IABG - Fatigue strength

Static and dynamic tests on car bodies, bogies, parts & components

Testing and qualification using common standards such as DIN EN 12663 • DIN EN 13749 • VDV 152 • EN 12082 • UIC regulations for fatigue strength verification of wagon bodies, bogies as well as parts and components.

Fatigue strength car bodies

Fields of application

Tests of head, middle, double-decker cars, tram modules or locomotive mainframes
Investigation of car body structures against the background of new manufacturing technologies and lightweight design
Validation of designs in vehicle development

Services

Static test of car bodies according to DIN EN 12663, alternatively also according to other regional standards
Implementation of static and dynamic tests with standardised load specifications or customer-specific requirements
Creation of load assumptions and load spectra
Online display of bending lines with predictions for direct comparison with the FE model and customer presentation
Optical absolute displacement measurement for pre-bent car body structures
Measurement of strains and deformations
Testing under consideration of environmental conditions
Modal analysis

Car body test benches: Technical data

2 car body test benches in parallel operation
Each with up to 30 hydraulic cylinders
Each with up to 500 measuring channels if required
Longitudinal compression forces up to 5,000 kN to cover US standards
Car bodies and/or coupled tram modules with a length of up to 32 m

Fatigue strength bogies

Fields of application

Approval testing of all types of bogies (EMU, DMU, locomotives, trams, freight and passenger coaches, special vehicles) according to DIN EN 13749, VDV152, UIC regulations, and other standards
Tests according to customer requirements in order to safeguard the function and strength of projects and new types of bogie constructions already in the development phase
Gaining knowledge for production optimisation and the choice of production methods

Services

Static and dynamic tests with individual load components
Test of two- and multi-axle frames
Permanent damage monitoring
Optical measurement of the geometrical dimensions of the bogie frame before, during and after the test in coordination with the customer
Measurement of strains and deformations
Non-destructive testing, failure analysis, test programme development and on-track measurements re offered as additional services

Bogie frame test benches: Technical data

Two and multi-axis frames with calculated control channels
Bogie frame with passive and active tilting technology
Simulation of internal pressure
Static and fatigue tests on 12 bogie frame test benches in parallel operation
Each test bench is equipped with 30 hydraulic cylinders

Fatigue strength parts & components

Fields of application

Performance tests on wheelset bearings according to DIN EN 12082
Proof and function tests of components such as brake
components, springs and dampers, rubber-metal-elements, axle box housings, supports, consoles, couplers, wheel-swingarms, anti-roll bars, bolsters and roof and floor panels
Static strength tests on multi-material leight weight
structures such as front masks and floor sections
Service life tests taking into account typical vibration and oscillation influences

Services

Development of test bench concepts for applying of the required test conditions/flexible test set-ups
Strength asessment under consideration of static and fatigue loads
Permanent damage monitoring
Non-destructive testing
Vibration and shock tests on high performance shakers
Tests under high and low temperatures

Technical data • Capacity

A total of 16 test benches for individual tests in parallel operation
Each test bench is equipped with up to 10 control and 50 measuring channels
4 test benches for performance tests on wheelset bearings according to DIN EN 12082
Test bench for water tightness test on wheelset bearings according to DIN EN 12082
Use of state-of-the-art measurement and control technology as well as iteration software for increasing the test frequencies
Service load simulation
Stand alone clamping fields