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Reasons for Damage of Gear Meshing Clearance of Sawdust Dryer

Time:2019年07月21日      Hits:

With the long-term operation of sawdust dryer machine, the damage of bonding clearance between big and small gears greatly affects the normal operation of the sawdust drying equipment, and even causes great damage to the sawdust drying equipment in serious cases. Then, what is the reason for the breakdown of meshing clearance between big and small gears of sawdust rotary dryer ?

sawdust dryer, sawdust rotary dryer, sawdust drying machine

1. The wear of pinion gear is serious. When we are drying sawdust, the pressure of pinion face is very high, and when the speed of sawdust dryer is low, the contact surface of gear can not form oil film very well. In this way, when the lubricating oil is extruded or the lubricating oil effect decreases when the temperature of the contact part of the tooth surface rises, the pinion gear will be worn seriously, and the pinion gear will not mesh closely with the big gear eventually, so that the meshing clearance of the gear of the sawdust dryer will be damaged.
2. The wear of the gear wheel is serious. During the operation of sawdust drying machine, the main function of the retaining wheel is to ensure that the cylinder of the equipment can run round and round, and that the wheels, supporting wheels and big and small gears can wear uniformly in the full width. However, as long as the gear wheel is worn seriously, the cylinder will move irregularly, which will destroy the meshing clearance between the big and small gears of the sawdust dryer.
3. The wear of the supporting wheel is serious. There are many reasons for the wear of the supporting wheel of the sawdust dryer, such as bending deformation of the cylinder, unreasonable structure design, improper operation and maintenance, which are the important reasons for the wear of the supporting wheel. As long as the supporting wheel is worn seriously, the meshing clearance between the big and small gears of the sawdust dryer will be greatly destroyed.
In addition, with the long-term use of sawdust dryer, if the staff do not pay attention to the maintenance especially lubrication of various parts of the drying equipment, they can not add lubricating oil regularly to the gears, resulting in gear surface rust and other phenomena, it will also cause the gap damage between the big and small gears of sawdust dryer.

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