NMR Ra 50 Railway Wear Plate - High Polymer Composite Material with 4mm Rub Layer and 216MPa Tensile Strength
Price:
USD10-30 / PC
MOQ:
200pcs
Delivery Time:
15-50 days, depends on QTY
Brand:
ht
Product Description
Product Overview
The NMR Ra 50 Railway Casting Parts High Polymer Composite Material wedge main wear plate is a critical spare part for railway wagons. Installed on the friction wedge of wagon bogie anti-vibration devices, it enhances slewing damping between the bogie and car body, ensuring safe operation while effectively restraining shaking and serpentine motion.
Manufactured using specialized high-polymer composite materials and techniques for railway freight car applications, this wear plate maintains stable friction coefficients with minimal abrasion loss. It performs reliably across various environmental conditions and temperatures without damaging opposing surfaces.
Technical Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | -50℃ to 70℃ (-58℉ to 158℉) |
| Material | High-polymer composite material |
| Hardness | 39HRC to 48HRC |
| Surface Roughness | NMR Ra 50 |
| Flatness Tolerance | 0.7mm |
| Rub Layer Thickness | ≥4mm |
| Storage Time | ≤24 months |
Performance Advantages
- CRCC certification approved for railway applications
- Excellent high temperature resistance up to 270℃
- Superior wear resistance with minimal abrasion loss (1×10⁻⁸)
- High tensile strength reaching 216MPa
- Stable friction coefficient of 0.25
- Strong adhesive force between layers (63kN) for extended service life
- Enhanced connection strength with umbilical shear force up to 88MPa
- Environmentally friendly asbestos-free composition
Product Structure & Installation
The friction plate consists of three main components: strength layer, navel, and rub layer, designed for optimal performance and durability in railway applications.
The diagram below illustrates the installation location of the wear plate within the K5 bogie assembly, showing its critical role in the anti-vibration system.
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Company
Chongqing Hengtairail Equipment Co.,Ltd.
Location
A1-3-1, Xinrui Zone, No. 25-1-3, Keyuan 1st Street, Jiulongpo District, Chongqing
Contact Person
Wei Dong