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QC/T 1075-2017

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标准编号: QC/T 1075-2017 (QC/T1075-2017)
中文名称: 排气催化转化器用金属蜂窝载体技术条件
英文名称: (Technical conditions for metal honeycomb carriers for exhaust gas catalytic converters)
行业: 汽车行业标准 (推荐)
发布日期: 2017-04-12
实施日期: 2017-10-01
标准依据: 工业和信息化部公告2017年第14号
范围: 本标准规定了排气催化转化器用金属蜂窝载体的技术要求、材料、试验方法、检验规则、标志、包装、运输和贮存。

QC/T 1075-2017
Technical specification of honeycomb metal substrate for exhaust catalytic converter
排气催化转化器用金属蜂窝载体技术条件
1 范围
本标准规定了排气催化转化器用金属蜂窝载体的技术要求、材料、试验方法、检验规则、标志、包
装、运输和贮存。
本标准适用于M类和N类机动车辆排气催化转化器用金属蜂窝载体。
2 规范性引用文件
下列文件对于本标准的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本
标准。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本标准。
GB/T 31942 金属蜂窝载体用铁铬铝箔材
3 术语和定义
F列术语和定义适用于本标准。
3.1
蜂窝结构 honeycombed structure
由薄壁围成的众多空间孔道所构成类似蜂巢形状的空间结构,该结构具有一定的外廓形状,如
圆柱状。
3.2
金属蜂窝载体 honeycomb metal substrate(以下简称载体)
将金属材料制造成蜂窝结构及外壳,提供发动机排气发生净化反应的场所。
3.3
孔密度 density of cells
蜂窝结构端面,除去最外周一层和中间孔周边一层,单位面积的孔个数,可用公制(或英制)面积
单位表述。
3.4
载体净体积 net volume of substrate
单个载体所含蜂窝结构体积,载体外壳不计在内。如果单个催化器内包含多块相对独立的蜂窝
结构,则各块蜂窝结构之间的空隙容积应去除不计。
3.5
载体总体积 total volume of substrate
载体尺寸所包围空间体积。
3.6
载体尺寸 substrate size
载体的外廓尺寸。
3.7
载体质量 substrate mass
涂敷催化剂前载体的外壳以及固定于其内部的蜂窝结构的总质量。
3.8
催化转化器 catalytic converter
安装在汽车排气系统中,通过催化剂进行氧化和(或)还原反应,降低排气中 CO、HC、NOx、PM
等有害物质排放量的装置。
3.9
汽油车歧管式催化转化器 manifold catalytic converter for petrol vehicles(以下简称歧管式催
化器)
安装在汽油车发动机舱内,由发动机排气歧管与催化转化器组成,且发动机歧管各支管交汇处
到催化器人口端的连续连接长度不大于 400 mm的催化器总成部件。
3.10
汽油车底盘式催化转化器 under-floor catalytic converter for petrol vehicles(以下简称底盘式催
化器)的催化器总成部件。安装在汽油车底盘下,距发动机排气歧管距离大于 400 mm
3.11
柴油车排气后处理装置 aftertreatment devices for diesel vehicle exhaust
安装在柴油车发动机排气系统中,能通过各种理化作用来降低排气中污染物排放量的装置。
4 技 术 要 求
4.1 基本要求
载体应按经规定程序批准的产品图样及技术文件制造,并应符合本标准的要求。同一规格应在
下列方面保持一致:
a) 蜂窝结构和载体外壳材料。
b) 蜂窝结构的孔密度。
c) 载体净体积。
d) 载体尺寸与载体总体积。
4.2 规格和允差
4.2.1 载体规格参数表参见附录 A。
4.2.2 表 1为载体规格及允差范围,如企业有相关规定,以企业技术文件为准。
4.2.3 表1为圆柱体载体,如果载体为其他结构形式应修改使用,并应在附录 A以及企业技术文件
中予以说明。
6 检 验 规 则
6.1 检验分类
载体的检验分为出厂检验和型式检验。
6.2 出厂检验
6.2.1 每个产品出厂前均应进行出厂检验,由厂质检部门检验合格,并出具合格证明。
6.2.2 检验项目及要求应符合 4.1〜4.3 的规定。
6.3 型式检验
有下列情况之一时,产品应进行型式检验:
a) 新产品定型;
b) 连续生产的产品,每两年一次;
c) 生产间隔一年以上再生产时;
d) 当产品设计工艺,材料等方面有重大改变时;
e) 产品质量出现问题时;
f) 其他认为有必要进行时。
6.3.1 抽样方法。
6.3.2 检验项目。
4.4〜4.6 要求的各试验项目。
6.3.3 判定规则。
6.3.3.1 型式检验结果应符合 4 技术要求相应规定。
6.3.3.2 型式检验中,任一检验项目不合格,应加倍抽样复检,如仍不合格,则判定为不合格品。
7 标志、包装、运输和贮存
7.1 标志
产品应有名称、型号、制造厂名和生产日期等钢印标识。
7.2 包装
a) 产品合格证;
b) 产品安装使用说明书;
c) 装箱单;
d) 应用户要求提供的文件。
7.3 运输
由供需双方商定。
7.4 贮存
产品应贮存于干燥、通风、无腐蚀的仓库内,不得直接接触地面。

QC/T 1075-2017
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.060.20
T 13
Technical specification of honeycomb metal substrate
for exhaust catalytic converter
排气催化转化器用金属蜂窝载体技术条件
ISSUED ON: APRIL 12, 2017
IMPLEMENTED ON: OCTOBER 1, 2017
Issued by: Ministry of Industry and Information Technology of the
People’s Republic of China.
