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QC/T 239-2015 English PDF

QC/T 239-2015 (QC/T239-2015, QCT 239-2015, QCT239-2015)
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
QC/T 239-2015English115 Add to Cart 0--9 seconds. Auto-delivery Specifications and bench test methods for commercial vehicle service brake Valid QC/T 239-2015
QC/T 239-1997English399 Add to Cart 3 days [Need to translate] Performance Requirements for Truck & Bus Brakes Obsolete QC/T 239-1997
Standards related to: QC/T 239-2015

BASIC DATA
Standard ID QC/T 239-2015 (QC/T239-2015)
Description (Translated English) Specifications and bench test methods for commercial vehicle service brake
Sector / Industry Automobile & Vehicle Industry Standard (Recommended)
Classification of Chinese Standard T24
Classification of International Standard 43.040.40
Word Count Estimation 18,152
Date of Issue 2015-04-30
Date of Implementation 2015-10-01
Older Standard (superseded by this standard) QC/T 239-1997; QC/T 479-1999
Quoted Standard GB/T 5620; GB/T 15089; QC/T 556
Drafting Organization China First Automobile Co., Ltd. Technical Center; China Automotive Engineering Research Institute Co., Ltd; Zhejiang Asia-Pacific Electric Co., Ltd.
Administrative Organization National Automotive Standardization Technical Committee
Regulation (derived from) Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China
Summary This standard specifies the commercial vehicle service brake assembly terms and definitions, requirements and test methods of performance. This standard applies to category M and N category vehicles with a service brake assemblies and linings (block) assembly. O class vehicle with a brake assembly can be implemented by reference.


