JB/T 5000.1-1998 General technical conditions for heavy machinery product inspection
Some standard content:
ICS 21.010
J04
JB
Machinery Industry Standard of the People's Republic of China
JB/T5000.1-1998
General Technical Conditions for Heavy Machinery||tt ||Product Inspection
The heavy mechanical general techniques and standardsCheck of product
Released on 1998-09-30
National Machinery Industry Bureau
Released
1998 -12-01 Implementation
JB/T5000.11998
Previous
Preface
This standard is proposed and centralized by the Metallurgical Equipment Standardization Technical Committee of the Ministry of Machinery Industry, and is responsible for this standard Drafting unit: Xi'an Heavy Machinery Research Institute of the Ministry of Machinery Industry. The main drafters of this standard: Li Yusheng and Zhang Guangyong. 1Scope
Mechanical Industry Standards of the People's Republic of China
General Technical Conditions for Heavy Machinery
Product Inspection
The heavy mechanical general techniques and standardsCheck of product
JB /T 5000.11998
This standard specifies the general inspection requirements for heavy machinery products (mainly including smelting, rolling, heavy forging, continuous casting, mining machinery and other machinery), parts, accessories and purchased raw materials. All product national samples, technical documents and ordering technical requirements without special requirements shall comply with the provisions of this standard. This standard does not apply to pressure vessels.
2 Referenced Standards
The provisions contained in the following standards constitute provisions of this standard through reference in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest version of the following standards, JB/T 5000.2-1998
JB/T 5000. 31998
JB/T 5000. 41998
JB/T 5000.5—1998
JB/T 5000.61998
JB/T 5000.71998
JB/T 5000. 81998
JB/T 5000 . 91998 | |tt||General technical conditions for heavy machinery
General technical conditions for heavy machinery
General technical conditions for heavy machinery
General technical conditions for heavy machinery
General technical conditions for heavy machinery| |tt||General technical conditions for heavy machinery
General technical conditions for heavy machinery
General technical conditions for heavy machinery
General technical conditions for heavy machinery
General technical conditions for heavy machinery| |tt||General technical conditions for heavy machinery
General technical conditions for heavy machinery
a) Ordering contract and ordering technical conditions:
Flame cutting parts
Welded parts| |tt||Iron castings
Non-ferrous metal castings
Steel castings
Repair welding of steel castings
Forgings
Cutting parts||tt| | Assembly | | tt | | Piping | | tt | Requirements
4.1 Raw materials
a) Raw material acceptance record:
b) Raw material quality certificate, chemical composition and mechanical properties test report approved by the National Machinery Industry Bureau on September 30, 1998 Implemented on 1998-12-01
1
JB/T5000.1-1998
c) Raw materials with unknown brands can only be used after re-inspection to determine the brand and provide an inspection report . 4.2 Outsourced parts, mechanical and electrical accessories and coatings
a) Give priority to the products of manufacturers recommended by design documents: b) Where products with production licenses are implemented, the manufacturer's production license and product quality certificate should be inspected; e) Products that have not been authenticated and do not have product quality certificates shall not be used. 4.3 OEM-made accessories
a) Conduct factory testing and acceptance according to drawings, technical documents and relevant standards: b) The quality inspection department shall provide product inspection reports and quality certificates. 4.4 Flame cutting parts
a) According to the inspection clauses in JB/T5000.2: b) The drawing markings of the verticality of the cutting surface, the roughness of the cutting surface and the dimensional deviation of the cutting parts should comply with the provisions of Table 1, Table 1 1
JB/T 5000. 21998
Verticality grade of cutting agent
Rough precision grade of cutting letter
Dimensional deviation grade of cutting parts
4.5
Welded parts
a) According to the inspection clauses in JB/T5000.3; Level 1
Level 2
Level 1
Level 2| |tt||Level A
Level B
Picture mark
mark
no note
mark
no note||tt ||Marking
No Note
b) The drawing markings of weld defect levels, dimensional deviations and geometric tolerances of welded parts shall comply with the provisions of Table 2. Table 2
JB/T 5000.31998
AS
Weld quality assessment level
Weld defect level
ES
cs|| tt||DS
Dimensional and angular deviation level
2
AK
BK
CK
DK
1 Level
Level I
Level
Level W
Level A
Level B
Level C
Level D| |tt||Pattern Mark
Mark
No Note
Mark
No Note
Mark
No
Marking
Marking
4.6 castings
JB/T5000.1—-1998
Table 2 (End)
JB/T 5000. 31998|| tt||Geometry tolerance level
a) Iron castings shall comply with the inspection provisions in JB/T5000.4: b) Non-ferrous metal castings shall comply with the inspection provisions in JB/T5000.5; c) Steel castings According to the inspection clauses in JB/T5000.6; Grade E
Grade F
Grade G
Grade H
d) casting dimensional tolerance and surface roughness The labeling of the drawings shall comply with the provisions of Table 3. Table 3
JB/T 5000. 4 1998
JB/T 5000. 51998
JB/T 5000. 61998
Casting iron parts
Potential parts Dimensions
Tolerance level
