Test rigs for center buffer couplings
- 01Customized variable coupling conditions
- 02Customized variable automatic test runs
- 03Prepared for testing the DAC

Our technologies for your demands
With this test stand, a wide variety of rail couplings can be tested in manual or automatic test runs:
- Coupling and uncoupling procedures
- Dynamic push and pull studies
- Mountain crossings and cornerings
- Leak tests
Equipped with the real-time automation system for test benches RENK I RDDS, this test bench is ideally suited to support the development of analog and digital central buffer couplings with realistic mechanical and electrical tests.

Offset, tilt, dynamics
When automatically coupling two carriages, the following operating conditions are relevant, which can be simulated with the RENK test rig:
- Dynamic of a coupling half and transmitting high impact forces
- Offset of the vehicles and automatic centering of the coupling halves
- Tilted position of the vehicles and automatic alignment of the coupling half
Easy preparation of all necessary test procedures
- Coupling and uncoupling procedures
- Dynamic pull and push studies
- Mountain crossings and cornerings
- Leak tests
- And much more!


Interfaces for compressed air, electrical power and signal transmission
RENK test rigs not only enable mechanical coupling and uncoupling tests of conventional couplings. An essential component of the future European Digital Automatic Coupling (DAC) is the transmission of compressed air as well as electrical energy and digital data. Our test benches also offer the appropriate supply, interfaces and measuring data acquisition for this.
Features
- Test rig for the development of central buffer couplings
- High-quality solid design
- Modular specimen support for different test items
- Partial and long-term tests with realistic load effects
- Mechanical and electrical tests (z.B. DAC)
- RENK RDDS test bench automation and data acquisition

Take a look at Knorr-Bremse's development activities with the DAC test rig realised by RENK.

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