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  • SAE J 2521 : 2013

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    DISC AND DRUM BRAKE DYNAMOMETER SQUEAL NOISE TEST PROCEDURE

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-10-2022

    Language(s):  English

    Published date:  11-04-2013

    Publisher:  SAE International

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    Table of Contents - (Show below) - (Hide below)

    1. SCOPE
    2. REFERENCES
    3. DEFINITIONS
    4. TEST EQUIPMENT
    5. TEST FIXTURE
    6. TEST INERTIA
    7. PARTS PREPARATION AND TEST SETUP
    8. TEST CYCLES
    9. TEST SEQUENCES NOMENCLATURE
    10. DISC BRAKE TEST PARAMETERS AND TEST MATRIX
    11. DRUM BRAKE TEST PARAMETERS AND TEST MATRIX
    12. NOISY BRAKE APPLICATIONS
    13. SUMMARY OF TEST RESULTS
    14. TEST INPUT PARAMETERS AND SETUP PER EKB 3010
    15. NOTES
    APPENDIX A - NOISE AND FRICTION SUMMARIES
    APPENDIX B - EKB 3010 TEST PARAMETERS
    APPENDIX C (INFORMATIVE) - COOLING AIR SPEED AND
               AIR FLOW PER ISO 3966

    Abstract - (Show below) - (Hide below)

    Pertains to high frequency squeal noise occurrences for on-road passenger car and light trucks below 4,540 kg of GVWR.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher SAE International
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS ISO 15484:2008 Road vehicles. Brake lining friction materials. Product Definition and quality assurance
    06/30079861 DC : DRAFT JULY 2006 ISO 15484 - ROAD VEHICLES - BRAKE LININGS FRICTION MATERIALS - PRODUCT DEFINITION AND QUALITY ASSURANCE
    ISO 15484:2008 Road vehicles Brake lining friction materials Product definition and quality assurance
    SAE J 2625 : 2017 AUTOMOTIVE VEHICLE BRAKE SQUEAL TEST RECOMMEND PRACTICE

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 61672-2:2013+AMD1:2017 CSV Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests
    SAE J 2598 : 2012 AUTOMOTIVE DISC BRAKE PAD NATURAL FREQUENCY AND DAMPING TEST
    VDA 305 : 2013 EKB 3008 DATA EXCHANGE FORMAT
    VDA 303 : 2009 DESCRIPTION OF NOISY BRAKE APPLICATIONS CONCERNING BRAKE SQUEAL
    VDA 300 : 2009 DEVELOPMENT GUIDELINE ON QUALITY CONTROL OF DISC BRAKE LININGS
    SAE J 3001 : 2016 BRAKE INSULATOR DAMPING MEASUREMENT PROCEDURE
    SAE J 2789 : 2010 INERTIA CALCULATION FOR SINGLE-ENDED INERTIA-DYNAMOMETER TESTING
    SAE J 2933 : 2011 Verification of Brake Rotor Modal Frequencies
    IEC 61672-3:2013 Electroacoustics - Sound level meters - Part 3: Periodic tests
    SAE J 2625 : 2008 AUTOMOTIVE VEHICLE BRAKE SQUEAL TEST RECOMMEND PRACTICE
    VDA 306 : 2013 DEFINITION OF CHARTS FOR THE EVALUATION OF BRAKE NOISE DATA/DYNAMOMETER
    SAE J 2786 : 2009 AUTOMOTIVE BRAKE NOISE AND VIBRATION STANDARD NOMENCLATURE
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