The running state of the gear shaft of the reducer of the three fully mechanized mining machine is directly related to the efficiency and safety of coal mining.Therefore,it is of great practical significance to study the prevention and maintenance management of tooth shaft damage of the third reducer.Based on this,this paper analyzes the corresponding prevention and management measures from the types and causes of the damage of the gear shaft of the third full-mechanized mining unit,in or-der to provide strong support for the safe production and efficient operation of coal enterprises.
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