The Hitachi Zaxis ZX ZH200, 210, and 225-5-6 Series Track Idler Wheel is engineered to withstand the rigors of heavy construction work.
It is typically constructed from high-strength steel, often with specialized heat treatment to enhance durability. The wheel's design incorporates precision machining to ensure precise fitment within the undercarriage system.
Function:
The primary function of the idler wheel is to support the weight of the excavator and maintain proper tension on the track chain. It does this by providing a stable point of contact for the track links, preventing excessive slack or sag in the tracks. This ensures that the tracks stay in alignment and reduce wear on both the tracks and other undercarriage components.
Features:
Sealed Bearings: Many modern idler wheels come equipped with sealed bearings to protect against dirt, debris, and moisture infiltration. This prolongs the life of the bearings and reduces maintenance requirements.
Adjustability: Some idler wheels are designed to be adjustable, allowing for fine-tuning of track tension. This feature is particularly useful for maintaining optimal track tension as the tracks wear over time.
Abrasion Resistance: The idler wheel is subjected to a considerable amount of abrasion due to contact with the track links. To combat wear, these wheels often feature hardened surfaces or specialized coatings.
Compatibility:
The Hitachi Zaxis ZX ZH200, 210, and 225-5-6 Series Track Idler Wheel is specifically designed to fit these particular series of Hitachi excavators.
Compatibility is crucial to ensure that the idler wheel operates smoothly within the machine's undercarriage system.
Importance:
The idler wheel is a critical component of the excavator's undercarriage system for several reasons:
Load Distribution: It helps distribute the weight of the excavator evenly across the track chain, reducing stress on individual components.
Track Tension: Proper tension is essential for maintaining the integrity of the track chain. The idler wheel plays a key role in achieving and maintaining this tension.
Track Alignment: By guiding the track chain, the idler wheel ensures that the tracks remain properly aligned with the sprocket and other undercarriage components. This alignment is crucial for efficient and safe operation.
Reduced Wear: When the idler wheel operates effectively, it reduces wear on the tracks and other undercarriage parts. This can lead to cost savings over the lifespan of the excavator.
Smooth Operation: A well-maintained idler wheel contributes to the smooth operation of the excavator, enhancing operator comfort and productivity.
