OEM HITACHI EX-5 SERIES SWING DEVICE SLEW BOX RING GEAR | Tonkee®

The Swing Device Slew Box Ring Gear is engineered with precision and constructed from high-quality materials to withstand the demanding conditions of heavy-duty construction and excavation work.

Typically, this gear is made from high-strength alloy steel or similar durable materials to ensure longevity and reliability.

Dimensions and Size:

The dimensions of the Swing Device Slew Box Ring Gear can vary depending on the specific model and size of the Hitachi excavator within the EX-5 Series. These dimensions are carefully designed to ensure a precise fit within the slew box assembly. The size and weight of the ring gear are crucial factors to ensure proper balance and operation of the excavator.

Teeth and Tooth Profile:

One of the most critical aspects of the Swing Device Slew Box Ring Gear is its tooth profile. The gear is equipped with a set of precisely machined teeth that mesh with the complementary pinion gear. The tooth profile is designed for optimal torque transmission and minimal friction, ensuring efficient rotation of the upper structure. The number of teeth and the pitch diameter of the ring gear can vary between different models to meet the specific operational requirements of each excavator.

Heat Treatment and Durability:

To enhance the durability and strength of the ring gear, it typically undergoes heat treatment processes such as induction hardening or carburizing.

These processes harden the surface of the gear teeth while maintaining a tough and resilient core. This treatment ensures that the ring gear can withstand the substantial loads and stresses encountered during excavation operations.

Mounting and Installation:

The Swing Device Slew Box Ring Gear is designed to be easily integrated into the slew box assembly of the Hitachi excavator. It features mounting holes and other necessary features that facilitate its secure installation. Proper installation is crucial to ensure the smooth and reliable operation of the excavator's swing mechanism.

Maintenance and Lubrication:

Like all mechanical components, the Swing Device Slew Box Ring Gear requires regular maintenance to ensure its continued performance. Proper lubrication of the gear teeth is essential to minimize wear and reduce friction during operation. Regular inspections and lubrication schedules are typically recommended by Hitachi to keep the gear in optimal condition.

Operational Significance:

The Swing Device Slew Box Ring Gear is a critical component of the excavator's swing mechanism. It allows the upper structure of the excavator, including the boom, arm, and bucket, to rotate horizontally, enabling precise positioning and digging operations. The reliability and performance of this gear directly impact the productivity and efficiency of the excavator on the job site.

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