Hitachi ZAX120-6 Rotary Reducer

4 month ago

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3 year

Product details

The Hitachi ZAX120-6 Rotary Reducer/Rotary Gearbox, an essential component of the Hitachi construction machinery's excavator, primarily facilitates the excavator's slewing action. Below is a detailed explanation of its specific content:

I. Basic Function

The rotary reducer/rotary gearbox serves as the core component of the excavator's slewing platform, responsible for transmitting power from the engine to the slewing mechanism, enabling the upper structure of the excavator to rotate 360 degrees around the lower structure, thereby expanding the excavation range and improving operational efficiency.

II. Structural Characteristics

1. Gear Transmission: High-precision gears are used internally for transmission, ensuring smooth and accurate slewing actions.

2. Lubrication System: A dedicated lubrication system is equipped to reduce friction and wear between gears, extending service life.

3. Sealing Performance: It exhibits excellent sealing performance, preventing dust, moisture, and other impurities from entering the reducer, which could affect its normal operation.

III. Performance Parameters

The performance parameters of the Hitachi ZAX120-6 rotary reducer/rotary gearbox may include transmission ratio, maximum torque, rated speed, etc. These parameters directly influence the excavator's slewing performance and operational efficiency. Specific parameters may vary due to different batches or manufacturer adjustments. It is recommended to refer to Hitachi Construction Machinery's official documentation or consult professional maintenance personnel for accurate information.

IV. Maintenance and Servicing

Regular maintenance and servicing are essential to ensure the normal operation of the Hitachi ZAX120-6 rotary reducer/rotary gearbox. This includes checking gear wear, replacing lubricants, cleaning internal impurities, etc. Additionally, during use, care should be taken to avoid overload operation and abnormal impacts to extend its service life.

V. Troubleshooting

If the Hitachi ZAX120-6 rotary reducer/rotary gearbox malfunctions, such as abnormal noises, vibrations, or oil leaks, it should be immediately shut down for inspection and professional maintenance personnel should be consulted. Possible causes of failure may include gear damage, bearing wear, seal aging, etc. Depending on the specific situation, relevant components may need to be repaired or replaced.

In summary, the Hitachi ZAX120-6 rotary reducer/rotary gearbox is a crucial component of the excavator, and its performance directly affects the excavator's operational efficiency and service life. Therefore, during use, maintenance and servicing should be strengthened, and faults should be promptly addressed to ensure its normal operation.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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