How to choose the material of the large gear ring of the drum dryer?

The large gear ring of the drum dryer plays a very important role in the entire dryer transmission system. The quality of the large gear ring directly affects the operation and life of the dryer. To choose a good quality large gear ring, you need to understand from the following aspects?
Material selection and hardness requirements of the large gear ring of the dryer:
First of all, we need to know the working environment of the dryer gear ring. Therefore, the requirements for large and small gears are higher than those for gears in general transmission mechanisms. The material of the large gear is ZG45, and it is normalized. The surface hardness of the tooth top circle after processing is HB240-270; the material of the small gear is zg45; because the weight of the dryer itself and the weight of the material are not too heavy, in general, the small gear of the small dryer is mostly made of zg45#. While designing, the manufacturer should also make reasonable configuration according to the actual situation.

Common dryer large gear ring parameters are as follows:
0.8m dryer special gear ring modulus 10 teeth 98, 1m dryer special gear ring modulus 12 teeth 107, 1.2m dryer special gear ring modulus 12 teeth 127, 1.4m dryer special gear ring modulus 14 teeth 140, 1.5m dryer special gear ring modulus 14 teeth 130, 1.6m dryer special gear ring modulus 14 teeth 149, 1.8m dryer special gear ring modulus 14 teeth 149, 2m dryer special gear ring modulus 14 teeth 164
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