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QC/T 1022-2015

Chinese Standard: 'QC/T 1022-2015'
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Detail Information of QC/T 1022-2015; QC/T1022-2015
Description (Translated English): Technical specification for reduction gearbox of battery electric passenger cars
Sector / Industry: Automobile & Vehicle Industry Standard (Recommended)
Classification of Chinese Standard: T47
Classification of International Standard: 43.040
Word Count Estimation: 15,173
Date of Issue: 2015-10-10
Date of Implementation: 2016-03-01
Drafting Organization: Anhui Xingrui Gear Transmission Co., Ltd
Administrative Organization: National Automotive Standardization Technical Committee
Regulation (derived from): PRC MIIT Announcement 2015 No.63

QC/T 1022-2015
QC
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 47
Technical specification for reduction
gearbox of battery electric passenger cars
纯电动乘用车用减速器总成技术条件
ISSUED ON. OCTOBER 10, 2015
IMPLEMENTED ON. MARCH 1, 2016
Issued by. Ministry of Industry and Information Technology of the
People 's Republic of China
Table of Contents
Notice ... 3 
Foreword ... 5 
1 Scope ... 6 
2 Normative references ... 6 
3 Terms and definitions ... 7 
4 Basic parameters ... 7 
5 Requirements ... 8 
6 Test methods ... 9 
7 Inspection rules ... 19 
8 Marks, packaging, transport and storage ... 20 
Annex.
13 automotive industry standard numbers, standard names and date of
implementation
No. Standard No. Standard name Standard No. substituted
Date of
implementation
649 QC/T 1014-2015 The starting motor commutator for Automobile and motorcycle March 1, 2016
650 QC/T 1015-2015 Automotive air conditioner controller
March 1, 2016
651 QC/T 501-2015 Automotive Signal Flasher QC/T 501-1999 March 1, 2016
652 QC/T 1016-2015 Door trim panel assembly for passenger cars
March 1, 2016
653 QC/T 1017-2015 Headlamp cleaning nozzle assembly
March 1, 2016
654 QC/T 1018-2015 Step Plate for Automotive March 1, 2016
655 QC/T 1019-2015
Performance requirements and
bench test methods of
automobile gear shifting control
device
March 1, 2016
656 QC/T 1020-2015
Test methods for constant
velocity universal joint and
assemblies for Automobiles
March 1, 2016
657 QC/T 1021-2015
Performance requirements and
bench test methods of ball stud
assy of automotive suspension
March 1, 2016
658 QC/T 648-2015
Performance requirements and
bench test methods of
automotive steering tie rod assy
QC/T 304-1999
QC/T 648-2000
QC/T 650-2000
March 1, 2016
659 QC/T 1022-2015
Technical specification for
reduction gearbox of battery
electric passenger cars
March 1, 2016
660 QC/T 1023-2015
General Requirement of Traction
Battery System for Electric
Vehicles
March 1, 2016
661 QC/T 1024-2015 One-part polyurethane sealant for automobiles
March 1, 2016
Foreword
This Standard was drafted in accordance with the rules given in GB/T
1.1-2009 Directives for standardization - Part 1. Structure and drafting of
standards.
This Standard was proposed by and shall be under the jurisdiction of National
Technical Committee on Automobile of Standardization Administration of
China (SAC/TC 114).
This Standard does not involve patents.
Main drafting organization of this Standard. Anhui Xingrui Gear Transmission
Co., Ltd.
The drafting organizations of this Standard. China Automotive Technology
Research Center, Zhejiang You Knight Motor Co., Ltd., Anhui Jianghuai
Automobile Co., Ltd., Anhui Juyi Automation Equipment Co., Ltd., Chery New
Energy Automotive Technology Co., Ltd., Chongqing Changan New Energy
Automobile Co., Ltd., Zhejiang Geely Automobile Co., Ltd.
Main drafters of this Standard. Yin Xibing, Yang Haihua, Xue Limei, Zhou
Rong, Zhang Yingnan, Tao Cheng, Dong Demin, Li Qucheng, Xu Hua, Guo
Yanhui, Zheng Yichao, Shi Yong, Jiang Zhengjun, Wei Wensheng, Wu
Qingsuan, Liu Hui, Wang Shuwang, Cheng Zhongping, Yuan Changrong,
Guo Lishu.
Technical specification for reduction
gearbox of battery electric passenger cars
1 Scope
This Standard specifies the basic parameters, requirements, test methods,
inspection rules and marks, packaging, transport, storage for reduction
gearbox of battery electric passenger cars.
This Standard is applicable to reduction gearbox assembly for battery electric
