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[China]
Trade Verify
Address: A1-3-1, Xinrui Zone, No. 25-1-3, Keyuan 1st Street, Jiulongpo District, Chongqing
Contact name:Wei Dong
Chongqing Hengtairail Equipment Co.,Ltd. |
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Verified Suppliers
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Product overview
Railway car is equipped with spring suspension device to reduce
vibration of the train. Spring suspension device determine whether
a railway car can run stable and comfortable, whether railway
vehicle can trough curve successful. Spring suspension device plays
an important role in safety running of rail car.
There`re lots of springs for railway vehicles, conical rubber
spring is one of them. With the advantages of large unit volume and
small specific gravity, the rubber spring can eliminate high
frequency vibration and improve vibration performance. Because of
its changeable rigidity, when it’s installed onto axle box spring
suspension device, different positioning stiffness from vertical
and horizontal generated. With character of non-linear, the running
performance can be improved without extra friction shock absorber.
Product specification
S.No. | Item | Value | |
| 1 | Operation Temperature | ﹣25℃ to 50℃ | |
| 2 | Type | Primary Suspension Axle Spring | |
| 3 | Standard | EN45545, GB/T 36375-2018 | |
| 4 | Application | Subway, Metro,Intercity train,Tram Light car vehicles | |
| 5 | Tensile strength | ≥15MPa | |
| 6 | Elongation at break | ＜60 Shore A | ≥400% |
| ≥60 Shore A | ≥300% | ||
| 7 | Adhesive strength of metal and rubber | ≥4 Mpa | |
| 8 | Resilience | ≥40% | |
| 9 | EN Compression Set | ≤20%(70℃, 24h) | |
| 10 | Ozone resistance | Crack free; ozone density(50±5)*10(-8), 23℃, 24h, 20% elongation, relative humidity≤65% | |
| 11 | Air oven aging performance (70℃, 96h) | Hardness Change, shore A | ≤7 |
| Tensile strength reduction rate | ≤25% | ||
| Reduction rate of elongation at break | ≤25% | ||
| 12 | Brittleness temperature(﹣40℃) | Non-destructive | |
| 13 | Fatigue test | 2,000,000 times | |
| 14 | Storage temperature | ﹣15℃ to 40℃ | |
| 15 | Surface treatment | Anti-corrosion | |
| 16 | Storage time | ≤24 months | |
Product Structure
Product Application Package
Package
