Analysis of the reasons for the failure of the worm gear reducer self-locking:

The worm gear is a friction transmission mode. The self-locking condition of the worm gear reducer is that the friction angle of the worm is smaller than the spiral angle of the worm. When the worm is self-locking, the worm wheel cannot drive the worm wheel to rotate. If it is not in the self-locking state, the worm wheel can drive the worm to rotate. Therefore, the worm gear reducer has a poor self-locking or malfunction. Further, when the worm gear is meshed and transmitted, the relative sliding speed between the meshing teeth is large, so the friction loss is large and the efficiency is low. On the other hand, the relative sliding speed is large.

The surface wear is severe and the heat is severe. In order to dissipate heat and reduce wear, materials with better anti-friction and anti-wear properties and good lubrication devices are often used, so the cost is high. The worm gear reducer has a large axial force. The self-locking function of the arc-tooth worm gear reducer is used in the transmission mode of the arc-tooth worm reducer. The arc-tooth worm drive has the characteristics of other gear transmissions, that is, the worm can be easily Rotating the worm gear, but the worm wheel cannot rotate the worm. This is because the structure and transmission of the worm gear are caused by friction. These are the causes of the self-locking failure of the worm gear reducer.

In addition, pay attention to daily maintenance, it can also effectively prevent the worm gear reducer from self-locking failure. When the worm gear reducer is used, it needs to be replaced with new oil after 300 hours of continuous rotation. After that, it needs to change oil every 2,500 hours. However, the quality of the oil should be checked regularly during the use. If the oil has impurities, aging and deterioration. Must be replaced at any time. The gear reducer should use a fixed brand, number of gear oil, and should not be mixed with different brands, numbers or different types of oil.

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