Worm gear is a shank having at least one complete tooth(thread) around the pitch surface and is the driver of a worm wheel.Worm wheel gear with teeth cut on an angle to be driven by a worm.The worm gear pair is used to transmit motion between two shafts which are at 90°to each other and lie on a plane.
Worm gears belon manufacturing Applications:
Speed reducers, antireversing gear devices making the most of its self-locking features, machine tools, indexing devices, chain blocks, portable generators etc