Maintenance and Replacement of Rail Clips

Rail elastic clip is used to fasten the rails to the underlying base plate together with the concrete sleeper. Usually rail clips are made of forged spring steel which is produced by hot forging process. Because of the uniform microstructure of forged clips, it is considered to be better than other metal forming process.

Maintenance and Replacement of Rail Clips

Maintenance and replacement of rail clips are essential to ensure the safety and longevity of railway systems. Rail clips can become worn or damaged over time due to a variety of factors, including weather conditions, heavy usage, and exposure to harsh chemicals. In this section, we will explore the importance of maintenance and replacement, the factors that affect the lifespan of rail clips, and how to inspect and replace them when necessary.

Regular maintenance and replacement of rail clips are critical for the safety and reliability of railway systems. Worn or damaged rail clips can compromise rail stability and lead to derailments, posing a significant risk to passengers and railway workers. By inspecting rail clips regularly and replacing them when necessary, railway operators can ensure the safe and smooth operation of their systems.

Several factors can affect the lifespan of rail clips, including exposure to extreme weather conditions, heavy usage, and exposure to harsh chemicals. Over time, these factors can cause the rail clips to become worn or damaged, compromising their effectiveness and potentially leading to safety hazards.

To inspect rail clips for wear and damage, operators should visually inspect them regularly. Signs of wear and damage can include cracking, rusting, or deformation of the components. If any of these signs are present, the rail clip should be replaced immediately to ensure the safe and reliable operation of the railway system.

To replace worn or damaged rail clips, several steps should be followed. First, the rail clip should be removed from the rail using appropriate tools. Next, the baseplate and insulator should be cleaned and inspected for wear and damage. Finally, the new rail clip should be installed following the same process as the initial installation, including attaching the baseplate and clamp plate, inserting the wedge, and ensuring that the rail is securely clamped in place.

Types of Rail Clips

Elastic Rail Clips:

These are the most widely used rail clips worldwide. They are made of high-grade spring steel, and they provide excellent elasticity and shock absorption. Elastic rail clips are suitable for both light and heavy railway systems and can withstand high dynamic loads and vibrations.

SKL Rail Clips:

These rail clips are widely used in European countries, particularly Germany. They are made of cast iron or ductile iron, and they are known for their high clamping force and reliable performance. SKL rail clips are suitable for all types of rails and are designed to withstand heavy axial and lateral loads.

KPO Rail Clips:

These rail clips are widely used in Asian countries, particularly China. They are made of high-quality spring steel and provide excellent resilience and elasticity. KPO rail clips are suitable for both heavy and light railway systems and are designed to withstand high dynamic loads and vibrations.

Nabla Rail Clips:

These rail clips are designed for use with grooved rails, particularly tramways and light rail systems. They are made of high-quality steel and provide excellent elasticity and shock absorption. Nabla rail clips are suitable for all types of rails and are designed to withstand high dynamic loads and vibrations.

PR Rail Clips:

These rail clips are widely used in North America, particularly in the United States. They are made of high-grade spring steel and provide excellent resilience and elasticity. PR rail clips are suitable for both heavy and light railway systems and can withstand high dynamic loads and vibrations.

Deenik Rail Clips:

These rail clips are widely used in South Africa, particularly in the mining industry. They are made of high-grade spring steel and provide excellent resilience and elasticity. Deenik rail clips are suitable for heavy railway systems and can withstand high dynamic loads and vibrations.

Production Processes of Elastic Rail Clips:

• Rail clip processing procedures includes:
• Raw material purchasing
• Shearing
• Heating to forging temperature
• Forming
• Hardening
• Tempering
• Surface treatment
• Inspection-Packing

To produce rail clips usually use spring steel bar as the raw materials, before heating, raw materials must be sheared according to the length required. Then they are heated to 950℃ to 1000℃, next works transfer the heated bar to power press for forging, in accordance with drawing three sets of dies and fixtures are kept before hammering. The following procedure is to convey the forged rail clips to quenching tank. Then check the dimensional accuracy and quench hardness of the rail clips. The next procedure is tempering to achieve appropriate toughness in the spring. And the final step is to pack the rail clips after serious inspection.

GNEE RAIL as the largest rail clip and clamp production base in China, which has been qualified to tender medium and large scaled railway projects. In addition, GNEE RAIL is approved elastic rail clip manufacturer by China's Railway Ministry and has been ISO9001-2008 certified. Our rail clip product is ideal for rail track assembly for advantages of easy fitment while track laying; economical maintenance; long durability and lifespan; fast replacement.

For more information – Get in touch now!