Description
Technical Parameters
Core Mechanical Properties & Material Specifications
| Model No. | Material Grade | Diameter (mm) | Tensile Strength (MPa) | Yield Strength (MPa) | Surface Hardness (HRC) | Buckling Pressure (kN) | Fatigue Life (Cycles) | Core Mechanical Advantage |
|---|---|---|---|---|---|---|---|---|
| SKL1 | 60Si2Mn | 16 | ≥1300 | ≥1150 | 42-45 | ≥8.0 | ≥3×10⁶ | Balanced strength for local railways |
| SKL3 | 60Si2CrA | 18 | ≥1400 | ≥1200 | 43-46 | ≥9.0 | ≥3.5×10⁶ | Vibration-damping for urban subways |
| SKL12 | 60Si2Mn | 13 | ≥1500 | ≥1250 | 44-48 | ≥9.5 | ≥5×10⁶ | High dynamic load resistance for high-speed rail |
| SKL13 | 38Si7 | 20 | ≥1600 | ≥1300 | 45-47 | ≥10.5 | ≥4×10⁶ | Heavy-load tolerance (axle load ≥30t) |
| SKL15 | 60Si2CrA | 19 | ≥1550 | ≥1300 | 44-47 | ≥10.0 | ≥4.5×10⁶ | Precision stability for ballastless track |
Gauge Adjustment Capacity & Application Adaptation
| Model No. | Gauge Adjustment Range (mm) | Adjustment Method | Compatible Track Type | Axle Load Adaptation (kN) | Key Application Scenario | Installation Efficiency (Min/Unit) | Maintenance Accessibility | Core Adaptation Advantage |
|---|---|---|---|---|---|---|---|---|
| SKL1 | ±2 | Pad Thickness | Local Railway | ≤200 | Low-traffic lines | 2.0-2.5 | Standard | Cost-effective for small transport volume |
| SKL3 | ±3 | Composite Pad | Urban Subway | ≤220 | Vibration/noise reduction | 1.8-2.2 | Easy | Dual-spring design for urban rail |
| SKL12 | ±2.5 | Preload Tuning | High-Speed Railway | ≤260 | 300km/h+ operations | 1.5-2.0 | Moderate | Stable for high-frequency dynamic loads |
| SKL14 | ±4 | Guide Plate Replacement | Heavy-Haul Railway | ≤350 | Frequent adjustment needs | 1.0-1.5 | High (Quick-disassembly) | Easy replacement for heavy-duty lines |
| SKL15 | ±3 | Pre-embedded Casing | Ballastless Track | ≤280 | CRTS-III track plates | 1.2-1.8 | Precision-based | High-installation accuracy for slab tracks |
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