Attachment:
Number, name and date of implementation of 22 automotive industry
standards
No. Standard number Standard name Number of standard replaced
Date of
implementation
301 QC/T 727-2017 Instrument for automobile and motorcycle QC/T 727-2007 2017-10-01
302 QC/T 803-2017 Oxygen sensor for automobile QC/T 803.1-2008 2017-10-01
303 QC/T 1072-2017 Gear position sensor for automobiles 2017-10-01
304 QC/T 1073.1-2017 Accelerometers for automobiles - Part 1: Linear accelerometers 2017-10-01
305 QC/T 1074-2017
Technical specifications for
automotive parts remanufacturing
products
2017-10-01
306 QC/T 1075-2017
Technical conditions for metal
honeycomb carrier of exhaust catalytic
converter
2017-10-01
307 QC/T 777-2017
Technical conditions for
electromagnetic fan clutch of
automobile
QC/T 777-2007 2017-10-01
308 QC/T 1076-2017
Performance requirements and test
methods for continuously variable
transmission (CVT)
2017-10-01
309 QC/T 1077-2017
Terminology and definitions for
classification of automatic control
transmission for automobile
2017-10-01
310 QC/T 1078-2017 Advertising vehicle 2017-10-01
311 QC/T 1079-2017 Suction & delivery vehicle 2017-10-01
312 QC/T 1080-2017 Mobile loudspeaker for popularization of science 2017-10-01
313 QC/T 1081-2017 Electric power steering device for automobile 2017-10-01
314 QC/T 1082-2017 Motor for electric power steering device of automobile 2017-10-01
315 QC/T 1083-2017 Controller for electric power steering device of automobile 2017-10-01
316 QC/T 1084-2017 Sensor for electric power steering device of automobile 2017-10-01
317 QC/T 1085-2017 X-ray testing for light-alloy wheel of motorcycle 2017-10-01
318 QC/T 1086-2017 Technical conditions for range extenders for electric vehicles 2017-10-01
Table of Contents
Foreword ... 7 
1 Scope ... 8 
2 Normative references ... 8 
3 Terms and definitions ... 8 
4 Technical requirements ... 10 
5 Test methods ... 12 
6 Inspection rules ... 15 
7 Marking, packaging, transportation and storage ... 16 
Appendix A (Informative) Substrate specification parameters ... 17 
Technical specification of honeycomb metal substrate
for exhaust catalytic converter
1 Scope
This Standard specifies the technical requirements, materials, test methods,
honeycomb metal substrate for exhaust catalytic converter.
This Standard applies to the honeycomb metal substrate for exhaust catalytic
converter of Class M and Class N motor vehicles.
2 Normative references
The following documents are essential for the application of this Standard.
For dated references, only the dated editions apply to this Standard. For
undated references, the latest editions (including all amendments) apply to
this Standard.
GB/T 31942 FeCrAl foil for metallic honeycomb substrates
The following terms and definitions apply to this Standard.
3.1 Honeycombed structure
A honeycomb-like spatial structure composed of a plurality of spatial channels
surrounded by thin walls having a certain outer shape, such as a cylindrical
shape.
3.2 Honeycomb metal substrate (hereinafter referred to as substrate)
A place where the metal material is fabricated into a honeycombed structure
and a housing, providing a purification reaction of the engine exhaust.
