Description
Technical Parameters
Elastic Response Under Dynamic Loads
| Model No. | Elastic Modulus (GPa) | Dynamic Stiffness (kN/mm) | Elastic Recovery Rate (%) | Dynamic Deflection Limit (mm) | Resonance Damping Effect (%) | Cyclic Load Elasticity Retention (10⁶ Cycles) | Dynamic Fatigue Threshold (kN) | Core Elastic Advantage |
|---|---|---|---|---|---|---|---|---|
| E16-ER | 206-210 | 18-22 | ≥95 | ≤3.5 | ≥28 | ≥90 | ≥8.5 | Stable elasticity for low-speed dynamic loads |
| E18-ER | 208-212 | 22-26 | ≥96 | ≤3.2 | ≥32 | ≥92 | ≥9.8 | Balanced response for mixed passenger-freight cycles |
| E20-ER | 210-215 | 26-30 | ≥97 | ≤2.8 | ≥38 | ≥94 | ≥11.2 | High stiffness for high-speed repeated loads |
| E18-HD | 207-211 | 24-28 | ≥95.5 | ≤3.0 | ≥35 | ≥91 | ≥10.5 | Enhanced damping for heavy-haul impact cycles |
| E20-UR | 209-213 | 23-27 | ≥96.5 | ≤3.1 | ≥33 | ≥93 | ≥10.0 | Elastic stability for urban rail start-stop cycles |
Special Working Condition Adaptation & Custom Modifications
| Model No. | Target Special Condition | Custom Modification Content | Key Adaptation Parameter | Matching Custom Components | Modification Cost Premium (%) | Service Life in Target Condition (Years) | Core Custom Advantage |
|---|---|---|---|---|---|---|---|
| E16-EX | Desert Sandstorm Environments | Anti-Sand Infiltration Limb Design; Silicone Coating | Sand Resistance (≥1000h Sand Erosion Test) | Sealed Rail Shoulder Gaskets | +15 | 8-10 | Prevents sand-induced jamming |
| E18-EX | High-Altitude Thin-Air Environments | Low-Temperature Resistant Alloy Upgrade; Pressure-Compensated Structure | Elastic Retention (-40℃, ≥90%) | Oxygen-Resistant Fastener Kits | +22 | 10-12 | Stable performance at 3000m+ altitude |
| E20-EX | Coastal Salt-Fog + High-Humidity Environments | Duplex Anti-Corrosion Coating; Sealed Joint Design | Salt Spray Resistance (≥2000h) | Corrosion-Resistant Rail Pads | +28 | 12-15 | Dual protection against salt + moisture |
| E18-MT | Mountain Railway Steep Slopes | Reinforced Limb Thickness; Anti-Slip Contact Surface | Lateral Load Resistance (≥12kN) | Slope-Specific Rail Clamps | +18 | 9-11 | Prevents rail creep on ≥30‰ slopes |
| E20-CT | Tunnel High-Temperature + Vibration Environments | Heat-Resistant Material (≤120℃); Vibration-Absorbing Limb Structure | High-Temp Elastic Retention (≥88%) | Tunnel-Specific Noise-Reduction Pads | +25 | 11-13 | Withstands tunnel thermal cycling |
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