BRAKE RATING SYSTEM TEST CODE - COMMERCIAL VEHICLES PDF Download
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Author: Truck and Bus Brake Systems Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The code provides test procedures and instructions for: Instrumentation and equipment. Vehicle preparation. Determining brake system energy absorption capacity. Calculation of a brake rating.The code includes provision for those vehicles, single unit, combinations, or special, which cannot be loaded to the manufacturer's rated gross vehicle weight, cannot be accelerated in the time interval required, or cannot attain the specified 50 mph speed.Methods for measuring energy absorption capacity, other than described herein, may be equally valid.
Author: Truck and Bus Brake Systems Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The code provides test procedures and instructions for: Instrumentation and equipment. Vehicle preparation. Determining brake system energy absorption capacity. Calculation of a brake rating.The code includes provision for those vehicles, single unit, combinations, or special, which cannot be loaded to the manufacturer's rated gross vehicle weight, cannot be accelerated in the time interval required, or cannot attain the specified 50 mph speed.Methods for measuring energy absorption capacity, other than described herein, may be equally valid.
Author: Truck and Bus Brake Systems Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
This code is intended for commercial vehicles over 4500 kg (10 000 lb) with brake systems having typical service pressure ranges 0 to 14.1 mPa (0 to 2050 psi) hydraulic or 0 to 830 kPa (0 to 130 psi) air and is not directly applicable to vehicles with other systems. Air over hydraulic systems are to be tested as air systems. All of the revisions, updates, and corrections to this RP, although many, are clearly editorial in nature, and do not generate any substantive changes to the methodology and procedures of this RP. Figure 2, which may exhibit a somewhat different appearance, is identical to the previous Figure 2, except for the revisions and corrections required to address the various errors and omissions. The different appearance is due exclusively to the fact that the Figure had to be recreated from scratch, instead of just modifying the existing Figure. SAE J880 has been reaffirmed to comply with the SAE Five-Year Review policy.
Author: Truck and Bus Foundation Brake Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
The code provides test procedures and methods of calculating a brake rating from the data obtained for brakes used in highway commercial vehicles over 4.5 T (10 000 lbs) GVWR air and hydraulic. 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. The brake rating power, kW (hp) calculated by conduct of this code is an arbitrary index of performance of the brake and drum when tested by this procedure and may be appreciably different from the values obtained by other techniques.
Author: Truck and Bus Foundation Brake Committee Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
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.The user of this SAE Recommended Practice should also take note that the brake rating horsepower (brhp) calculated by conduct of this code is an arbitrary index of performance of the brake (and drum) when tested by this procedure and may be appreciably different from the values obtained by other techniques.
Author: Truck and Bus Brake Systems Committee
Author: Truck and Bus Brake Systems Committee
Author: Truck and Bus Brake Systems Committee
Author: 
Author: 
Author: Truck and Bus Foundation Brake Committee
Author: Truck and Bus Foundation Brake Committee
Author: United States. National Bureau of Standards
Author: William J. Slattery
Author: 
Author: Society of Automotive Engineers, Incorporated