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The effectiveness of a worm gear transmission relies upon to a large extent on the helix angle of the worm. Multi-threaded worms and gears with higher helix angles have confirmed to be 25% to 50% much more successful than single-threaded worms. The sliding action of the worm meshing with or meshing with the worm gear results in appreciable friction and decline of performance when compared to other sorts of gears. Enhance performance with hardened and floor worm change bronze worm gears.
