GB/T 28672-2012 English PDF

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GB/T 28672-2012: The technical specifications for remanufacture of automotive components -- Alternator
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28672-2012	169	Add to Cart	3 days	The technical specifications for remanufacture of automotive components -- Alternator	Valid

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Basic data

Standard ID: GB/T 28672-2012 (GB/T28672-2012)
Description (Translated English): The technical specifications for remanufacture of automotive components -- Alternator
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T36
Classification of International Standard: 43.040.10
Word Count Estimation: 7,770
Quoted Standard: GB/T 26989; GB/T 28675; GB/T 28676; GB/T 28677; GB/T 28678; GB/T 28679; QC/T 413-2002; QC/T 729-2005
Regulation (derived from): National Standards Bulletin No. 24 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the remanufactured alternators terms and definitions, dismantling, sorting and cleaning, inspection and repair, assembly, performance requirements and test methods, inspection rules, marking and packaging. This standard applies to

GB/T 28672-2012: The technical specifications for remanufacture of automotive components -- Alternator

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
The technical specifications for remanufacture of automotive components. International ICS 43.040.10 T36 National Standards of People's Republic of China Technical Specification for Remanufactured Products of Auto Parts Alternator -Alternator 2012-09-03 released 2013-01-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the National Automotive Standardization Technical Committee (SAC/TC114) centralized. This standard was drafted. Shanghai Automotive Industry (Group) Corporation, Changzhou Parker Electric Co., Ltd., Shanghai Exit Inspection and Quarantine, in National Automotive Technology Research Center, China Association of Automobile Manufacturers, Dongfeng Motor Corporation. The main drafters of this standard. Li Li, Teng Guoping, Wu Yiwen, Zhang Tongzhu, Yu Lan, BU Xinwen, Yao Honghua, Dai Qilian, Xu Lingyun, Zhang Libin. Technical Specification for Remanufactured Products of Auto Parts Alternator

1 Scope

This standard specifies the terms and definitions of remanufactured alternators, dismantling, classification and cleaning, testing and repair, assembly, performance requirements and Test methods, inspection rules, marking and packaging. This standard applies to the remanufacturing of automotive alternators, other motor vehicles remanufactured alternators can be implemented by reference.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 26989 Automotive recycling terms GB/T 28675 automotive parts remanufacture dismantling Automotive parts remanufacturing classification GB/T 28677 automotive parts remanufacture cleaning GB/T 28678 automotive parts remanufacture factory acceptance GB/T 28,679 auto parts remanufacture assembly Automotive electrical equipment - Basic technical conditions Technical condition of alternator for automobile

3 Terms and definitions

GB/T 26989 defined terms and definitions apply to this document. 4 dismantling, classification and cleaning 4.1 Dismantling 4.1.1 The disassembly of alternator shall comply with the provisions of GB/T 28675. 4.1.2 The alternator is disassembled into. pulley, fan, cover, regulator assembly, front cover assembly, rotor assembly, rear cover assembly, stator Assembly, heat sink and so on. --- Front cover components can be disassembled into. front cover, bearing cap, bearings, bushings, etc .; --- Rotor assembly can be disassembled into. rotor, bearing; --- Rear cap assembly can be disassembled into. Rectifier bridge, bearing sleeve and so on. 4.2 Classification 4.2.1 alternator classification should be consistent with the provisions of GB/T 28676. 4.2.2 The following parts should be new pieces. a) bearing; b) Bearing sleeve. 4.2.3 The following parts are recommended for new parts. a) Fasteners; b) Cover; c) pulley; d) brush spring; e) brush. 4.3 cleaning 4.3.1 After cleaning the alternator dismantling parts should be consistent with the provisions of GB/T 28677. 4.3.2 Alternator cleaning methods commonly used solution cleaning method or solid, liquid shot peening method. 4.3.3 The front and rear end caps were cleaned, and the surface was shot peening (mounting holes, threaded holes should be protected). 4.3.4 The stator core selection appropriate solution for cleaning, the stator assembly surface rust treatment. 4.3.5 Rotor Assembly Select the appropriate solution for cleaning, the rotor claw on the outer surface of a very anti-rust treatment. 4.3.6 regulator assembly, rectifier bridge using the appropriate solution for cleaning. Rear cover and rectifier bridge can not be disassembled, the back cover sandblasting Do not damage the rectifier bridge connecting plate and the electrical performance requirements of the surface. 4.3.7 pulleys, fans, bearing caps, bushing cleaning, the surface should be anti-rust treatment.

