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Dynamometer Effectiveness Characterization Test For Passenger Car And Light Truck Brake Friction Products
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Book Synopsis Dynamometer Effectiveness Characterization Test for Passenger Car and Light Truck Brake Friction Products by : Brake Dynamometer Standards Committee
Download or read book Dynamometer Effectiveness Characterization Test for Passenger Car and Light Truck Brake Friction Products written by Brake Dynamometer Standards Committee and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ballot to Brake Effectiveness and Dynamometer Effectiveness - 11/19/98Results of ballot: Brake Effectiveness - A-6, D-2, W-1, NR-2 Dynamometer Test Code - A-5, D-0, W-0, NR-2Jim Trainor will send letter to the two people who disapproved and send a copy of the letter to SAE - 7/7/1999Transmittal sent to pubs - 8/30/1999Pre-print sent to sponsor - 10/27/1999Signed copy sent to pubs - 11/9/1999Published copy (AUG99) received - 01/14/2000.
Book Synopsis Dynamometer Effectiveness Characterization Test for Passenger Car and Light Truck Caliper Disc Brake Friction Materials by : Brake Dynamometer Standards Committee
Download or read book Dynamometer Effectiveness Characterization Test for Passenger Car and Light Truck Caliper Disc Brake Friction Materials written by Brake Dynamometer Standards Committee and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Recommended Practice establishes an inertia dynamometer test procedure, using an exemplar caliper disc brake, to characterize the effectiveness of disc brake friction materials for passenger cars and light-duty trucks, up to and including 2700 kg (5954 lb) GVW. SAE J1652 provides a method of characterizing friction material effectiveness on a full disc brake, using test conditions that approximate those for U.S. mandated new vehicle brake tests.
Book Synopsis Friction Science and Technology by : Peter J. Blau
Download or read book Friction Science and Technology written by Peter J. Blau and published by CRC Press. This book was released on 2008-10-20 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Should have broad appeal in many kinds of industry, ranging from automotive to computers-basically any organization concerned with products having moving parts!"-David A. Rigney, Materials Science and Engineering Department, Ohio State University, Columbus, USAIn-Depth Coverage of Frictional ConceptsFriction affects so many aspects of daily l
Book Synopsis Low-duty Inertia Dynamometer Hydraulic Brake Wear Test Procedures for Vehicles Above 4536 Kg (10 000 Lb) of GVWR by : Truck and Bus Hydraulic Brake Committee
Download or read book Low-duty Inertia Dynamometer Hydraulic Brake Wear Test Procedures for Vehicles Above 4536 Kg (10 000 Lb) of GVWR written by Truck and Bus Hydraulic Brake Committee and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Recommended Practice is derived from OEM and tier-1 laboratory tests and applies to two-axle multipurpose passenger vehicles, or trucks with a GVWR above 4536 kg (10 000 pounds) equipped with hydraulic disc or drum service brakes. Before conducting testing for a specific brake sizes or under specific test conditions, review, agree upon, and document with the test requestor any deviations from the test procedure. Also, the applicable criteria for the final test results and wear rates deemed as significantly different require definition, assessment, and proper documentation; especially as this will determine whether or not Method B testing is needed.This Recommended Practice does not evaluate or quantify other brake system characteristics such as performance, noise, judder, ABS performance, or braking under extreme temperatures or speeds. Minimum performance requirements are not part of this recommended practice. Consistency and margin of pass/fail of the minimum requirements related to wear rates and wear behavior can be assessed as part of the project in coordination with the test requestor.NOTE: This Recommended Practice uses the unit conversion and rounding techniques from the NIST Special Publication 811. This to ensure the use of standard conversion factors and to determine the appropriate number of significant digits to ensure the Rounding Error (RE) of the converted unit is smaller than or similar to the RE of the original English or Imperial unit. Certain vehicle applications (like flat-bed recovery vehicles) have driving patterns which are considered light-duty with (a) friction material temperatures remaining under 232.0 °C (450 °F) 2.03 to 2.54 mm (0.08 to 0.1 inch) below the braking surface for at least 90% of the time, and (b) brake applications which require 2690 