XCMG Loader Hollow Bolt (400402597): Core Functions & Machining Details
Weight Optimization: Hollow structure reduces component mass by ~30% while maintaining axial load capacity (≥10.9 grade tensile strength).
Vibration Damping: Mitigates high-frequency vibrations in powertrain systems, protecting adjacent components from fatigue damage.
Corrosion Resistance: Critical for wet or chemically exposed environments, extending service life by 2-3x vs. standard bolts.
Key Machining Processes:
Material Selection: Forged from ASTM A182 F55 alloy steel, heat-treated to HRC 28-32 for balanced strength/ductility.
Surface Engineering: Dacromet coating (8-12μm thickness) applied via electrodeposition, achieving 500+ hours in neutral salt spray tests.
Quality Verification: 100% magnetic particle inspection for micro-cracks and pressure testing at 52.5MPa (1.5x rated load).
Product Deatials
| Part Name | Hollow Bolt | Part Number | 400402597 |
| Model | LW180K.2-4 | Application | XCMG Loader |
| Package Size | / | GW | 0.7KG |
| MOQ | 1 PC | Brand Name | CBP |
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