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The worm reducer is an excellent choice for many applications. In particular, they are excellent in instruments that require fast stopping or acceleration and that don’t have much back drive. They are popular in elevators and lifts, too. And since they are soft, they allow for simple shock absorption and reduced failure. In general, worm gears are a good choice for heavy-duty machines, such as rock crushers. Listed below are some reasons to choose this type of reducer.

Cone Drive

The Double-Enveloping worm gearing geometry used in Cone Drive’s worm reducers is an example of this technology’s capability to provide greater torque carrying capacity. This enables the product to be used in a variety of applications, including rock crushers, robots, and satellite positioning systems. In addition to its ability to provide maximum torque carrying capacity, the Cone Drive worm reducer can be used in a wide range of applications, ranging from a single-stage gearbox to a complex multi-stage system.

The Company’s product catalog contains a variety of industrial gearbox designs. The Series F Gear motor is available as a shaft-mounted unit with an integral torque reaction bracket. These gearmotors also feature bolt-on feet. The Series K right-angle drive helical bevel worm gear motors are a series of speed-reducing geared motors with high load carrying capacities, low backlash, and quiet operation.


A general-purpose worm gearbox can provide torque from 5514 to 343 lb-ft. A Tramec worm reducer comes with a variety of standard features and can be easily interchanged with an old-fashioned NMRV. Its helical design makes it corrosion-resistant and has a low-cost, easy-to-use price. Various types of inputs are available for the X Series, including NEMA and IEC inputs.

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Kinematics Manufacturing has patented the Hourglass Worm, a superior worm thread that engages multiple teeth in the ring gear. These teeth can be anywhere from five to thirteen times the number of teeth in the standard worm drive. The Hourglass Worm is the perfect choice for heavy-duty transmission jobs, as its efficiency and load-carrying capacity make it a desirable choice for many industrial applications.

An hourglass worm gear has fully mesh teeth and a large contact area, resulting in a large load capacity. This design allows a lubricant film to easily form on the tooth surface, resulting in low gearing friction. The worm wheel is made from high-quality carburized steel, and the tooth profile is very precise. The more teeth a worm has, the quieter it operates and reduces its speed fluctuation.


A hypoid worm reducer combines bevel and worm gear technologies in one set. A hypoid gear set experiences minimal sliding friction and high tooth contact, making it more efficient for high reduction ratios. Hypoid gear sets feature a high precision bearing load capacity and increased gear shaft axis drive, enabling them to meet torque demands in higher-performance applications. In addition, the hypoid tooth pattern enables more energy to be transferred per revolution, which gives the hypoid gear reducer a mechanical advantage over a worm reducer. Worm units quickly lose efficiency if their ratio exceeds 15/1, and often the motor is overloaded to compensate for the inefficiency.

The benefits of a hypoid gear reducer outweigh the disadvantages. They have lower friction and higher efficiency, and the hypoid gear has a much longer lifespan than a worm gearbox. Hypoid reducers have no breather holes and need little maintenance. Hypoid gears also run cooler, and the grease they use is guaranteed to last a lifetime. And because they are lightweight and have a low friction coefficient, they can be installed almost anywhere.

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