Kingrail railway bogie inner springs are precision-manufactured coil springs used inside the outer spring of railway suspension systems. As part of the combined spring assembly, the inner spring helps share vertical loads, improve suspension stability, and increase the overall reliability of the bogie system.
The inner spring plays an important role in absorbing vibration and impact generated during railway operation. It helps reduce stress on the bogie frame, axle box, wheelset, and other connected components, improving running safety and passenger comfort while extending the service life of the vehicle suspension system.
Kingrail can produce railway inner springs based on customer drawings, technical parameters, or samples. Available materials include 60Si2CrVA, SUP9A, SUP10, 50CrV4, and other equivalent spring steel materials. Each spring can be processed with proper heat treatment, surface finishing, and anti-corrosion protection according to customer requirements.
Product Advantages:
- High elastic performance and stable load response
- Excellent resistance to fatigue and deformation
- Accurate dimensions for reliable assembly
- Suitable for use with matching outer springs
- Customizable material, size, load capacity, and coating
- Reliable performance for railway rolling stock applications
Inspection Items:
- Raw material verification
- Free height and outer diameter inspection
- Wire diameter inspection
- Load-deflection test
- Hardness test
- Surface crack and defect inspection
- Packaging inspection before delivery
Applications:
- Railway bogie spring groups
- Locomotive suspension systems
- Freight wagon suspension
- Passenger coach suspension
- Metro and urban rail vehicles
Kingrail inner springs are suitable for both new rolling stock production and railway maintenance replacement projects.
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Railway Bogie Inner Spring From Kingrail Images
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