Railway SKL Clip (Spring Clip Fastener)
| Category | Specification | Details / Value |
|---|---|---|
| Product Name | Railway SKL Clip (SKL Type Tension Clip) | |
| Primary Function | To generate a precise, high clamping force on the rail foot, ensuring longitudinal and lateral restraint within a modular rail fastening system. | |
| Design Principle | A double-wire spring clip made from two parallel rods, bent into a specific geometric shape. It is anchored at one end and tensioned (deflected) at the other to apply the load. | |
| Key Design Feature | Modular System Integration | Designed as a core component of the "SKL" modular fastening system, which includes a shoulder, anchor block, and insulator. |
| Two-Stage Stiffness | Exhibits an initial softer deflection for easy installation, followed by a stiffer response to provide high toe load under service conditions. | |
| Toe Load | High and consistent. Typical design toe load ranges from 10 kN to 15 kN per clip. | |
| Material | High-Carbon Spring Steel (e.g., 60Si2MnA, 55Cr3) with exceptional fatigue strength. |

System Advantages
| High Rail Restraint | Provides superior resistance to rail rotation and longitudinal movement, crucial for stability in high-speed and heavy-axle-load applications. |
| Adjustability | The modular system allows for easy adjustment of rail cant (inclination) by using different insulator pads. |
| Electrical Insulation | Integrated plastic insulators ensure perfect electrical isolation for track circuit signaling systems. |

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