kPa (390 lbf/in2) or less of hydraulic pressure. This Recommended Practice provides two inertia-dynamometer test procedures, which are repeatable and cost-effective to assess, screen, benchmark, troubleshoot, or fingerprint a given foundation brake regarding low-duty brake wear. The first procedure (or Method A) is a wear versus temperature test from 93.0 to 427.0 °C (200 to 800 °F) to determine if there are potential wear rate issues under low temperature conditions and a low-duty driving cycle. If deemed required after the initial wear versus temperature test (Method A), or upon direct customer request, the second procedure (or Method B) provides an extensive wear test at a constant temperature of 79.0 °C (175 °F) to determine the wear rates and behavior of the friction couple. Data from this Recommended Practice may be combined with other brake system and vehicle characteristics for a comprehensive product characterization program.Since other wear test procedures cover a different (higher) range of operating temperatures, kinetic energies, and levels, the accelerated wear rate behavior of certain friction materials under low-duty regimes is not properly determined or estimated using test conditions which can affect the transfer layer behavior. The wear test method implemented in this Recommended Practice was derived from prior field testing and correlation investigation. Hence, careful attention was given to not alter the sequence and test conditions which have demonstrated correspondence to the vehicle behavior.The SAE Truck and Bus Hydraulic Brake Committee considers laboratory test procedures useful in supporting harmonization to improve the overall performance, durability, and safety of motor vehicle braking systems using relevant and cost-effective protocols.
Book Synopsis FMVSS 135 Inertia Dynamometer Test Procedure by : Brake Dynamometer Standards Committee
Download or read book FMVSS 135 Inertia Dynamometer Test Procedure written by Brake Dynamometer Standards Committee and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Recommended Practice is derived from the Federal Motor Vehicle Safety Standard 135 vehicle test protocol as a single-ended inertia-dynamometer test procedure. It measures brake output, friction material effectiveness, and corner performance in a controlled and repeatable environment. The test procedure also includes optional sections for parking brake output performance for rear brakes. It is applicable to brake corners from vehicles covered by the FMVSS 135 when using the appropriate brake hardware and test parameters. This procedure is applicable to all passenger cars and light trucks up to 3500 kg of GVWR.This Recommended Practice is the result of an industry effort to develop an inertia-dynamometer test procedure based upon the FMVSS 135 vehicle test. Results from this test provide a laboratory assessment of the brake corner performance. Data from this Recommended Practice may be combined with other brake system and vehicle characteristics to predict vehicle performance. The conditions defined in this Recommended Practice are drawn from FMVSS 135 vehicle test experience. The deceleration levels are not necessarily based on those needed to meet the requirements of the FMVSS 135. This procedure is intended to properly represent the lining conditioning which occurs during an FMVSS 135 vehicle test.
Book Synopsis FMVSS Inertia Dynamometer Test Procedure for Vehicles Below 4540 Kg GVWR by : Society of Automotive Engineers
Download or read book FMVSS Inertia Dynamometer Test Procedure for Vehicles Below 4540 Kg GVWR written by Society of Automotive Engineers and published by . This book was released on 2009 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automotive Engineering Fundamentals by : Richard Stone
Download or read book Automotive Engineering Fundamentals written by Richard Stone and published by SAE International. This book was released on 2004-04-30 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the introduction of Automotive Engineering Fundamentals, Richard Stone and Jeffrey K. Ball provide a fascinating and often amusing history of the passenger vehicle, showcasing the various highs and lows of this now-indispensable component of civilized societies. The authors then provide an overview of the publication, which is designed to give the student of automotive engineering a basic understanding of the principles involved with designing a vehicle. From engines and transmissions to vehicle aerodynamics and computer modeling, the intelligent, interesting presentation of core concepts in Automotive Engineering Fundamentals is sure to make this an indispensable resource for engineering students and professionals alike.
