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QC/T 1-2017 English PDF

QC/T 1-2017 (QC/T1-2017, QCT 1-2017, QCT1-2017)
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Standard ID QC/T 1-2017 (QC/T1-2017)
Description (Translated English) General requirements for automotive product drawing
Sector / Industry Automobile & Vehicle Industry Standard (Recommended)
Classification of Chinese Standard T04
Word Count Estimation 12,189
Date of Issue 2017-01-09
Date of Implementation 2017-07-01
Older Standard (superseded by this standard) QC/T 1-1992
Regulation (derived from) Ministry of Industry and Information Technology Announcement No.2 of 2017
Summary This standard specifies the basic requirements for automotive product drawings.

Standards related to: QC/T 1-2017

QC/T 1-2017
ICS 43.020
T 04
Replacing QC/T 1-1992
General requirements for automotive product drawing
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 3 
1 Scope ... 10 
2 Normative references ... 10 
3 Terms and definitions ... 10 
4 General requirements ... 10 
5 Drawing of the drawing ... 11 
6 Writing of technical requirements ... 16 
References, names and dates of implementation of 42 automotive industry
No. Standard reference Standard name
reference being
Date of
250 QC/T 776-2017 Motor caravan QC/T 776-2007 2017-07-01
251 QC/T 1051-2017 Coach car 2017-07-01
252 QC/T 1052-2017 Communication vehicle 2017-07-01
253 QC/T 1053-2017 Concrete spraying vehicle 2017-07-01
254 QC/T 1054-2017 Tunnel cleaning vehicle 2017-07-01
255 QC/T 1055-2017 Drainage and rescue vehicle 2017-07-01
256 QC/T 218-2017
specifications for
steering column
upper combined
switch of automobile
QC/T 218-1996 2017-07-01
257 QC/T 1056-2017
requirements and test
methods for
automotive dual
clutch automatic
258 QC/T 245-2017
specifications for
isolated plant of
gas (CNG)
QC/T 245-2002 2017-07-01
259 QC/T 247-2017
specifications for
isolated plant of
liquefied petroleum
QC/T 247-2002 2017-07-01
260 QC/T 1057-2017 Car snow chains 2017-07-01
261 QC/T 1058-2017 Car fingerprint identification device 2017-07-01
262 QC/T 1059-2017
Automobile cab
torsion bar type flip
and lock mechanism
263 QC/T 32-2017
Test methods of air
cleaners for
QC/T 32-2006 2017-07-01
264 QC/T 597.1-2017
Threaded fasteners -
Pre - coated adhesive
- Technical
requirements - Part 1.
Microcapsule locking
QC/T 597-2017 2017-07-01
265 QC/T 597.2-2017
Threaded fasteners -
Pre - coated adhesive
- Technical
requirements - Part 2.
Polyamide locking
266 QC/T 1-2017
Basic requirements
for automobile
products drawing
QC/T 1-1992 2017-07-01
267 QC/T 2-2017 Drawing format of automobiles QC/T 2-1992 2017-07-01
268 QC/T 3-2017
Completeness of
drawings and design
documents about
QC/T 3-1992 2017-07-01
269 QC/T 4-2017
Method for change
about product
drawing and design
document regulations
of automobile
QC/T 4-1992 2017-07-01
270 QC/T 5-2017
examination for
automobile product
drawings and design
QC/T 5-1992 2017-07-01
271 QC/T 18-2017
Automobile products
drawing and design
documents - Terms
QC/T 18-1992 2017-07-01
272 QC/T 340-2017
Hexagon flange
bearing surface with
tooth bolt
QC/T 340-1999 2017-07-01
283 QC/T 1067.1-2017
Road Vehicles -
Connections for On-
board Electrical
Wiring Harnesses -
Part 1. Definitions,
Test Methods and
General Performance
Requirements (the
Automobile Part)
QC/T 417.1-
2001 2017-07-01
284 QC/T 1067.2-2017
connectors for
electrical harnesses
and electrical
equipment - Part 2.
Types and
dimensions of plug
QC/T 417.3-
QC/T 417.4-
QC/T 417.5-
285 QC/T 1067.3-2017
connectors for
electrical harnesses
and electrical
equipment - Part 3.
Wire connector type,
size and special
QCn 29010-
QCn 29011-
QCn 29013-
286 QC/T 1068-2017
Asynchronous drive
motor system for
electric vehicles
287 QC/T 1069-2017
Permanent magnet
synchronous drive
motor system for
electric vehicles
288 QC/T 1070-2017
specifications of
automobile parts
289 QC/T 1071-2017
Test method for
steady state flow
characteristics of
automotive engine
cylinder head airways
General requirements for automotive product drawing
1 Scope
This Standard specifies general requirements for automotive product drawing.
This Standard is applicable to the drawing of automobile product drawing
(hereinafter referred to as the drawing).
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.
QC/T 2, Automotive product pattern format
QC/T 18, Automobile products drawing and design documents - Terms
QC/T 265, Coding rules of automobile part and component
QC/T 490, Drawings for motor vehicle body
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in QC/T
18 apply.
4 General requirements
4.1 The drawing shall be drawn in accordance with the national standards,
