Nabla Clip rail fastening system
Technical Parameters for ONE unit of Nabla Clip rail fastening system
|
Nabla Clip |
Insulator |
Screw Spike |
Spring Washer |
|
Pieces Required |
2 |
2 |
2 |
|
Material |
60Si2MnA, 60Si2CrA |
Reinforced Nylon 66 (PA66) |
Grade5.6:35# |
|
Size |
4mm or 4.5mm thick |
|
UIC54,UIC60,50kg rail,60kg rail |
|
|
42-47HRC 3 million times without breaking;
Application for different rail type |
Density:1.3-1.45g/cm3 Tensile strength:≥170Mpa Elongation:≤4.4% Bending Strength:≥250Mpa Impact Strength(No gap):≥80KJ/m2 Melting point:250-270℃ Insultionresistance:≥1X108Ω Glass fiber content:30-35% Hardness:≥110HRR |
Tensile strength:≥500Mpa Yield strength:≥300Mpa Elongation:≥20% Cold bending:90 degree without crack |
General Technical Specifications:
Material: High-Carbon Spring Steel (e.g., 1.8159 / 60Si2CrA)
Heat Treatment: Quenched & Tempered
Surface Finish: Typically Yellow Zinc Chromate plating or Epoxy Coating for corrosion protection.
Locking Mechanism: Requires a wedge (lock pin) to secure it in the sleeper shoulder.
Function: To generate a high, constant toe load (clamping force) on the rail foot, preventing longitudinal and lateral movement.
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