Book Synopsis FMVSS 105 Inertia Brake Dynamometer Test Procedure for Vehicles Above 4 540 Kg GVWR by : Truck and Bus Hydraulic Brake Committee
Download or read book FMVSS 105 Inertia Brake Dynamometer Test Procedure for Vehicles Above 4 540 Kg GVWR written by Truck and Bus Hydraulic Brake Committee and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Recommended Practice is derived from the FMVSS 105 vehicle test and applies to two-axle multipurpose passenger vehicles, trucks and buses with a GVWR above 4 540 kg (10 000 lbs) equipped with hydraulic service brakes. There are two main test sequences: Development Test Sequence for generic test conditions when not all information is available or when an assessment of brake output at different inputs are required, and FMVSS Test Sequence when vehicle parameters for brake pressure as a function of brake pedal input force and vehicle-specific loading and brake distribution are available. The test sequences are derived from the Federal Motor Vehicle Safety Standard 105 (and 121 for optional sections) as single-ended inertia-dynamometer test procedures when using the appropriate brake hardware and test parameters. This recommended practice provides Original Equipment Manufacturers (OEMs), brake and component manufacturers, as well as aftermarket suppliers, results related to brake output, friction material effectiveness, and corner performance in a laboratory-controlled test environment.The test sequences include different dynamic conditions (braking speeds, temperature, and braking history as outlined in the FMVSS 105); inertia loads equivalent to the vehicle's LLVW and GVWR; fully operational, partial failure, and failed system conditions. All applicable sections of the FMVSS 105 are included. Optional sections include: parking brake output, water recovery, TP-121D dynamometer retardation, and 32 km/h (20 mph) stops to simulate Federal Motor Carrier Safety (FMCS) requirements.This Recommended Practice does not evaluate or quantify other brake system characteristics such as wear, noise, judder, ABS performance, or braking under extreme temperatures or speeds. Minimum performance requirements are not part of this recommended practice. Consistency and margin of pass/fail of the minimum requirements related to stopping distance or equivalent deceleration levels of the FMVSS 105 vehicle test can be assessed as part of the project in coordination with the test requestor when using the appropriate vehicle information and vehicle dynamics modeling. Nevertheless, this procedure and its results do not replace the vehicle-level test to demonstrate compliance to FMVSS (105 for hydraulic brake systems or 121 for air-over-hydraulic brake systems), or other mandatory regulations (like ECE R13 or equivalents). Vehicle and braking systems development is fast-paced, and involves a global supplier base. This Recommended Practice provides an inertia-dynamometer test procedure that is repeatable and cost-effective. It evaluates the performance of the brake corner and its components (including friction material) by following the test procedure and sequence as indicated in the Federal Motor Vehicle Safety Standard (FMVSS) 105. Data from this Recommended Practice may be combined with other brake system and vehicle characteristics to predict vehicle performance.Since the first release of the FMVSS 105, there have been numerous inertia-dynamometer test protocols developed and used by the industry with different approaches and levels of detail. The SAE Truck and Bus Hydraulic Brake Committee considers laboratory test procedures useful in supporting harmonization to improve the overall performance and safety of motor vehicle braking systems.
