This part specifies the general rules for the lines used in mechanical drawing. This standard applies to mechanical engineering drawings. GB/T 4457.4-2002 Mechanical drawing drawing method lines GB/T4457.4-2002 Standard download decompression password: www.bzxz.net

ICS C1.100, 20
National Standard of the People's Republic of China
GB/T4457.4—2002
Replaces (GB/T 1157.：-1984
Mechanical drawings
Drawing method
Mechanical drawings-General principles of presentation-Lines(1St) 128-24.1999, Technical drawings(general principles of presentation-Part 24:Lines on mechanical engineering drawing.MoDy2002-09-06 Issued
People's Republic of China
[General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
2003-04-01 Implementation
Normative references
Basic requirements
4 Type modification and its application
Drawing line change and drawing line group
Appendix A (informative supplement)
Liao Wenjian
Table! Cutting type and application
Line plastic application examples
Table Drawing line width and drawing line group
Table 4.1 Application examples of my type
GD/T 4457.4—2002
CB/1445/4—292
This part of the machine drawing list is one of the national notes: The following lists the national marked items and their corresponding international standards, as well as the national software standards that will replace them. 4H/T4457.4—2003 machine drawing
——2 machine drawing
ih/r445 8.s2003
GP/44,J8)
Graphic line (122G/47.419
Selection layer
Graphic drawing method medical 11S1128-3.Situation 4-58.—[584) machine welcome
Wish composition TS door 124 generation
This part is for the industry in 151123-:15 technical drawingWww.bzxZ.net
Figure Sample method machine reduction work protection medical diagram (collection). Five 1S0128-21:10 of the volatile moisture use to reduce the use of. The main differences are as follows in 1 liter 2? 01.1.16, .1.18012.3, 1.2.6, 04.1.5 and 051.10 line plastic should be monthly and example
delete cloud [(14.2.2 create plane position line:
a history change 1. Chinese base domain medical example! ||t t||01.1.2 The dividing line of the factory is not a small test: - the contention of the literature
This part can be G1157.1!81 tree ratio to change Liu: increase 702.2 rough virtual reduction and square should:
... The ratio of the military line and the fine line is from: : 1 to 2: ": period to go to the "wave method" a soldier
ground t1 J 01. 1. .6*. :. 7,01. 1. 9, 01. 1. 13, . 1. 14,0)1. 1. t, (1. 1. 19, :1. .. 20,0]. 2. 3 ~01.210.04.1.4,34.1.5.05.1.3.55.1.6, 05.1.8, 05.1.9 Sub-application small list Appendix 1 of this part is a sample appendix,
part of it will be published by the national technical product document standardization technical inspection meeting. Part of the National Technical Product Document Standardization Technical Committee (CSTS/: 1G, this part of the military only: Mechanical Science Research Institute, the State Technical Standards Institute, Beijing University, Tianjin Center Testing Technology Station. This part is limited to the following: Yang Donghuan, drive set, Shangtan Yu, quality Beijing Beach, Zhang shape, lamp level, this part replaces the standard version: G24-2251GT 157... 1OR.1.
1 Scope
Mechanism drawing
Drawing method
This part specifies the general rules of the drawing lines used in the batch micro drawing. This part is used for machine! Engineering drawings,
2 Normative references
CB,T 4457. 4—2002
The following clauses are the most recent references, and any subsequent amendments (excluding those that are not included in the revised version) are not applicable to this part. However, the new version of the document issued according to this part is not applicable to the latest version. The references are not dated, and the latest version is applicable to the market.
3/T16r39.1 Requirements for thermal image terminal micro-manufacturing components (nqJS)6128)GT 17453 This drawing ID: 01822
3 Basic requirements
3.1 (13/T: 71%0 is the basis of this part. This part is a supplement to the drawing practice standard (3/T1745) and the basic line type equipment, scale, marking and drawing of the current registration area (GT3/1713032 Requirements for line microfilm (/10522.4. 4 Line type and its application
The code specification in the first column of Table 1 3/T1745 Road Mountain, Table 1 Line type and application
of the head
1 social design
leading drama
hand-held cross-section of the wheel
study center line
screw Jimi City line
size continuous start and end war
min out
GA/T4457.4—2002
flower parrot n
head of the head
suction block
Jing solid line
stop navigation
two bottom science
.1% Five recurrences to find a small heat, then: the tooth root line 1 shape knot to the surface set
15 position with a piece
e auxiliary radiation load
.17 not even the same agricultural note load
! Just look at the law of the market, the type of ticket connection
19 light load
.2 the same item load
break the micro-reaching boundary: the heat and the vice certificate system and the ticket are relatively 22 break type at the boundary or: the current map of the public boundary war can be sent by the wind age
.? Can think of the wheel effect
3 three deletions ||tt| |Car control 5 carbon efficiency
: public load
table economic chart, the main support in the flow chart
military also concluded the moving average: will belong to the active average work milk
.1 can be used
,: ten visible control selection shallow
-this can
happy you
Liu center line
hole announced the center setting
limit table naturally
agent Nr
Hu Shuang total students
table 1 continued
most appropriate results||tt| |Difficult neighbor auxiliary wheel naturally
with the extreme number of dynamic parts to try to set the wheel point
forming wheel purchase line
cut front to eat shot wheel hemp station
.e Kai also fast
gross bad finished product internal system war
hold the crown wind board line
code god Gong Wu belt clothes show change
gongda use station will be the life play
zhong Si Yan
in the active figure of the mountain one more single that is to come small wave exhaustion topic black exhaustion, table: various line types in the bottom use example reference except record A. Drawing line transformation and drawing line group
GB/T44574—2D02
The medical and drawing group are shown in Table 3. In the flow chart, two types of settings are used, and the ratio between them is 2. Table 2 National competition degree and drawing practice classification
War type
Shen Yuanyuanchuan's drawing line group number:
And the type code is also line type research
1.22.2:04.2
E:, 35
61 12, 1104 1c5. 1
The selection of continuous and disconnected line types is determined by the type, size ratio and microcopy requirements of the drawing. CB/T 4457. 4—2002
Appendix A
(Informative Appendix)
Application examples of type
1 is given in Table A! Table 1 Examples of the use of foreign carriers, Table A, cattle graphics using the first method, the application of carriers is appropriate to the policy "years of the method of drawing graphics
practical application examples
refer to and who
Jing surface enough
Tianhe broken system of the grab beautiful style
General Center Institute
Mongolian and other systems
graphic products
need to be able to take pictures before the strict style
Table 4.1 continuation;
Chinese o o
CB/T 445/.4--2002
CB/I4457 4202
$1, 1,13
common city love women's world
Table A.1 paint)
positive element indicates the phase line of the negative step!
standard account settlement of the commercial table
grab the position line of the film station: for example; the six-device registration agent, the auxiliary purchase load
does not note the year's still can move
collection of rotten points of the auction collection selection
investment line
break the external line of the map of the rate of the boundary
GB/T 4457. 4—2092
CB/T 4457. 4-2002
teaching format
visible nuclear near
can be wheel line
effective long longitude
see 01. 1. 13
Table 4.1 continued?
Figure capital program than the mother line
Table 1.1 continued)
System structure line (temperature station average engineering principle:
No volatility classification system
Note: The two meat pipes outside the car are the size
When the ring number is small line
Wei Banran
Small school world I
GB/T4457.4--2C02
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