Our complete type of worms and worm gears could be ordered through the EP Equipment Guaranteed Same Time Shipment Plan for the quickest delivery possible.
Product Features
90°, nonintersecting shaft applications answer highly specialized power tranny needs.
Our worm gears provide smoothest, quietest form of gearing.
They provide high-ratio speed decrease in minimal spaces.
Their efficiency is easily increased by lowering ratios.
With some ratios, there is level of resistance to back driving.
Available from 48 DP to 3 DP
Stocked as single, dual and quad start configurations
Because the effectiveness of a worm equipment drive depends on the lead angle and amount of 
starts on the worm – and because increased effectiveness is always an objective, the ratio should be kept as low as possible. To run correctly, worms and worm gears utilized together must have the same diametral pitch and threads.
Worms & Worm Gears
EP Gear’s worms and worm gears provide an effective answer for power tranny applications requiring high-ratio acceleration reduction in a limited space using correct angle (90°), non-intersecting shafts. When properly applied, worms and worm gears supply the smoothest, quietest type of gearing.
The primary benefit of worm gears is their ability to provide high reduction ratios and correspondingly high torque multiplication. They can also be used as rate reducers in low- to medium-quickness applications. And, because their reduction ratio is founded on the number of gear teeth by itself, they are more compact than other types of gears. Like fine-pitch lead screws, worm gears are typically self-locking, making them ideal for hoisting and lifting applications.
Although the sliding contact reduces efficiency, it provides very quiet operation. (The utilization of dissimilar metals for the worm and equipment also plays a part in quiet operation.) This would make worm gears ideal for use where noise should be minimized, such as in elevators. Furthermore, the use of a softer material for the gear implies that it could absorb shock loads, like those skilled in heavy equipment or crushing devices.
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