Book Synopsis Braking of Road Vehicles by : Andrew J. Day
Download or read book Braking of Road Vehicles written by Andrew J. Day and published by Butterworth-Heinemann. This book was released on 2022-03-21 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Braking of Road Vehicles, Second Edition includes updated and new subject matter related to the technological advances of road vehicles such as hybrid and electric vehicles and "self-driving" and autonomous vehicles. New material to this edition includes root causes, guidelines, experimental and measurement techniques, brake NVH identification and data analysis, CAE and dynamic modelling, advances in rotor and stator materials, manufacturing methods, changes to European and US legislation since 2014, recent developments in technology, methods and analysis, and new and updated case studies. This new edition will continue to be of interest to engineers and technologists in automotive and road transport industries, automotive engineering students and instructors, and professional staff in vehicle-related legislational, legal, military, security and investigative functions. Completely revised to keep up-to-date with the demands and requirements of a new generation of road vehicles Includes new chapters on Autonomous and Regenerative Braking, Brake-by-Wire and Electronic Braking Systems Addresses issues such as prediction of brake performance, component stresses and temperatures, and durability Discusses operational problems such as noise and judder, variable torque generation and variable deceleration
Book Synopsis Wear Test Procedure on Inertia Dynamometer for Brake Friction Materials by : Brake Dynamometer Standards Committee
Download or read book Wear Test Procedure on Inertia Dynamometer for Brake Friction Materials written by Brake Dynamometer Standards Committee and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Recommended Practice (RP) specifies a dynamometer test procedure to characterize wear rates of automotive service brake linings (brake shoes) and disc brake pads. This revision of the wear test procedure includes several changes to: (a) harmonize with other SAE Recommeded Practices (RPs), (b) modernize and expand the test sequences, and (c) address typographical and editorial corrections from previous versions. Some specific updates include the following: Harmonization with SAE J2789 for inertia calculation and with SAE J2986 for wear measurements. Expansion of the wear versus temperature (Method A) includes temperatures below 100 °C for friction materials with ferrous metals and decelerations below 0.3 g. These updates reflect normal customer usage and field measurements using the worldwide harmonized light vehicle test procedure (WLTP) adapted for a brake duty cycle. Extension of the block wear test (Method B) with separate temperatures for front and rear brakes and lower energy levels. Common burnish schedule for all test methods to ensure consistent conditioning in preparation for the actual wear test. The new burnish method harmonizes with the FMVSS 135 burnish, common in other inertia dynamometer tests.
Book Synopsis Analysis of the Feasibility of Replacing Asbestos in Automobile and Truck Brakes by :
Download or read book Analysis of the Feasibility of Replacing Asbestos in Automobile and Truck Brakes written by and published by . This book was released on 1988 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis FMVSS 105 Inertia Brake Dynamometer Test Procedure for Vehicles Above 4540 Kg GVWR by : Truck and Bus Hydraulic Brake Committee
Download or read book FMVSS 105 Inertia Brake Dynamometer Test Procedure for Vehicles Above 4540 Kg GVWR written by Truck and Bus Hydraulic Brake Committee and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Recommended Practice is derived from the FMVSS 105 vehicle test and applies to two-axle multipurpose passenger vehicles, trucks, and buses with a GVWR above 4540 kg (10000 pounds) equipped with hydraulic service brakes. There are two main test sequences: Development Test Sequence for generic test conditions when not all information is available or when an assessment of brake output at different inputs are required, and FMVSS Test Sequence when vehicle parameters for brake pressure as a function of brake pedal input force and vehicle-specific loading and brake distribution are available. The test sequences are derived from the Federal Motor Vehicle Safety Standard 105 (and 121 for optional sections) as single-ended inertia-dynamometer test procedures when using the appropriate brake hardware and test parameters. This recommended practice provides Original Equipment Manufacturers (OEMs), brake and component manufacturers, as well as aftermarket suppliers, results related to brake output, friction material effectiveness, and corner performance in a laboratory-controlled test environment.The test sequences include different dynamic conditions (braking speeds, temperature, and braking history as outlined in the FMVSS 105); inertia loads equivalent to the vehicle's LLVW and GVWR; fully operational, partial failure, and failed system conditions. All applicable sections of the FMVSS 105 are included. Optional sections include: parking brake output, water recovery, TP-121D dynamometer retardation, and 32 km/h (20 mph) stops to simulate Federal Motor Carrier Safety Administration (FMCSA) requirements.This recommended practice does not evaluate or quantify other brake system characteristics such as wear, noise, judder, ABS performance, or braking under extreme temperatures or speeds. Minimum performance requirements are not part of this recommended practice. Consistency and margin of pass/fail of the minimum requirements related to stopping distance or equivalent deceleration levels of the FMVSS 105 vehicle test can be assessed as part of the project in coordination with the test requestor when using the appropriate vehicle information and vehicle dynamics modeling. Nevertheless, this procedure and its results do not replace the vehicle-level test to demonstrate compliance to FMVSS (105 for hydraulic brake systems, or 121 for air-over-hydraulic brake systems), or other mandatory regulations (like ECE R13 or equivalents). The current version of this Recommended Practice: (a) addresses proper and consistent use of units of measure and numerical values per NIST 811:2008, and (b) clarifies thermocouple location and temperature controls during the test. The technical content, the test conditions, and the test sequences remain unchanged.
