380603414 XCMG GR2605 motor grader axle

380603414 XCMG GR2605 motor grader axle

The 380603414 pin is a core connecting and load-bearing component in the articulation parts of engineering machinery. It is used to achieve the rotational connection and load transfer of moving parts, suitable for heavy-duty and high-frequency operating conditions.

Core Functions and Roles

Connection and Positioning: As the connecting shaft of the articulation part, it achieves the rotational connection of two components, ensuring precise coaxiality of the connection.

Load Transfer: It bears and transmits radial loads, impact loads, and axial forces during operation, ensuring the stability of the structural connection.

Rotational Support: It provides a fulcrum for the rotation of moving parts, ensuring flexible and smooth rotation during equipment operation.

Stress Dispersion: It evenly distributes stress concentration at the articulation part, preventing excessive localized stress that could lead to deformation or fatigue damage.

Key Technical Parameters

Model: 380603414
Name: Pin
Material: High-strength alloy steel (heat treated, high toughness, fatigue resistance)
Suitable Scenarios: Excavators, loaders, construction machinery articulation parts, moving component connections
Operating Temperature: -40℃～+200℃
Core Features: High strength, wear-resistant and impact-resistant, flexible rotation, strong load-bearing capacity

Common Faults and Troubleshooting

Fault Symptoms: Pin bending deformation, surface wear, fatigue cracks, loose connection, rotational jamming;
Troubleshooting Points: Stop the machine and check the pin’s appearance for wear and deformation, check the fit clearance, and judge the condition based on abnormal operating noises. If abnormal, stop use immediately and replace the pin.

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