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SAE J2933

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SAE J2933 2011 Edition, March 1, 2011 Verification of Brake Rotor Modal Frequencies
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Description / Abstract: Provide description of standard test methods, analysis methods, and reporting methods for measuring the resonant modes of automotive disc brake rotors and drums for purpose of design and production verification of these components.

Purpose

This procedure may be used for verification of production capability of a plant to produce brake rotors that are consistent with Production Part Approval Process (PPAP). The procedure may be used to fingerprint parts used for design validation process.