Helical Gear Speed Reducers
Provide high-efficiency speed reduction through 1, 2, 3, or 4 pieces of gears. Power can be transmitted from a high-velocity pinion to a slower-speed equipment. Helical gears usually operate with their shafts parallel to each other. The two most common types will be the concentric (input and output shafts are in line) and parallel shaft (insight and result shafts are offset). Single-stage helical right angle worm gearbox equipment reducers are typically used for equipment ratios up to about 8:1. Where decrease speeds and higher ratios are needed, dual, triple, and quadruple gear reduction stages can be used.
Worm Gear Speed Reducers
A single reduction quickness reducer can achieve up to 100:1 decrease ratio in a small package. Referred to as right angle drives, these consist of a cylindrical worm with screw threads and a worm. With an individual begin worm, the worm equipment advances only one tooth for each 360-degree change of the worm. So, regardless of the worm’s size, the gear ratio may be the ‘size of the worm equipment to 1′. Higher reduction ratios can be created by using double and triple decrease ratios.
Basic Types of Gearboxes
The objective of a gearbox is to increase or reduce speed. As a result, torque output will be the inverse of the function. If the enclosed drive can be a speed reducer, the torque output will increase; if the drive boosts speed, the torque result will reduce. Gear drive selection factors include: shaft orientation, quickness ratio, design type, character of load, gear ranking, environment, mounting position, working temperature range, and lubrication.