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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

Service Brake Structural Integrity Test Procedure-Vehicles Over 4500 kg (10 000 lb) GVWR

2011-05-19
HISTORICAL
J294_201105
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. Trucks and Bus— Over 4500 kg (10 000 lb) GVWR b. Combination of vehicle—Towing vehicle over 4500 kg 10 000 lb) GVWR The test consists of two parts: a Structural EnduranceTest followed by a Structural Ultimate Strength Test.
Standard

Service Brake Structural Integrity Test Procedure-Vehicles Over 4500 kg (10 000 lb) GVWR

1978-03-01
HISTORICAL
J294_197803
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. Trucks and Bus— Over 4500 kg (10 000 lb) GVWR b. Combination of vehicle—Towing vehicle over 4500 kg 10 000 lb) GVWR The test consists of two parts: a Structural EnduranceTest followed by a Structural Ultimate Strength Test.
Standard

Brake Block Effectiveness Rating

2018-10-09
WIP
J1802
This SAE Recommended Practice provides the test procedure and methods to calculate the effectiveness of brake blocks, using an inertia dynamometer. To minimize testing variability, and to optimize standardization and correlation, a single, high volume size of brake block is specified (FMSI No. 4515E) and evaluated in a reference S-cam brake assembly of 419 mm x 178 mm (16.5 in x 7.0 in) size, using a specified brake drum.
Standard

Brake Effectiveness Marking for Brake Blocks—Truck and Bus

2014-10-27
CURRENT
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 Effectiveness Marking for Brake Blocks--Truck and Bus

2018-10-09
WIP
J1801
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. The edge markings are intended to provide relevant and meaningful data on the normal and hot effectiveness of brake blocks, using the reference full size brake assembly, to aid in the characterization of these brake block frictional properties. This edge marking methodology is intended to permit accurate identification of the effectiveness values over the full wear life of the brake block. This is accomplished by means of permanent markings on one edge of the brake block.
Standard

Brake Effectiveness Marking for Brake Blocks--Truck and Bus

2007-11-06
HISTORICAL
J1801_200711
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. The edge markings are intended to provide relevant and meaningful data on the normal and hot effectiveness of brake blocks, using the reference full size brake assembly, to aid in the characterization of these brake block frictional properties. This edge marking methodology is intended to permit accurate identification of the effectiveness values over the full wear life of the brake block. This is accomplished by means of permanent markings on one edge of the brake block.
Standard

Brake Drum Static Equivalency

2019-01-25
WIP
J3192
This Recommended Practice is intended for testing the static performance of a friction material and drum combination on an inertia dynamometer.
Standard

Service Brake Structural Integrity Requirements - Truck and Bus

2019-03-04
WIP
J1404
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 of Vehicles: Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Service Brake Structural Integrity Requirements - Truck and Bus

1977-05-01
HISTORICAL
J1404_197705
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 of Vehicles: Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Service Brake Structural Integrity Requirements—Truck and Bus

2014-11-15
CURRENT
J1404_201411
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.
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 of Vehicles: Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Service Brake Structural Integrity Requirements - Truck and Bus

1978-03-01
HISTORICAL
J1404_197803
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 of Vehicles: Towing vehicle over 4500 kg (10 000 lb) GVWR The requirements are based on data obtained from SAE J294.
Standard

Inertia Dynamometer Rotor Crack Test Procedure for Air Disc Brakes

2018-04-27
WIP
J3080

This Recommended Practice applies to commercial vehicles equipped with air disc brakes and above 4536 kg of Gross Vehicle Weight Rating. Other assessments on the friction material or rotor related to wear, durability, correlation to product life, noise, judder, compliance to specific regulations, etc., are not part of this RP (Recommended practice).

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