318303105 steel pipe assembly XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Steel Pipe Assembly (Part No. 318303105): The System-Level Power Network for Heavy-Duty Transmission

In the global heavy-duty construction field of mining engineering, the XCMG XE2000 excavator, with its 192-ton operating weight, powerful 810kW engine, and ultra-large bucket capacity of 10-14m³, has become the “power core” of mining operations. From the high-altitude hard rock mining areas of the Democratic Republic of Congo to the open-pit coal mines of Australia, it consistently conquers extreme working conditions with its stable and efficient performance. Within its complex fluid transmission system, the steel pipe assembly (part no. 318303105), as the “system-level power network,” is a core component cluster ensuring the precise transmission of media from multiple systems, including hydraulics and cooling.

I. Core Responsibility for Multi-System Coordinated Transmission

High-Pressure Hydraulic Efficiency Transmission: The XE2000’s hydraulic system operates at pressures up to 35MPa. The steel pipe assembly (318303105), through integrated piping design, constructs a complete transmission network of main and control oil circuits, connecting the hydraulic pump, main valve, and actuators such as the boom and stick. Its optimized pipe diameter ratio and pipeline routing can control pressure loss to within 3%, ensuring that hydraulic energy is efficiently converted into mechanical power under heavy-duty conditions in hard rock excavation, avoiding sluggish action due to insufficient pipeline transmission efficiency.

Multi-Media Coordinated Transport: This steel pipe assembly integrates the transmission functions of multiple media such as hydraulic oil, coolant, and lubricating oil, achieving independent transport of different media through zoned piping design. In extreme temperature environments ranging from -30℃ to 50℃, the components utilize differentiated material piping to meet the low-temperature fluidity requirements of hydraulic oil and the high-temperature heat dissipation requirements of coolant, ensuring no solidification at low temperatures and no boiling at high temperatures, providing reliable media support for the coordinated operation of the engine and hydraulic system. In high-humidity mining environments, it effectively prevents cross-contamination between different media and pipe corrosion.

II. Superior Performance Designed for Heavy-Duty Systems

High-Strength Materials and Integrated Processes: To meet the heavy-duty requirements of the XE2000, the main body of the steel pipe assembly (318303105) is made of high-strength seamless alloy steel pipe with a tensile strength exceeding 650MPa. Key bending parts employ cold-bending forming technology to avoid welding stress concentration. Pipeline interfaces use precision forged flanges and spherical sealing structures, with a sealing surface flatness error ≤0.02mm, achieving zero leakage under 35MPa pressure. The surface undergoes a double anti-corrosion treatment with a zinc-nickel alloy plating and a sealing paint, achieving a salt spray test rating of over 1200 hours, far exceeding industry standards.

Optimized layout for overall machine coordination: XCMG engineers used digital twin technology to simulate the machine’s operating conditions, designing a piping layout for the steel pipe components that is highly compatible with the XE2000’s structure. The piping clusters are fixed with dedicated supports, maintaining a safe distance from the movement trajectories of the boom and slewing platform, controlling vibration amplitude to within 0.5mm. Key components employ flexible connection compensation designs to absorb vibration energy during equipment operation, increasing the fatigue life of the piping system by over 60% and effectively preventing failures caused by vibration wear.

III. Quality and Service Assurance Under Rigorous Testing

System-Level Performance Limit Verification: Every steel pipe assembly (318303105) undergoes system-level testing before leaving the factory: a water pressure burst test at 2.5 times the working pressure (60 minutes without leakage), a high and low temperature cycle test from -40℃ to 120℃ (800 cycles without cracking), a 1.5 million-cycle vibration fatigue test (simulating 10 years of working conditions), and a multi-media compatibility test (500 hours of immersion in a mixture of hydraulic oil and coolant without corrosion). Comprehensive testing ensures the long-term reliability of the assembly under extreme working conditions.

Under the operational philosophy of “system synergy equals efficiency” in mining construction, the XCMG XE2000 excavator steel pipe assembly (part number 318303105) safeguards the efficient operation of multiple systems in the equipment with its system-level transmission performance. Choosing this original equipment manufacturer (OEM) customized assembly not only reduces the risk of pipeline system failures but also improves the overall power transmission efficiency of the equipment, continuously creating value for mining production. Let XCMG’s original factory quality be the core guarantee for your heavy-duty construction.

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318302434 engine air intake system XCMG XE2000 excavator spare parts

1 318303104 2 STEEL PIPE
2 329900303 32 THICKENED FLAT WASHER
3 805006412 30 BOLT M12×30 GB/T5783-2000
4 329900601 2 U-SHAPED PIPE CLAMP
5 805338279 12 WASHER 10 GB/T97.1-2002
6 805011330 14 BOLT M10×25 GB/T5783-2000
7 329900302 12 THICKENED FLAT WASHER
8 805238372 12 NUT M12 GB/T6170-2000
9 318805404 4 HOOP
10 318303249 1 PRESSURE PLATE
11 800163868 8 HOOP
12 800158171 1 TUBE
13 800163863 6 HOOP
14 318303105 1 STEEL PIPE ASSEMBLY
15 800171548 2 TUBE
16 800166844 4 TUBE
17 800160501 2 CHECK VALVE