Helical worm gear reducer is a commonly used transmission device, through the meshing of gears, the power of the input shaft rotating at high speed is transmitted to the output shaft, so as to achieve the effect of deceleration. It consists of three important parts: helical gear, worm gear and worm. Let's take a detailed look at the internal structure of the helical worm gear reducer and its function.
Helical gear, which is the driving gear of the reducer, its role is to transmit the power of the input shaft to the worm gear. Helical gears are usually composed of multiple gears, which have different tooth numbers and tooth shapes, and can achieve different transmission ratios through reasonable pairing. Helical gears are generally made of high-strength alloy steel materials to ensure their strength and wear resistance.
Worm gears and worms, which are passive transmission components of the reducer. The worm gear is a cylinder with a spiral tooth shape, and the worm is the cylinder that matches it. When the helical gear drives the worm gear to rotate, the helical teeth of the worm gear will engage the worm, causing the worm to rotate with it. Worm gears and worms are driven by rolling friction, so their transmission efficiency is slightly lower than that of gear transmission. However, due to the structural characteristics of worm gears and worms, they can achieve a large reduction ratio, generally between 5 100, so they are widely used in occasions that require large reduction ratios.
The output shaft and housing of the reducer. The output shaft is the output part of the reducer, which is directly connected with the worm and realizes the transfer of the workload through the output shaft. The output shaft usually needs to be machined by processes such as heat treatment and case hardening to improve its strength and wear resistance. The shell is the protective shell of the reducer, which can prevent dust, moisture and other impurities from entering the reducer, and can also prevent damage to the main components.
The internal structure of the helical worm gear reducer includes important components such as helical gear, worm gear, worm, output shaft and housing. They work together to enable the gearbox to achieve efficient power transmission and deceleration through reasonable transmission design and high-quality material manufacturing. Nowadays, helical worm gear reducers are widely used in the field of mechanical transmission, providing reliable power support for the production of all walks of life.
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