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MotoRack40 Years Industry Experience
Fitting Instructions

Automaxi Product Safety Tests

For all carrying accessories there are international (ISO), French (NFR) or German (DIN) standards which define the safety requirements by way of very severe tests.

Automaxi International guarantees to its customers the compliance of all its products with these existing standards. To ensure this, before each product launch, the product is tested by independent laboratories in France (LNE, UTAC) and in Germany (TÜV).

In addition, Automaxi carries out regularly (for example on each new roof bar assignment), tests of the compliance of its products with standards conducted in its own in-house laboratory which is validated and inspected regularly by the LNE and the TÜV. To complement these standards, Automaxi carries out endurance tests on its products on a test bench and under extreme conditions of use.

Test on roof bars

Test on roof bars

In order to comply with existing standards, roof bars must withstand three extremely severe static tests on a test bench.

The test must not show any detachment of the bar or any movement of the bar by more than 50 mm.

The roof bar test consists of three quasi-static tests.

  • FA: tearing test simulating catching in the wind
    • Vertical traction on front bar. The rear bar will be tested only if the attachment system is different from the system used for the front bar.
    • Traction force: 2500 Newtons + ½ half the acceptable load on the bars for 10 minutes. e.g. if the maximum acceptable load is 75 kg then the vertical traction will be 2500 N + 32.5kg*G= 2500 + 325 = 2825 N. G represents the acceleration.
    • This test simulates a situation of strong catching in the wind.
    • The test must not show any detachment of the bar.
  • FL: longitudinal tensile test simulating an emergency braking or rear impact situation
    • Longitudinal force in the longitudinal direction of the vehicle.
    • Tensile stress: 40 times the maximum acceptable load, instantaneously.
    • This test simulates an emergency braking or rear impact situation.
    • The test must not show any detachment of the bar or any movement of the bar by more than 50 mm.
  • FLQ: 20º longitudinal tensile test simulating taking a bend at high speed
    • Longitudinal traction at 20º with respect to the longitudinal direction of the vehicle
    • Tensile stress: 40 times the maximum acceptable load, instantaneously.
    • This test simulates a situation of taking a bend at high speed.
Test on roof bike carrier

Test on roof bike carrier

In order to comply with existing standards, roof bike carriers must withstand nine extremely severe static tests on a test bench.

In addition, Automaxi is developing new tests such as city crash tests for ever greater safety.

Roof bike carrier test

Test on rear door or spare wheel bike carrier

Test on rear door or spare wheel bike carrier

In order to comply with the draft standard in force, rear door or spare wheel bike carriers must withstand several types of tests.

Rear door and spare wheel mounting test

  • Tests on strap type bike carriers exist, as per draft standard ISO 15-263-4.
  • Extremely severe static tests on a test bench to check the general resistance of the product. The purpose of this test is to measure the tensile strength of the product in various directions; it is equivalent to the quasi-static tests performed on roof bike carriers.
  • Dynamic tests on a test track to check the resistance of the product under extreme conditions of use, such as driving over Belgian paving stones and driving over sleeping policeman (urban speed bump) when installed on a vehicle.
  • Attachment system tearing and elongation tests, i.e. the straps and hooks for attachment on the vehicle.
Test on tow bar bike carrier

Test on tow bar bike carrier

In order to comply with the draft standard in force, tow bar bike carriers must withstand two types of tests.

Tow bar mounting test

  • Extremely severe static tests on a test bench to check the general resistance of the product.
  • Dynamic tests on a test track to check the resistance of the product under extreme conditions of use.
Endurance Test

Endurance Test

Automaxi regularly carries out endurance tests or product life situation simulation tests (damaged road, etc.).

  • For example, there is the TNO test on a vibrating bench.
  • The aim of this test is to measure the endurance of the products by simulating the life situation of the product, e.g. driving on a paved road or on speed bumps.
  • This test measures the number of vibration frequencies which the product can withstand.
  • This test then assesses the various deteriorations of the product in order to determine its life bike and its weak points.
The information above was supplied courtesy of Automaxi.

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