rätvinklig snäckväxel

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

Worm Gear Speed Reducers
A single reduction velocity reducer can achieve up to 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 equipment advances only one tooth for each 360-degree convert of the worm. Therefore, whatever the worm’s size, the gear ratio may be the ‘size of the worm gear to 1′. Higher decrease ratios can be created by using double and triple reduction ratios.

Basic Types of Gearboxes

The purpose of a gearbox is to increase or reduce speed. Consequently, torque output would be the inverse of the function. If the enclosed get is a speed reducer, the torque result increase; if the get increases speed, the torque output will decrease. Gear drive selection factors include: shaft orientation, swiftness ratio, design type, character of load, gear ranking, environment, mounting position, working temperature selection, and lubrication.

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