ContiTech air spring
ContiTech empty spring
The Function of Air Spring System
● Due to the low frequency, the comfort significantly increases.
● Ensure the safety, no derail
● Decrease the noise from frame to car body.
● The height can keep the same at different load.
● Maintenance free.
The Structure of Air Spring System
The Types of Air Bellow
The Structure of Air Bellow
Test of Air Spring System
Common type test items for air spring system
● Load – pressure curve
● Static stiffness(vertical/lateral/torsion)
● Dynamic stiffness(vertical/lateral/torsion)
● Geometry of the air spring system
● Fatigue test
● Burst test
● Material test
● Auxiliary spring test
● Fatigue test
● Creeping test
Test laboratory officially certified as independent
Twelve test processes relevant to rail industry accredited under DIN EN ISO/IEC 17025 DIN EN ISO/IEC 17025
Dynamic, static and burst pressure tests
Authentic testing based on vehicle operation data
Curve checks and destructive tests for determining product properties
Time-lapse tests under extreme conditions for binding statements on product lifetime
Direct incorporation into product development
Accredited testing center for simulation of realistic driving situations under various ambient temperatures and loading conditions
More than 15 servo hydraulically driven and more than 20 electrically driven for product characterization and durability test rigs for almost all needs
Examples
› Multi-axle hydro-pulse test rig
› Temperature chamber
› Seesaw durability test rig
› Corrosion test rig
Other test rigs
