Helical Gear Speed Reducers
Provide high-efficiency speed reduction through 1, 2, 3, or 4 sets of gears. Electric power can be transmitted from a high-speed pinion to a slower-speed gear. Helical gears usually operate with their shafts parallel to each other. The two most common types will be the concentric (input and result shafts are in range) and parallel shaft (input and output shafts are offset). Single-stage helical equipment reducers are typically used for gear ratios up to about 8:1. Where reduced speeds and larger ratios are required, double, triple, and quadruple gear reduction stages can be used.

Worm Gear Speed Reducers
A single reduction velocity reducer can achieve up to a 100:1 reduction ratio in a small package. Referred to as right angle drives, these consist of a cylindrical worm with screw threads and a worm. With a single begin worm, the worm gear advances only 1 tooth for every 360-degree switch of the worm. So, regardless of the worm’s size, the gear ratio is the ‘size of the worm equipment to 1′. Higher decrease ratios could be created through the use of double and triple decrease ratios.

Basic Types of Gearboxes

The purpose of a gearbox is to improve or reduce speed. As a result, torque output will be the inverse of the function. If the enclosed travel is a velocity reducer, the torque result will increase; if the travel improves speed, the torque result will reduce. Gear drive selection factors include: shaft orientation, quickness ratio, design type, character of load, gear rating, environment, mounting position, working temperature range, and lubrication.

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