Because it is challenging to supply big and heavy-duty gears by forging, and because castings cannot be chosen to fulfill the performance requirements, the Large Gears on the ball mill are often built of cast steel.
The transmission components of ball mills are gears. The whole device will shut down if it is damaged. Therefore, the better, the longer the gears will last in service Manufacturers should select gears with good wear, impact, and strength resistance.
Some consumers who purchase customized gear items have a tendency to misinterpret and assume falsely that the harder the gear material, the more wear-resistant the gear is and the longer its service life.
Typically, we employ ZG45, ZG35, and 40Cr. Manufacturers typically heat the huge gear's tooth surface to further increase the hardness of the tooth surface in order to fulfill client specifications.
However, the tougher the gear, the less flexible it will be and the less resistant it will be to impacts, which can easily result in fractured teeth. not conceivable.
Large gears are also vulnerable to poor core organization and quenching fractures during the quenching and tempering process. Therefore, efforts to lessen the quenching stress are taken when the manufacturer is quenching and tempering in order to prevent quenching fractures.
It is quenched by water quenching, which produces core structure that is strong and rigid after deep quenching. To properly prevent the huge gear from quenching and cracking and to estimate the appropriate cooling time, experienced operators are needed.