Single-throated - has concave helical teeth which wrap around the worm. This leads to high unit loads and wear.Ģ. Tooth contact is a single moving point on the worm drive. Non-throated - a helical gear with a straight worm. There are three major types of worm gears:ġ. Ratios of 20:1 up to 60:1 and higher are normally achieved. They can transmit high loads at high-speed ratios. They are unique in their ability to achieve large speed reductions in a compact space. Worm gears are used in various industries and machinery applications. This article addresses how effectively lubricated worm gears affect worm gear performance. They serve as speed reducers in many different industries and applications. Worm gears operate under difficult conditions, presenting unique lubrication demands.
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