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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. -
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.
1200mm High Train Coil Springs UIC822 Bolster Spring Replacement
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x| Name | Railway Secondary Coil Spring | Process | Cold Or Hot |
|---|---|---|---|
| Hardness | 45HRC-51HRC | Standard | UIC822 |
| Direction | Right Or Left | Max Wire Diameter | To 80mm |
| Max Height | To 1200 Mm | KU | ≥10J |
| Highlight | 1200mm High train coil springs,train coil springs UIC822,UIC822 Bolster Spring Replacement |
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Product Overview
Coil spring is key element of suspension on rolling stock. It is typically used to store energy and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. It can be divided into primary suspension also called Journal box spring, and secondary suspension also called bolster spring.
Product Advantage
· Various material types according to ASTM, EN, JIS and Chinese TB standards.
· Rods arrange from 1.5 mm to 80mm,
· with maximum overhall diameter to 450mm, height to 1200mm
Product specification
| Material Standard | EN10089 |
| Material | 51CrMoV4,52CrMoV4,60Si2Mn etc |
| Manufacturing standard | EN13298 or UIC822 |
| Direction | Right or left |
| Wire range | from 1.5mm to 80 mm |
| Height range | maximum 1200mm |
| Surface treatment | Zinc, |
| Surface hardness | 45~51HRC |
| KU | ≥10J |
Drawing of Spring
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End types
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Application
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Package
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