passenger cars (hereinafter referred to as reducer).
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including
any amendments) applies.
GB/T 191, Packaging. Pictorial marking for handling of goods
GB/T 2828.1, Sampling procedures for inspection by attribute - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 10125, Corrosion tests in artificial atmospheres - Salt spray tests
GB/T 19596, Terminology of electric vehicles
QC/T 568.1, Rig testing method for auto manual transmission assembly -
Part 1. mini-vehicle
QC/T 572, Directives for motor vehicle cleanness - Measuring method
QC/T 573, Performance Requirements and Bench Test Methods for
Passenger Car Brake
QC/T 575, Work guide for automobile cleanness - Analysis method for
impurity
QC/T 29063.1-2011, Technical specification for auto manual transmission
assembly - Part 1. mini-vehicle
Reduction ratio -
5 Requirements
5.1 Basic requirements
5.1.1 The reducer shall comply with the requirements of this Standard and
shall be manufactured in accordance with the prescribed procedures for the
design of the product drawings and technical documents.
5.1.2 The appearance of the reducer shall be clean, without rust and
oxidation.
5.1.3 The fasteners, put oil plugs, etc. shall be tightened or installed
according to the tightening torque specified in the technical documents; shall
not be loose and missing.
5.1.4 There shall be no leakage oil at each joint surface and oil seal so as to
meet the requirements of sealing test.
5.1.5 Each movement part shall be flexible, without hysteresis.
5.1.6 There shall be no debris that affects the cleanliness of the reducer.
5.1.7 Reducer resistance to salt spray capacity shall be able to meet the
relevant provisions of GB/T 10125. The test period shall not be less than 48 h.
5.2 Bench test requirements
5.2.1 Dynamic sealing performance
During the test, the seals shall not have "drops" of oil leakage.
5.2.2 Temperature rise performance
During the test, the oil temperature of reducer shall not be greater than the
maximum allowable temperature. And the temperature time curve shall be
smooth without mutation.
5.2.3 High temperature performance
There shall be no oil leakage during the test. And bearings, gears, oil seals
and other parts shall not be ablated or damaged to affect the normal
operation of the reducer.
5.2.4 Fatigue life
After completion of the fatigue life test, the main parts shall not be damaged,
connection with the vehicle shall meet the design requirements.
6.1.2 Visually inspect the appearance of the reducer. It shall be free of dirt,
corrosion and oxidation.
6.1.3 Check the tightening torque of the bolt with the torsion torque wrench
method.
6.1.4 The sealing test shall be carried out in accordance with the airtight or
immersion method specified in 6.1.6 of QC/T 29063.1-2011.
6.1.5 Fill lubricants as specified. Start the test bench. Carry out the positive
rotation test and the reverse rotation test in sequence. Check whether there is
the reducer stuck or abnormal sound. Or test the noise of the reducer under a
special test environment with an instrument.
6.1.6 Cleanliness test shall be performed in accordance with QC/T 572,
QC/T 573 and QC/T 575.
6.1.7 Salt spray test shall be carried out in accordance with the provisions of
GB/T 10125. The exposed area shall not be less than that in the installed
state of the vehicle. The duration of the test shall not be less than 48 h.
6.2 Bench test method
6.2.1 The test shall be carried out according to the requirements for bench
test of this Standard or purchaser.
6.2.2 Equipment
6.2.2.1 Test equipment
The reducer bench test shall have the following equipment.
a) drive device in stable operation under the maximum input rotation
speed;
b) oil temperature and room temperature measurement recorder of
continuous recording reducer;
c) drive device;
d) suction device;
e) speed, torque and timer, measurement data logger;
f) safety device;
g) oil temperature control device;
3) the oil temperature is controlled within 80°C ± 5°C;
4) the test only measures the positive direction; determine in sequence
according to the requiremen......
Related standard:   QC/T 741-2014  QC/T 989-2014
   
 
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