Book Synopsis Dynamometer Global Brake Effectiveness by : Brake Dynamometer Standards Committee
Download or read book Dynamometer Global Brake Effectiveness written by Brake Dynamometer Standards Committee and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This SAE Recommended Practice defines an Inertia Dynamometer Test procedure that assesses the effectiveness behavior of a friction material with regard to pressure, temperature and speed for motor vehicles fitted with hydraulic brake actuation.The main purpose of SAE J2522 is to compare friction materials under the most equal conditions possible. To account for the cooling behavior of different test stands, the fade sections are temperature-controlled.
Book Synopsis Automobile Design Liability by : Richard M. Goodman
Download or read book Automobile Design Liability written by Richard M. Goodman and published by . This book was released on 1991 with total page 2010 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Chemical Processing (Online) by : Sunggyu Lee
Download or read book Encyclopedia of Chemical Processing (Online) written by Sunggyu Lee and published by CRC Press. This book was released on 2005-11-01 with total page 3338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition Encyclopedia supplies nearly 350 gold standard articles on the methods, practices, products, and standards influencing the chemical industries. It offers expertly written articles on technologies at the forefront of the field to maximize and enhance the research and production phases of current and emerging chemical manufacturing practices and techniques. This collecting of information is of vital interest to chemical, polymer, electrical, mechanical, and civil engineers, as well as chemists and chemical researchers. A complete reconceptualization of the classic reference series the Encyclopedia of Chemical Processing and Design, whose first volume published in 1976, this resource offers extensive A-Z treatment of the subject in five simultaneously published volumes, with comprehensive indexing of all five volumes in the back matter of each tome. It includes material on the design of key unit operations involved with chemical processes; the design, unit operation, and integration of reactors and separation systems; process system peripherals such as pumps, valves, and controllers; analytical techniques and equipment; and pilot plant design and scale-up criteria. This reference contains well-researched sections on automation, equipment, design and simulation, reliability and maintenance, separations technologies, and energy and environmental issues. Authoritative contributions cover chemical processing equipment, engineered systems, and laboratory apparatus currently utilized in the field. It also presents expert overviews on key engineering science topics in property predictions, measurements and analysis, novel materials and devices, and emerging chemical fields. ALSO AVAILABLE ONLINE This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for both researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Book Synopsis The Second International Seminar on Automotive Braking by : David C. Barton
Download or read book The Second International Seminar on Automotive Braking written by David C. Barton and published by . This book was released on 1998 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of te key challenegs facing the automotive industry is the emission legislation in Europe and North America, together with likely incentives to improve fuel economy. This can be done reducing the gross vehicle weight. Significant weight savings can be made through the use of non-traditional materials in braking.
Book Synopsis BRAKE SYSTEM DYNAMOMETER TEST PROCEDURE PASSENGER CAR by : Brake Dynamometer Standards Committee
Download or read book BRAKE SYSTEM DYNAMOMETER TEST PROCEDURE PASSENGER CAR written by Brake Dynamometer Standards Committee and published by . This book was released on 1971 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This procedure establishes a uniform laboratory dynamometer method of testing all classes of passenger car brake systems.
