Six market competitive advantages of seals:
1. The oil seal structure is simple and easy to manufacture. The seal can be molded once, even for the more complex oil seal, the manufacturing process is not complex. The metal frame oil seal only needs to be punched, glued, inlaid, molded and other processes to form the required oil seal of metal and rubber.
2. The oil seal is light in weight and less in consumables. Each kind of oil seal is a combination of thin-walled metal parts and rubber parts. Its material consumption is very small, so the weight of each oil seal is very light.
3. The installation position of the oil seal is small, the axial dimension is small, it is easy to process, and makes the machine compact.
4. The oil seal has good sealing function and long service life. It has certain adaptability to the vibration of the machine and the eccentricity of the main shaft.
5. The oil seal is easy to disassemble and easy to inspect.
6. Oil seal is cheap.
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