Chongqing Hengtairail Equipment Co.,Ltd.
Global Rolling Stock Parts Supplier
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Solid-piece cast iron Wedge Friction for railway bogie
Product overview
A wedge is a simple device of triangular cross-section used for small adjustment in the position of a body or to apply large forces. Wedges mainly depend on friction when functioning.
Friction wedge is one of the spare parts of railway wagon. It’s installed onto wagon bogie anti-vibration device. Its function is to increase the slewing damping of the bogie and the car body, so that the car body can run safely and restrain the shaking and serpentine motion of the bogie and the car body.
material of friction wedges for the freight wagon bogies, :
Casting Alloy Steel
Grey Casting Iron
Austempered Ductile Iron(ADI)
Product Specification
| S.No. | Item | Value |
| 1 | Work temperature | -50℃ to 70 ℃ |
| 2 | Product material | ADI |
| 3 | Hardness | 39HRC-48HRC |
| 4 | Surfaceness | Clear edge burrs |
| 5 | Tolerance | GB/T 6414 |
| 6 | Standard | TB/T2813 |
Product advantages
• CRCC certification approved
• Good of high temperature resistance
• Good of wear-resisting performance
• Good of tensile strength
• Stable of friction coefficient
We Also Provide:
Specific products include:
· Wheel set: axle, wheel
· Bearing & axle box
· Spring & vibration control system: steel spring, rubber spring, air spring, leveling valve, shock absorber and other truck components
· Coupler & draft gear device
· Braking system that meet UIC & AAR requirements
· Passenger train facilities & equipment: window, handrail, luggage rack, seat, HVAC system, toilet, gangway, plug door, interior products
· Locomotive parts
Below is the structure of K5 bogie, it shows the installation location of the Friction wedge.