The characteristics and differences between worm gear transmission and belt transmission. Here, the editor of Jiaoxing Transmission will summarize it. The main difference and characteristic is that the worm gear transmission ratio is large, while the belt transmission ratio is small; Worm gear transmission is vertical transmission, while belt transmission is parallel transmission; The torque of worm gear transmission is small, while the belt transmission distance is large; The efficiency of worm gear transmission is low, while the efficiency of belt transmission is slightly higher; The structure of the worm gear is relatively complex and the cost is relatively high.

1、 Transmission characteristics of worm gear reducer

1. It has self-locking properties. When the helix angle of the worm is very small, the worm can only drive the worm wheel for transmission, and the worm wheel cannot drive the worm to rotate.

2. Worm gear transmission has low efficiency, and it is generally believed that worm gear transmission has lower efficiency than gear transmission. Especially with self-locking worm gear transmission, its efficiency is below 0.5, and the general efficiency is only 0.7-0.9.

3. High heat generation, easy wear of tooth surfaces, and high cost.

4. High transmission ratio and compact structure. The number of worm heads is represented by Z1, and the number of worm gear teeth is represented by Z2. From the transmission ratio formula I=Z2/Z1, it can be seen that when Z1=1, that is, the worm gear is a single head, the worm gear needs to rotate Z2 to rotate the worm gear, thus obtaining a large transmission ratio. Generally, in power transmission, the transmission ratio I=10-80 is taken; In the indexing mechanism, I can reach 1000. Such a large transmission, such as gear transmission, requires multi-stage transmission, so worm gear transmission has a compact structure, small volume, and light weight.

5. The transmission is smooth and noiseless. Because the worm gear teeth are continuous and uninterrupted spiral teeth, they mesh continuously with the worm gear teeth without entering or exiting the meshing process, resulting in smooth operation, low impact, vibration, and noise.

2、 Characteristics of gearbox belt transmission

Transmission has the characteristics of simple structure, smooth transmission, buffering and vibration absorption, ability to transmit power between large shaft spacing and multiple shafts, and low cost, no need for lubrication, and easy maintenance. It is widely used in modern mechanical transmission. Friction type belt transmission energy is overloaded and slips, with low operating noise, but the transmission ratio is inaccurate (slip rate below 2%); Synchronous belt drive can ensure synchronous transmission, but its ability to absorb load changes is slightly poor, and there is noise during high-speed operation. Belt drive is not only used to transmit power, but also sometimes used to transport materials, complete parts, etc. Image article from the internet. If there is any infringement, please contact us for deletion