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Standard

Brake Effectiveness Marking for Brake Blocks - Truck and Bus
2019-06-06
CURRENT
J1801_201906
This SAE Recommended Practice provides the method to assign numerical values of brake effectiveness, using data from single station inertia dynamometer effectiveness tests, and to identify a uniform procedure to mark these values on the edge of brake blocks in excess of 12.7 mm (0.51 in) in thickness.
Standard

Brake Effectiveness Marking for Brake Blocks—Truck and Bus
2014-10-27
HISTORICAL
J1801_201410
This SAE Recommended Practice provides the method to assign numerical values of brake effectiveness, using data from single station inertia dynamometer effectiveness tests, and to identify a uniform procedure to mark these values on the edge of brake blocks in excess of 12.7 mm (0.51 in) in thickness.
Standard

BRAKE RATING TEST CODE – COMMERCIAL VEHICLE INERTIA DYNAMOMETER
1966-09-01
HISTORICAL
J971_196609
The code provides test procedures and methods of calculating a brake rating from the data obtained. At this time, the procedure has been developed to cover only brakes of the sizes and types generally used on commercial vehicles. Some general correlation may be expected between brake ratings established by this means and those obtained from vehicle tests such as outlined in SAE J880. However, the effects of brake environment as installed in various vehicles are not considered in this laboratory procedure. The code may be used as a supplement to SAE J667, or it may be used independently. Other methods of measuring energy absorption capacity and establishing a brake rating other than those described herein may be equally valid.
Standard

BRAKE BLOCK CHAMFER
1990-11-01
HISTORICAL
J662_199011
The scope of this SAE Standard is to provide a uniform chamfer on brake blocks.
Standard

BRAKE BLOCK CHAMFER
1997-04-01
HISTORICAL
J662_199704
The scope of this SAE Standard is to provide a uniform chamfer on brake blocks.
Standard

Brake Block Chamfer
2011-05-17
CURRENT
J662_201105
The scope of this SAE Standard is to provide a uniform chamfer on brake blocks.
Standard

Brake Dynamometer Squeal Noise Test Procedure for Commercial Vehicles with Air Brakes
2023-06-02
CURRENT
J3165_202210
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.
Standard

Brake Drum Qualification Recommended Practice
2012-03-15
HISTORICAL
J2686_201203
This SAE Recommended Practice is intended for qualification testing for brake drums used on highway commercial vehicles with air brakes using an inertia-dynamometer procedure. This Recommended Practice consists of two distinct tests: Part A - durability and speed maintenance test, and Part B - heat check drag sequence test. Each test can be considered to be an independent evaluation of the brake drum which tests different properties.
Standard

Brake Drum Qualification Recommended Practice
2017-10-30
HISTORICAL
J2686_201710
This SAE Recommended Practice is intended for qualification testing for brake drums used on highway commercial vehicles with air brakes using an inertia-dynamometer procedure. This Recommended Practice consists of two distinct tests: Part A - durability and speed maintenance test, and Part B - heat check drag sequence test. Each test can be considered to be an independent evaluation of the brake drum which tests different properties.
Standard

SERVICE BRAKE STRUCTURAL INTEGRITY TEST PROCEDURE—VEHICLES OVER 10,000 LB (4500 kg) GVWR
1978-03-01
HISTORICAL
J294_197803
This SAE Recommended Practice establishes a method of evaluating the structural integrity of the brake system of all new trucks, buses, and combination of vehicles designed for roadway use and falling in the following classifications: Truck and bus: Over 10,000 lb (4500 kg) gvwr. Combination of Vehicles: Towing vehicle over 10,000 lb (4500 kg) gvwr.
Standard

SERVICE BRAKE STRUCTURAL INTEGRITY TEST PROCEDURE—VEHICLES OVER 4500 KG (10 000 LB) GVWR
1993-01-01
HISTORICAL
J294_199301
This SAE Recommended Practice establishes a method of testing the structural integrity of the brake system of all new trucks, buses, and combination vehicles designed for roadway use and falling in the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination vehicle—Towing vehicle over 4500 kg (10 000 lb) GVWR The test consists of two parts: a Structural Endurance Test followed by a Structural Ultimate Strength Test.
Standard

Service Brake Structural Integrity Requirements—Truck and Bus
2007-05-17
HISTORICAL
J1404_200705
This SAE Recommended Practice presents requirements for the structural integrity of the brake system of all new trucks, buses, and combinations of vehicles designed for roadway use and falling into the following classifications: a Truck and Bus—Over 4500 kg (10 000 lb) GVWR b Combination Vehicles—Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
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