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Rail Track H-Pads and Turnout Plates

What are Rail Track Pads?

 

Rail pads, originally called “sole” plates or pads, are used as the interface between the rail and the sleeper when rail is attached to concrete, rather than timber, ties or sleepers. Their function is to reduce fatigue cracking of the concrete, which is driven by impact and vibration from the passing train. 

Benefits of Plastic Bushes & Bearings vs Other Bearings 

 

  • Cost Effective – Polsytone 300 is a low cost material that can be cost effectively machined on CNC Routers into finished parts, as well as injection moulded where the production volumes are higher, 

  • UV and Weather Resistant – Polystone 300 is UV stabilized providing long service life when exposed to the elements. 

  • Reduced wear – Polystone 300 provides good wear and abrasion resistance to protect the concrete sleeper. 

 

Dotmar has qualified engineers that can provide direct support with engineering plastic design support. 

Common Types of H-Pads and Turnout Plates
Material Selection Considerations

Material selection is a critical consideration when choosing a plastic for Rail Track Pads, as it directly impacts the performance, durability, and maintenance requirements of these components. Here are some key material selection considerations for plasic Rail H-Pads and Turnout Plates: 

  • Mechanical Properties 

     

    The material must not only be strong enough to withstand the loads, but also have the correct combination of strength, toughness and elasticity to provide the vibration and shock dampening, without excessive movement, strain or creep. 

  • Wear and Abrasion 

     

    The pads and plates are designed to protect the concrete sleepers, and are subject to wear and abrasion, which must be a consideration in material selection. 

  • Commerce 

     

     

    Due to the high volume of parts, the commercial cost / benefit of a material is also an important factor in the material selected. 

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Dotmar Engineering Plastics stands poised to address your unique challenges. Harness our expertise for bespoke engineering plastic solutions tailored to your specifications.

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