ICS 43.040.40 T24 INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Replacing QC/T 239-1997 and QC/T 479-1999 Specifications and Bench Test Methods for Commercial Vehicle Service Brake ISSUED ON. APRIL 30, 2015 IMPLEMENTED ON. OCTOBER 1, 2015 Issued by Ministry of Industry and Information Technology of the People's Republic of China QC 3. No action is required - Full-copy of this standard will be automatically & immediately delivered to your EMAIL address in 0~60 minutes. Contents Foreword ... I 1 Scope ... 1 2 Normative References ... 1 3 Terminologies and Definitions ... 1 4 Performance Requirements ... 4 5 Relevant Requirements for Test ... 6 6 Test Preparation ... 7 7 Test Methods and Conditions ... 8 Appendix A (Normative) Evaluation Method of Braking Torque ... 14 Announcement of the Ministry of Industry and Information Technology of the People's Republic of China in 2015No.28 The Ministry of Industry and Information Technology hereby approves 876 professional standards (see Attachment 1 for the standard numbers, names, main contents and implementation dates) such as "Cryogenic Pilot-operated Breathing Valve", including 286 mechanical professional standards, 17 automobile professional standards, 19 shipping professional standards, 5 aviation professional standards, 24 chemical professional standards, 58 metallurgy professional standards, 146 non-ferrous professional standards, 16 rare earth professional standards, 7 petrochemical professional standards, 73 light professional standards, 10 civil explosive professional standards, 77 electronic professional standards and 138 communication professional standards; 2 light professional standard amendments (see Attachment 2) including "Gel Ink Ball Pens and Refills"; 12 non-ferrous metal professional standard samples (see Attachment 3 for the standard sample catalogue and composition content) including "Aluminum Alloy 6061 Spectrum Single-point Standard Sample". Professional standard amendment and professional standard samples shall be implemented from the issuance date. The above mechanical professional standards were published by China Machine Press, shipping professional standards were organized and published by China Technology Research & Economy Development Institute, aviation professional standards were organized and published by China Aero Polytechnology Establishment, chemical professional product standards were published by Chemical Industry Press, metallurgy professional standards were published by Metallurgical Industry Press, non-ferrous metal and rare earth professional standards were published by China Standards Press, petrochemical professional standards were published by China Petrochemical Press, light industry professional standards were published by China Light Industry Press, chemical and non-ferrous metal engineering construction professional standards and automobile professional standards were published by China Planning Press, civil explosive professional standards were organized and published by China Ordnance Industrial Standardization Research Institute, electronic professional standards were organized and published by Electronics Standardization Institute of the Ministry of Industry and Information Technology of the People's Republic of China, communication professional standards were published by Posts & Telecom Press, communication engineering construction professional standards were published by Beijing University of Posts and Telecommunications Press. Attachment. the numbers, names and implementation dates of 17 automobile professional standards. Ministry of Industry and Information Technology of the People's Republic of China April 30, 2015 Attachment. Numbers, Names and Implementation Dates of 17 Automobile Professional Standards SN. Standard No. Standard name Superseded standard No. Implementation date SN. Standard No. Standard name Superseded standard No. Implementation date 287 QC/T 991-2015 Passenger Cars - Light Alloy Wheels - 90°Impact Test Procedure 2015-10-01 288 QC/T 717-2015 Road vehicle -Wheels- Requirements and Measuring Methods of Radial and Lateral Run-out QC/T 717-2004 ISO 16833. 2006, MOD 2015-10-01 289 QC/T 52-2015 Refuse Collection Vehicle QC/T 52-2000 2015-10-01 290 QC/T 652-2015 Suction-type Sewer Scavenger QC/T 652-2000 2015-10-01 291 QC/T 992-2015 Municipal Emergency Service Vehicle 2015-10-01 292 QC/T 993-2015 Explosive Transport Vehicle 2015-10-01 293 QC/T 994-2015 Demountable Tanker Carrier 2015-10-01 294 QC/T 995-2015 Hydrostatic Drive Modular Transporter 2015-10-01 295 QC/T 764-2015 Road Vehicles-Hydraulic Braking System-Simple Flare Pipes, Tube Tapped Holes Male Fittings and Hose End Fittings QC/T 764-2006 2015-10-01 296 QC/T 239-2015 Specifications and Bench Test Methods for Commercial Vehicle Service Brake QC/T 239-1997 QC/T 479-1999 2015-10-01 297 QC/T 996-2015 Specifications and Bench Test Methods of Automobile Air Dryer 2015-10-01 298 QC/T 997-2015 Structural Requirements of Integral Body for Buses 2015-10-01 299 QC/T 998-2015 The Technical Specification of Automotive Cabin Air Filter 2015-10-01 300 QC/T 999-2015 Specification of By-pass Luboil Filter Assembly for Automobiles 2015-10-01 QC/T 1000.1-2015 Performance Requirements and Test Methods of Non-woven on Automotive Filter-Part 1.Non-woven of Filters for Passenger Compartment 2015-10-01 QC/T 1000.2-2015 Performance Requirements and Test Methods of Non-woven on Automotive Filter-Part 2. Non-woven of Filters for Air 2015-10-01 SN. Standard No. Standard name Superseded standard No. Implementation date Filter 303 QC/T 1001-2015 Evaluation of Filterability of Vehicle Oil Filter - Particle Counting Method 2015-10-01 Foreword This standard was drafted in accordance with the rules given in "Directives for Standardization-Part 1. Structure and Drafting of Standards" (GB/T 1.1-2009). This standard supersedes “Performance Requirements for Passenger Car and Wagon Brakes”(QC/T 239-1997) and "Bench Test Methods for Passenger Car and Wagon Brakes "(QC/T 479-1999). This standard integrates all contents of QC/T 239-1997 and QC/T 479-1999, and compared with QC/T 239-1997 and QC/T 479-1999, it has the following main changes. ——GB/T 15089 was adopted for vehicle classification (see Chapter 1); ——Some terminologies and definitions were supplemented (see 3.7 and 3.12); ——The performance requirements of efficiency test were modified (see 4.1.1, 4.1.3, 4.1.5 and 4.1.8; 5.2, 5.4 and 5.7 of 1997 edition); ——The evaluation requirements of stability for braking torque in efficiency test were added (see 4.1.1, 4.1.3, 4.1.5 and 4.1.8); ——The upper limit requirements of braking efficiency in fade test were added (see 4.1.4.1 and 4.1.6.1); ——The requirements of high temperature braking efficiency in fade test were added (see 4.1.4.2 and 4.1.6.2); ——The requirements of braking efficiency after wear test were added (see 4.2.2 and 7.2.5); ——The calculation method of test inertia was modified (see 6.3; 7.1.6 of 1999 edition); ——Inspection prior to running-in was added (see 7.1.1); ——The efficiency test prior to running-in was added (the first efficiency test) (see 7.1.2); ——Normal temperature efficiency test was added (see 7.1.4 and 7.1.13); ——The initial braking speed in efficiency test was modified (see 7.1.5, 7.1.9 and 7.1.14; 7.2.2.1, 7.2.4.1 and 7.2.7.1 of 1999 edition); ——The test conditions in the first fade recover test were modified (see 7.1.7; 7.2.3 of 1999 edition); ——The test conditions of hydraulic brake in the second fade test were modified (see 7.1.11; 7.2.5.1 of 1999 edition); ——The test conditions of flexible test method in the second fade test were modified (see 7.1.11.7; 7.2.5.19 of 1999 edition); ——The test conditions in wear test were modified (see 7.2; 7.2.8.1 of 1999 edition); ——The evaluation method of braking torque was modified (see Appendix A; Figure 1 of 1999 edition). Appendix A of this standard is normative. This standard was proposed by and is under the jurisdiction of the National Technical Committee of Auto Standardization (SAC/TC 114). Chief drafting organizations of this standard. China FAW Group Corporation R&D Center, China Automotive Engineering Research Institute Co., Ltd. and Zhejiang Asia-pacific Mechanical & Electronic Co., Ltd. PROFESSIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA Specifications and Bench Test Methods for Commercial Vehicle Service Brake 1 Scope This standard specifies the terminologies and definitions, performance requirements as well as bench test methods of commercial vehicle s... ......