industry standards and other standards or regulations related to mapping, to be
correct, complete, unified, clear.
4.2 The terms, codes, words, graphics, structural elements and units of
measurement on the drawing shall comply with relevant standards or
regulations. The coordinate system complies with the provisions of QC/T 490.
4.3 The views and technical requirements on the drawing shall indicate the
structure and contour of the products and components, and serve as the
5.1.11 Unspecified dimensional tolerances, geometric tolerances and surface
structures shall be specified in the corresponding standards or specified in the
technical requirements.
5.2 Assembly drawing.
5.2.1 Each assembly shall generally draw a separate assembly drawing.
5.2.2 The assembly drawing shall clearly express the followings.
a) relationship between parts, structure and assembly that make up the
b) main assembly dimensions and tolerances;
c) dimensions, limit deviations, surface structures, etc. that need to be
machined during assembly;
d) technical requirements for the assembly.
5.2.3 The parts and sub-assemblies that make up the assembly are generally
marked with a leader line in the drawing. Fill in the item numbers in the parts
list. Or directly mark the part number on the guide line in the drawing. If there is
embedded software, the software number is filled in the parts list. However, the
number of the sub-assembly and its subordinate parts shall not appear on the
assembly pattern at the same time.
5.2.4 If an assembly consists of a complex part and another part that is simple
in structure and size, it allows the shape of the simple part to be drawn on the
complex part pattern with fine double-dotted lines. The assembly drawing
composed of these parts are no longer drawn, but the structure, contour,
dimensions, technical requirements and assembly relationship with the simple
parts shall be clearly expressed. The information of the complicated parts is
filled in the title bar, and the information of the assembly is filled in the extended
title bar.
5.2.5 The assembly of the left and right, front and rear, and up and down
symmetrical assemblies is the same as the requirements of 5.1.3.
5.2.6 When the parts of the assembly are combined and connected by changing
the shape or bonding, the deformation or bonding position in the view shall be
marked with the lead line (such as flange, pipe expansion, shop equal) or in the
technical requirements.
5.2.7 The electrical diagram assembly diagram generally includes the mark
symbol status table, connector model, pin definition, performance parameter
table, and schematic. Graphical symbolic description is allowed.
deviations, materials, overlays, technical requirements, etc. Variables in the
table can be marked with letters or text.
5.6.3 The product or part that the structure is basically the same, only the
individual elements (such as the number of holes, the number of slots, the
position of the holes or slots) are different, when drawing the table drawing,
shall separately draw the partial graphics of the differences. And in the table
column that indicates the graphic, mark the corresponding mark codes to the
partial graphics.
5.6.4 The view of the table drawing shall select a more appropriate specification
in the table. Draw in scale or sketch.
5.7 Alternative drawing.
5.7.1 Parts that can clearly express the composition with the text or the text and
partial view can use alternative drawing.
5.7.2 When it is necessary to reassemble the assembly of different group
numbers or group numbers specified in QC/T 265 into a large assembly, an
alternative drawing is allowed. The drawing number is compiled according to
the group number of the larger component or the assembly within the group
5.8 Schematic.
5.8.1 The connection between input and output shall be marked and it shall
clearly indicate the functions of the product and the working procedures.
5.8.2 Graphic symbols (codes) shall comply with relevant standards and
5.8.3 The movable part of the component shall be drawn in the normal position.
5.8.4 A description of the function of each link shall be noted, and the complex
product can be divided into schematics.
5.9 Wiring drawing.
5.9.1 The drawing of the wiring drawing shall comply with relevant standards
and regulations.
5.9.2 The circuit number and azimuth number of each component connected to
each other in the system shall be indicated. If necessary, note the wiring line
specification and color.
5.9.3 Automotive product can use several sub-wiring drawings to form a total
wiring drawing. If necessary, indicate the location and requirements.