Worm gears (or wormwheel gears) and worms (or worm drives) are Ground Worm shaft designed to interact to transfer motion between nonintersecting shaft at correct angles. Worm gears and worms, which resemble spur gears and screws, respectively, 
combine to provide a high decrease ratio in a compact gear system. Our surface worm gears and ground worms are designed for exceptionally smooth and quite operation.
