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SAE J3213_202306

Name: SAE J3213_202306 PDF | Request Standard
SKU: f88bd506fd4f

Brake Dynamometer Squeal Noise Test Procedure for Commercial Vehicles with Air Brakes

Standard by SAE International, 2023-06-02

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SAE J3213_202306.PDFSecure PDF
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Language: English
License Type: Single User
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Language: English
License Type: Enterprise / Multi User
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About This Item

This SAE Recommended Practice applies to commercial vehicles above 4540 kg of gross vehicle weight rating equipped with air brakes used under normal operating conditions. The procedure incorporates high and low-temperature test matrices, but does not fully account for the effects of the environment on brake squeal. Much research is currently underway in this area. This document defines brake squeal as a peak noise level of at least 80 dB(A) between 500 Hz and 17 kHz for air disc and drum brakes on on-road vehicles. Commercial vehicle (CV) manufacturers and their suppliers need a standard laboratory method to assess the propensity of the foundation brakes to generate squeal noise. The early engineering assessment for noise provides a baseline during the vehicle or brake system development process. This document allows multiple parties to speak to the same parameters when reviewing squeal noise testing and before vehicle evaluations. A systematic squeal noise test procedure supports the entire supply chain for the lifetime of the braking system.

SKU: f88bd506fd4f

Publication Date: 2023-06-02

Standard Status: latest

Publisher: SAE International

Document Type: Ground Vehicle Standard

Subject: Commercial vehicles, Air brakes, Noise, , , , , ,

Official SAE: Doi link

This Version: J3213_202306 (2023-06-02)

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