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Railroad Embedded Rail Shoulder
One-stop Rail Shoulder Factory in China The Railroad Embedded Rail Shoulder is a structural component designed for direct-fixation and embedded rail systems, providing precise lateral restraint and long-term track stability. These engineered shoulders integrate seamlessly with concrete...
Features
One-stop Rail Shoulder Factory in China
The Railroad Embedded Rail Shoulder is a structural component designed for direct-fixation and embedded rail systems, providing precise lateral restraint and long-term track stability. These engineered shoulders integrate seamlessly with concrete foundations to create durable, low-maintenance track connections.
Technical Specifications
| Parameter | Standard Shoulder | Heavy-Duty Shoulder | Insulated Shoulder |
|---|---|---|---|
| Material | Duplex Stainless Steel (1.4462) | Forged Carbon Steel (42CrMo4) | Glass-Fiber Reinforced Polymer |
| Load Capacity | 30kN lateral | 45kN lateral | 20kN lateral |
| Embedment Depth | 150mm | 180mm | 120mm |
| Corrosion Resistance | CR4 (1000h salt spray) | CR3 (500h salt spray) | CR5 (unaffected) |
| Temperature Range | -40°C to +80°C | -30°C to +120°C | -50°C to +140°C |
Design Features
Precision Alignment System
Machined guide slots (±0.3mm tolerance)
Laser-etched positioning marks
Pre-set cant adjustment (1:20 or 1:40)
Vibration Management
Tuned mass dampers (optional)
Frequency-selective elastomer pads
Resonance control geometry
Smart Shoulder Options
Strain gauge embedded: Real-time load monitoring
RFID tagged: Maintenance history tracking
Corrosion sensors: Early warning system
Installation Process
Concrete Pour Method
Template Positioning
Align with track centerline (±1mm)
Verify elevation with laser level
Embedment
Secure with temporary bracing
Pour concrete (vibration <2mm amplitude)
Maintain 28-day cure before loading
Rail Installation
Insert rail with ±3mm lateral adjustability
Torque fasteners to 350 Nm (stainless) / 450 Nm (steel)
Retrofit Installation
Core Drilling
Diamond bit drilling (HSS-5 grade)
10mm over-size diameter
Epoxy Bonding
High-modulus epoxy injection
72-hour cure period
Final Alignment
Hydraulic micro-adjustment
Post-installation survey
Performance Data
Lateral Stability
Maintains gauge within ±1.5mm under 25-ton axle loads
Fatigue Life
10 million load cycles at 35kN
Electrical Isolation
>1,000V DC resistance (insulated types)
Creep Resistance
<0.5mm/year longitudinal movement
Our Service Processes
Pre-sales Consultancy
1
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Confirmation of order
2
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Production
3
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Multi-Channel Shipping
4
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Confirmation of recei
5
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After-sale Services
6
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