Causes of rupture of worm gear teeth in worm gear reducer

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The main components inside the worm gear reducer are the worm gear and the worm, which transmit motion and power through two axes that are staggered in space. In the long-term use, the worm gear tooth portion of the reducer is prone to breakage, and such a problem also causes great trouble to the reducer user. So what is the cause of the broken worm gear of the worm gear reducer? The main components inside the worm gear reducer are the worm gear and the worm, which transmit motion and power through two axes that are staggered in space. In the long-term use, the worm gear tooth portion of the reducer is prone to breakage, and such a problem also causes great trouble to the reducer user. So what is the cause of the broken worm gear of the worm gear reducer?
China Hardware Business Network


If the worm gear reducer breaks, it is usually at the root of the tooth, because the bending stress at the root is the largest, and it is the source of stress concentration. First of all, from the turbine itself, if the worm gear design, material selection, forging, handling and installation are not qualified, the worm gear accuracy is very poor, the worm gear root will bear a lot of bending stress, and various manufacturing defects will cause fatigue. crack. It has been observed that the crack will be very shallow at the beginning, but as the problem becomes more serious, the crack will gradually spread and expand, eventually leading to the worm gear breaking. Then, from the operational point of view, the worm gear teeth are broken. First, the external force is large. When one or more forces are used alone or in combination, and the worm gear and the worm are poorly coupled, local cracking may occur. Not only does the worm gear lose its transmission performance, but it can also cause major economic losses or accidents. The second is due to the overload of the worm gear reducer. The worm gear is made of non-ferrous metal. Although it has a strong bearing capacity, when it is severely overloaded or subjected to a strong impact, the worm gear teeth will suddenly break due to exceeding the load limit value.
The above is the analysis of the worm gear teeth of the worm gear reducer. In today's modern machinery, the development of high power and high speed, the probability of worm gear fracture is greatly improved. Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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