy composes the housing, flanges, feet upto size 90 and cast iron is used for the sizes 110 and above
  • Steel is used for the worm shaft and the case is hardened to 58-60 HRC and profile ground
  • The worm wheel is composed of cast iron hub upon which a casting of PB2 bronze rim is fitted
  • Synthetic oil grade: ISO VG 320