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JonathasThe coupler they suggested are quite suitable to replace old ones. Price is reasonable, and looking forward to receive the thhem.
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JoseThe DF8B spare parts I got are all correct. Lead time is fast, and anytime I have problems, Sunny are always here to help me. Thanks her a lot,and looking forward to our future cooperation again.
ADI Friction Railroad Wedge CRRC Railway Casting Parts For Railway Rolling Stock

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xProduct Name | Friction Wedge | Material | ADI |
---|---|---|---|
Certification | CRRC | Hardness | 39HRC-48HRC |
Surfaceness | Clear Edge Burrs | Tolerance | GB/T 6414 |
Highlight | ADI Friction Railroad Wedge,Friction Railroad Wedge CRRC,Railroad Wedge Railway Casting Parts |
Product overview
Friction Railroad Wedge is one of the spare parts of railway wagon. The Friction Railroad Wedge is installed on 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.
With high temperature resistance and wear resisting performance, good tensile strength and stable friction coefficient, the friction railroad wedge has a long service life and good performance.
Material of friction wedges:
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 |
Below is the structure of K5 bogie, it shows the installation location of the Friction wedge.
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