Trim requirements
Braking technology - Friction elements

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B5571 V1 Article

Trim requirements


Braking technology - Friction elements

Author : Jean-Jacques CARRÉ

Publication date: May 10, 1990 | Lire en français

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2. Trim requirements

Brake linings have to meet a number of requirements in addition to purely functional ones, with the coefficient of friction in first place and low wear in second.

Additional constraints are added: technical, economic, comfort and environmental.

The selection criteria are in the following order:

  • the stability of the coefficient of friction µ ;

  • asbestos-free trim ;

  • a silent lining for vibration-free braking;

  • a seal that maintains good hot performance and does not spark;

  • a seal guaranteeing wear of the shoe/rotor in relation to the desired application and without corrosion of the counter-material;

  • minimum compressibility...

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