Which Fastening Accessories Fit A120 Steel Track?
Ensuring the stability of an A120 steel track requires a precision-engineered fastening system comprised of two core components: adjustable crane clips and reinforced rubber pads.
Because the A120 rail profile features a massive 220mm base width, it requires heavy-duty clips designed for high lateral force and high-density composite pads to distribute the significant wheel loads. A complete DIN536 A120 Rail System is not just about the rail itself, but the synergy between the steel, the fasteners, and the supporting structure.
To achieve a secure installation for your A120 crane tracks, focus on these primary accessories:
- Adjustable Rail Clips: These must be compatible with the DIN 536 A120 rail dimensions, typically featuring a "weldable" base and a bolted top with a rubber "nose" to allow for controlled longitudinal movement.
- Elastic Rail Pads: Specifically sized to match the 220mm base of A120 rails, these pads reduce stress on the crane girder and prevent the metal-on-metal wear known as fretting.
- Steel Soleplates: These provide a flat, level mounting surface for the A120 rail profile, essential for maintaining the alignment of the A120 overhead crane rail systems.
- Anchor Bolts and Levelling Shims: These ensure the baseplates/Steel Soleplates are securely anchored to the concrete or steel foundation, maintaining the precise gauge required for heavy crane wheels.
GNEE RAIL manufactures a comprehensive suite of A120 rail accessories that are custom-fitted to the exact geometry of the European Standard DIN 536 P1:1991. By controlling the production of both the rail and its fastening components, we ensure 100% compatibility and mechanical integrity.
How to Select the Correct Clips for A120 Crane Rail?
Selecting clips for the A120 rail profile is governed primarily by the rail's 220mm base width and the horizontal forces generated by the crane. For A120 heavy rails, the most common choice is the "weldable-type" adjustable clip. These clips consist of a lower base that is welded to the steel girder and an upper cap that is bolted down. This design provides the "self-locking" mechanism necessary to prevent the rail from shifting under the immense side-thrust of a gantry crane.
Common Models for A120 Rail
- W120 Rail Clip: A welded base fixing that offers low-profile construction.
| Rail Type | F (mm) | C (mm) | A (mm) | Rail Weight (kg/m) | Clip Reference for Rail with Pad | Clip Reference for Rail without Pad |
|---|---|---|---|---|---|---|
| A 120 | 220 | 120 | 105 | 100 | W120/21 (S) | W120/21 (H) |
- 7120 Rail Clip: A specific clamp for fixing A120 rail tracks.
| Model | X | Y(Full nut) | Y(Thin nut) | Z | Weight(kg) |
| 7120/15/40 | 40 | 51 | 45 | 29 | 1.25 |
- W20-221: Suitable for A100/A120/A150.
What Are the Material Requirements for A120 Rail Rubber Pads?
The rubber pads used beneath A120 steel rails are not simple spacers; they are high-performance vibration dampeners. For the DIN 536 A120 rail, the pad must be exactly 220mm wide to match the rail base. Standard thicknesses range from 7mm to 12mm. The material is typically a synthetic elastomer reinforced with a steel strip (for "MK6" type pads) to prevent the rubber from extruding under the high pressure of the A120 crane rail.
A high-quality pad serves three functions in the DIN536 A120 Rail System:
- it distributes the wheel load more evenly across the baseplates/Steel Soleplates;
- it reduces noise and vibration by up to 10-12 decibels;
- and it compensates for minor irregularities in the surface of the support girder;
Using the wrong pad material can lead to "rail tilting," which causes uneven wear on both the A120 rail profile and the expensive crane wheels.
Frequently Asked Questions
1. Can I use standard railway clips for A120 crane tracks?
No, standard railway clips (like E-clips or SKL clips) are designed for different load profiles. A120 rails require heavy-duty crane clips that can handle the specific 220mm base width and the high horizontal forces unique to gantry and overhead cranes.
2. How often should A120 rail clips be inspected?
For high-frequency industrial environments, we recommend a visual inspection of the A120 rail accessories every 3 to 6 months. Focus on checking for loose bolts, worn rubber noses on the clips, and any signs of the rubber pads extruding from under the rail.
3. What is the benefit of using steel-reinforced pads for A120 rails?
Steel-reinforced pads (like the MK6) prevent the "bow wave" effect that occurs as heavy crane wheels move along the track. The internal steel reinforcement ensures the pad maintains its shape and thickness under the massive weight of the A120 heavy rails.
4. Are the baseplates/Steel Soleplates always required?
Yes, for heavy-duty A120 rail profile installations, soleplates are essential. They provide a stable, level surface for the rail and protect the underlying concrete or steel girder from the concentrated stress of the rail fasteners.
5. How do I calculate the number of clips needed for my A120 rail system?
A general rule of thumb is to place a pair of clips every 600mm. For a standard 12-meter A120 rail, you would typically need 20 pairs (40 individual clips). However, this can vary based on the specific load requirements of your A120 overhead crane rail systems.
6. Can GNEE RAIL provide the welding kits for A120 rails?
Yes, we supply Alumothermic Welding kits for Rails specifically formulated for the A120 Crane Rail Material Composition. Using our matching kits ensures that the hardness and strength of the weld zone match the rest of the A120 steel rails.
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At GNEE RAIL, we provide the full spectrum of A120 rail accessories, from high-strength clips to steel-reinforced rubber pads, all designed to work seamlessly with our A120 steel rails. . Contact us to get a professional solution and receive a complete, engineered fastening package that ensures the safety and longevity of your A120 crane rail project.