5 test

5.1 Pulley and fan 5.1.1 According to the requirements of 5.1.2, 5.1.3 Check the pulley and fan shall comply with the requirements of the product drawings, if not meet the replacement New item. 5.1.2 When checking the pulley groove should pay attention to the pulley groove shall not have obvious signs of wear and tear, bump depression and other defects. Multi-slot pulley external Shoulders should not have dent defects. 5.1.3 Check the fan shall not move the side, cracks, damage and other defects, and check the fan shaft hole size, axial runout should be consistent with product drawings Required rules. 5.2 rotor assembly 5.2.1 According to the requirements of 5.2.2, 5.2.3, 5.2.4, 5.2.5 Check the rotor assembly should meet the requirements of the product drawings, if not meet Replacement of new parts. 5.2.2 Set the diameter of the collector ring to detect radial runout at the bearing should be consistent with the requirements of product drawings. 5.2.3 Check the rotor assembly of the collector ring claw pole withstand voltage performance, should comply with the provisions of 3.8.1 of QC/T 413-2002. 5.2.4 Detection before and after the rotor bearing size, rotor diameter, should be consistent with product drawings requirements. Rotor claw pole outer circle should be no rub Iron traces. 5.2.5 Check the built-in fan should not be cracked or damaged, measuring the height of the blades before and after the wind, the slight deformation of ultra-poor blades available nylon hammer Shape, the height and shape of the blade should be consistent with the requirements of product drawings. 5.3 stator assembly 5.3.1 According to the requirements of 5.3.2, 5.3.3, 5.3.4, 5.3.5 Check the stator assembly should meet the requirements of product drawings, if not meet Replacement of new parts. 5.3.2 The overall dimensions of the detection coil shall comply with the requirements of the product drawings. 5.3.3 The coil lead wire shaping treatment, leads to the insulation on the wire should be replaced. 5.3.4 Check the stator core may not bruise, the inner surface may not have iron traces. 5.3.5 Check the stator voltage withstand performance, should comply with the provisions of 3.8.1 of QC/T 413-2002. 5.4 rectifier bridge 5.4.1 According to the requirements of 5.4.2,5.4.3 check rectifier bridge should meet the requirements of the product drawings, if not meet the new parts should be replaced. 5.4.2 Check the rectifier bridge components may not have deformation, corrosion or cracks and other parts of the function defects. 5.4.3 Check the performance of the rectifier bridge electrical appliances should be consistent with the provisions of the technical agreement between the supply and demand of products. 5.5 regulator assembly 5.5.1 According to the requirements of 5.5.2,5.5.3,5.5.4 Check regulator assembly should meet the requirements of product drawings, if not meet the replacement New item. 5.5.2 Check the regulator assembly may not have deformation, corrosion or cracks and other defects affecting the function of the parts. 5.5.3 Check the regulator assembly electrical performance should be consistent with the requirements of product drawings. 5.5.4 According to product technical requirements regulator regulator adjustment function. 5.6 front and rear cover assembly 5.6.1 According to the requirements of 5.6.2, 5.6.3 Check before and after the end cap assembly shall comply with the requirements of product drawings, if not meet the replacement New item. 5.6.2 Check the front and rear end caps, there shall be no deformation, corrosion or cracks and other parts of the defect. 5.6.3 Inspection bearing hole diameter, all mounting holes and mouth size, etc. should be consistent with product drawings requirements.

6 assembly

6.1 will be cleaned, repair and testing of qualified components and replacement parts reassembly, assembly shall comply with GB/T 28679 requirements. 6.2 Assembly, should pay attention to the fastener assembly sequence, and according to product drawings to check the fastener torque.

7 Performance requirements and test methods

7.1 Remanufactured alternator test environment conditions shall comply with the provisions of 4.2 of QC/T 729-2005. 7.2 Remanufactured alternator basic performance requirements and test methods shall comply with the provisions of Chapter 4 and Chapter 5 of QC/T 729-2005, the The project should include. a) appearance, installation size and tightening torque; b) Appearance; c) cold working performance; d) hot work performance; e) Regulator characteristics; f) high temperature regulation voltage and temperature compensation coefficient; g) noise; h) temperature rise; i) speeding j) Dielectric strength; k) degree of protection; l) Cold characteristic curve. 7.3 Durability test According to QC/T 729-2005 5.19 requirements. Alternators should withstand a durability test of 1600h, or 96000km road test, or high temperature 240h and high temperature high speed 400h and emergency speed 240h durability test. After the test, the thermal performance values allowed to be 5% lower than the thermal performance values prior to the durability test, the voltage regulation values should be in accordance with QC/T 729- 2005, the provisions of 4.9.1, stator, rotor insulation resistance should be greater than 1MΩ.

8 Inspection rules

8.1 factory inspection 8.1.1 factory inspection items are as follows. a) Installation dimensions, tightening torque and appearance; b) cold working performance; c) adjust the voltage value; d) Noise. 8.1.2 Other factory acceptance requirements in line with GB/T 28678 requirements. 8.2 Type test 8.2.1 The type test shall be conducted under any of the following conditions. a) Remanufactured alternators before mass production; b) Remanufactured alternators resume production after two years of shutdown; c) After significant changes in the remanufacturing process. 8.2.2 Type test requirements In accordance with the provisions of 6.3 of QC/T 729-2005, type test items according to the provisions of 7.2.

9 logo and packaging

9.1 Remanufactured alternator signs and packaging should be re-manufactured logo. 9.2 package comes with a motor factory inspection report. 9.3 Other packaging requirements According to the provisions of GB/T 28678. 2102- T / ......

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