The CAT320 Link Is Mainly Characterized By Its Structural Design
Cat320 link Model： Cat320 Weight：85kg
Description
CAT320 Link: Precision-Engineered Transmission Core for Caterpillar CAT320
As an efficient transmission hub with precise matching, the CAT320 Link features a bionic mechanical structure specifically tailored for the Caterpillar CAT320 excavator. Seamlessly integrating with the machine's entire transmission system, this component is critical to delivering flexible bucket movement and high operational efficiency. Manufactured to replicate original factory dimensional standards, the CAT320 Link maintains hole position tolerance within ±0.5mm-enabling direct, modification-free installation that ensures a precise, error-free connection with the small arm cylinder and bucket, delivering peak transmission efficiency.
In structural design, the CAT320 Link adopts an I-shaped core load-bearing framework, reinforced by connecting side plates and integrated horizontal support plates. One end of the horizontal plate connects tightly to the long sleeve, while the other features a concave arc open design-balancing structural stability with effective weight reduction. By adding reinforcing connecting rods near the short sleeve, the CAT320 Link forms a multi-directional load-bearing support system that boosts torsional strength by over 30%. This design efficiently disperses concentrated stress during excavation, preventing local wear and deformation even under rigorous working conditions.
Inside the CAT320 Link, a high-precision shaft sleeve is fitted with evenly distributed hemispherical oil storage grooves, enabling long-term lubrication that minimizes friction between the pin shaft and sleeve while reducing maintenance frequency. Constructed from Q345B steel-boasting a symmetrical cycle fatigue limit (σ-1) of approximately 200-220 MPa-the component's material properties complement its optimized structure. This synergy ensures continuous, stable performance during high-frequency, high-intensity operations, significantly
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