3.3 Density of cells
and the surrounding layer of the middle hole, the number of holes per unit
area may be expressed in metric (or British) area units.
3.4 Net volume of substrate
The volume of the honeycombed structure contained in a single substrate,
and the substrate housing is not counted. If a single substrate contains
multiple relatively independent honeycombed structures, the void volume
between each honeycombed structure shall be excluded.
3.5 Total volume of substrate
The volume of space enclosed by the substrate size.
The outer size of the substrate.
3.7 Substrate mass
The total mass of the housing of the substrate before coating the catalyst and
the honeycombed structure fixed to the interior thereof.
3.8 Catalytic converter
A device mounted in an exhaust system of an automobile to perform oxidation
and/or reduction reaction by a catalyst to reduce the emission of harmful
substances such as CO, HC, NOx, and PM in the exhaust gas.
3.9 Manifold catalytic converter for petrol vehicles (hereinafter
A catalytic converter assembly component that is mounted in the engine
compartment of a petrol vehicle and consists of an engine exhaust manifold
and a catalytic converter, and the junction of each branch of the engine
manifold to the inlet end of the catalytic converter is not more than 400mm.
3.10 Under-floor catalytic converter for petrol vehicles (hereinafter
referred to as under-floor catalytic converter)
A catalytic converter assembly that is mounted under the petrol vehicle
chassis and at a distance of more than 400mm from the engine exhaust
manifold.
A device mounted in the exhaust system of a diesel engine that can reduce
the emission of pollutants in the exhaust gas through various physical and
chemical functions.
d) Other phenomena that affect normal use.
4.5 Vibration durability
4.5.1 The substrate shall be subjected to a thermal vibration test in
accordance with 5.3 of this Standard.
4.5.2 Before and after the thermal vibration test, the differential pressure of
the front and rear end faces under the substrate airspeed of (60,000±600)h-1
pressure value shall not exceed 15%.
4.5.3 After the thermal vibration test, the substrate shall not exhibit obvious
deformation of the honeycomb, falling off or detachment of the honeycombed
structure and the housing, severe deformation of the outer contour, and other
damages. Other forms of damage may be specified in detail by the
company's technical requirements.
4.6 Temperature shock durability
4.6.1 The substrate shall be subjected to a temperature shock test in
accordance with 5.4 of this Standard.
of the front and rear end faces under the substrate airspeed of
(60,000±600)h-1 is measured at normal temperature, and the change of the
differential pressure value shall not exceed 15%.
4.6.3 After the temperature shock test, the substrate shall not exhibit
obvious deformation of the honeycomb, falling off or detachment of the
honeycombed structure and the housing, severe deformation of the outer
contour, and other damages. Other forms of damage may be specified in
detail by the company's technical requirements.
5 Test methods
5.1.1 Before the test, it shall be confirmed that the substrate is in a brand
new state in which the catalyst is not coated.
5.1.2 MEASURE, RECORD and CONFIRM that the initial state of the test
sample meets the specifications of 4.2.
5.1.3 According to the different classification categories of the substrate
application environment, there are differences in different types of test
conditions.
end faces of the substrate at the airspeed of (60,000±600)h-1 is measured at
normal temperature, and check the integrity of the substrate.
6.1 Inspection category
The inspection of the substrate is divided into exit-factory inspection and type
inspection.
6.2 Exit-factory inspection
6.2.1 Each product shall be inspected at the factory before leaving the
factory, and shall be inspected by the quality inspection department of the
factory, and a certificate of conformity shall be issued.
6.2.2 The inspection items and requirements shall comply with the
provisions of 4.1 to 4.3.
In case of any of the following circumstances, the product shall be subject to
type inspection:
a) new product finalization;
b) continuously produced products, once every two years;
c) re-production when the production interval is more than one year;
d) when there are major changes in product design processes, materials,
etc.;
e) when there is a problem with the quality of the product; and
f) other time when it is deemed necessary.
The type inspection adopts random sampling. Three products are randomly
selected from the products qualified for exit-factory inspection, and the
sampling base is not less than 100.
6.3.2 Inspection item.
The test items as required in 4.4 to 4.6.
6.3.3 Determination rule.
6.3.3.1 The type inspection results shall comply with the corresponding
provisions of 4 Technical requirements.
6.3.3.2 In the type inspection, if any inspection item is unqualified, it shall be
   
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