At PJM, we offer comprehensive brake tests for rail vehicles to ensure their safety and compliance with approval requirements. We are your competent partner for brake approval and offer the full scope of testing in accordance with national and international regulations.

Our services include:

Static tests of the brake system

• Checking diagnostics and error messages
• Checking the handbrake and parking brake
• Checking the brake status indicator
• Measurement of the breakaway force with applied direct, indirect and the parking brake
• Measurement of the filling and release times on the brake cylinders
• Measuring the clamping force of the brake callipers

Dynamic brake tests on dry rail

• Thermal monitoring of the brake disks during the tests
• Performing of uncoupling tests using a custom-developed uncoupling device for UIC screw couplings
• Determination of braking distances at different initial braking speeds, braking modes, loading conditions, and failure scenarios.
• Determination of braking distances at different initial braking speeds, braking modes, loading conditions and failure scenarios
• Calculation of braking performance on dry rails

Dynamic braking tests to evaluate wheel slide protection (WSP) performance under reduced wheel/rail adhesion.

• Performance of vehicle integration tests
• Application of a reproducible soap/water mixture to the wheel/rail contact interface using a proprietary spraying system and mixing system
• Conducting drag tests (towing tests)
• Determination of the absolute slip of the wheelsets
• Determination of the initial adhesion coefficient
• Calculation of criterion of minimum slide
• Determination of the relative air consumption
• Detection of wheel lock-ups
• Determination of the braking distance extension in relation to the braking distance on dry rail.