2026-04-10Views：
single screw air compressor with twin screw air compressor difference?
In the world, in addition to micro compressors, more than 70% of the power air compressors are twin screw air compressors. Compared with the single screw air compressor, the performance of the new machine is not much different, mainly reflected in the performance difference after a period of use.
1. twin-screw is the meshing work of two rotors. The rotors are all metal parts, which are wear-resistant, and the exhaust volume will not decrease during long-term use. However, the single screw is a worm driving two star wheels, which are made of non-metallic materials and have poor wear resistance compared with metals. They are vulnerable parts in the main engine. After a period of operation, the exhaust volume declines seriously, the performance declines rapidly, and the failure rate is extremely high.
2. the single screw is three motion axis, the bearing is more than the twin screw, but also affect the life of the host.
3. in the manufacture, the twin screw has a special import equipment, processing is relatively easy, processing accuracy is easy to guarantee; and single screw on the contrary, there is no supply of imported special machine, processing difficulty, processing accuracy can not be guaranteed.
4. the life of the twin screw is longer than that of the single screw, the life of the single screw is subject to the life of the star wheel, so the life is very short.
To sum up, although the single screw has the advantages of excellent force balance and low vibration and noise in theory, it has four fatal shortcomings that are difficult to eliminate in a short period of time: first, the best type line has not been found; Second, the star wheel is worn and the exhaust volume declines seriously. Third, the structure is complex, and the difference in rigidity of moving parts makes the deformation uneven. Fourth, the accuracy of gear assembly will be reduced due to wear.
Therefore, the twin-screw air compressor is not only technically advanced, but also fully mature in practical applications, has been widely used, and the development prospects are very optimistic; and single-screw air compressor due to the existence of some decisive factors Inadequacies, its products still need to be further improved, can not be used as a mature product in the market large-scale promotion and application. In fact, the market performance of twin screw air compressors and single screw air compressors has well reflected the differences between them.
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