Holder surface
Roughness
em
4.7 forgings
non-ferrous metals
casting
pieces
steel castings
iron castings
non-ferrous metals
capital| | tt | ~10000mm
Dimensional tolerance level
CT12
CT13
CT14
Other levels
>10~250mm
> 250~4000 mm
>4000~10000 mm
Other grades
$1000mm
>1000mm
Other grades
Handmade thousand-shaped | |tt | ||a) Provisions for inspection clauses in JB/T5000.8 for forgings CT10
CT11
CT12
CT13
CT14
R≤50
R≤50
R,≤100
R,50
R,≤25
R100
R≤800|| tt||b) The drawing markings of forging inspection groups and dimensional tolerances shall comply with the provisions of Table 4. Drawing mark
Mark
No note
Mark
Mark to
Pattern mark
No note
Mark|| tt||No note
MarkwwW.bzxz.Net
No note
Mark
No note
No note
No note
3
JB/T5000.1—1998
Table 4
JB/T5000.8—1998
Level 1
Level
Forging test group
Dimensional tolerance of steel parts
4.8 cutting parts
Level I
Level N
Level V
As per drawing and ordering requirements
a) Cutting parts shall comply with the inspection provisions in JB/T5000.9: b) The drawing markings of dimensional tolerances, geometric tolerances and surface roughness shall comply with the provisions of Table 5. Table 5
JB/T 5000. 81998
Dimensional tolerance
Angle tolerance
Geometry common pad
Surface roughness
Table 3 and Table 4 in JB/T5000.9-1998
Table 5 in JB/T5000.91998
Table 6, Table 7, Table 8, Table 9 in JB/T5000.9-1998 And the requirements in Chapter 9 of Table 10JB/T5000.9-1998
Note; requirements that do not meet the requirements specified in Table 5 should be marked. 4.9 Product assembly shall be in accordance with the inspection provisions in JB/T5000.10. 4.10 Product piping shall comply with the inspection provisions in JB/T5000.11. Coating
4.11
a) Coating shall be in accordance with the inspection clauses in JB/T5000.12. b) The rust removal grade and rust removal category should comply with the provisions of Table 6, Table 6
JB/T5000.12-1998
Decoration Category
House Thickness
Coating
Face speed color
Class A to Class E
Selected according to Table 2 in JB/T5000.12-1998
According to user requirements||tt| |2 Product packaging shall comply with the inspection provisions in JB/T5000.13. 4. 12
5 Inspection Record
Pattern Mark
No Note
Mark
Mark
Pattern Mark
No Note
No
Note
Pattern mark
mark
mark
Note
mark
5.1 The formats of product quality certificates, product quality certificates and product inspection reports specified in 4.44.11 shall be implemented by the supplier in accordance with relevant standards.
5.2 Types of product quality inspection records:
a) Main parts inspection records (including flame cutting parts, welding parts, castings, plated parts, and machining parts): b) Chemical composition and mechanical properties of parts , metallographic structure, non-destructive testing inspection report; JB/T5000.1-1998
c) Quality certificate and certificate of quality for raw materials, accessories, seals, and coating products; d) Assembly and commissioning inspection report.
5.3 Product quality inspection records shall be filled in and summarized by the quality inspection department of the OEM, and a product quality file shall be established. 5.4 According to the requirements of the order contract, product quality inspection records may be provided to the user as an attachment to the product quality certificate. 5.5 The items that the user participates in joint inspection should be specified in the contract, and the manufacturer should notify the user in advance of the schedule of the joint inspection project.2 Types of product quality inspection records:
a) Main parts inspection records (including flame cutting parts, welding parts, castings, plated parts, and machining parts): b) Chemical composition, mechanical properties, metallographic structure of parts, Non-destructive testing report; JB/T5000.1—1998
c) Quality certificates and certificates of quality for raw materials, accessories, seals, and coating products; d) Assembly and commissioning inspection reports.
5.3 Product quality inspection records shall be filled in and summarized by the quality inspection department of the OEM, and a product quality file shall be established. 5.4 According to the requirements of the order contract, product quality inspection records may be provided to the user as an attachment to the product quality certificate. 5.5 The items that the user participates in joint inspection should be specified in the contract, and the manufacturer should notify the user in advance of the schedule of the joint inspection project.2 Types of product quality inspection records:
a) Main parts inspection records (including flame cutting parts, welding parts, castings, plated parts, and machining parts): b) Chemical composition, mechanical properties, metallographic structure of parts, Non-destructive testing report; JB/T5000.1—1998
c) Quality certificates and certificates of quality for raw materials, accessories, seals, and coating products; d) Assembly and commissioning inspection reports.
5.3 Product quality inspection records shall be filled in and summarized by the quality inspection department of the OEM, and a product quality file shall be established. 5.4 According to the requirements of the order contract, product quality inspection records may be provided to the user as an attachment to the product quality certificate. 5.5 The items that the user participates in joint inspection should be specified in the contract, and the manufacturer should notify the user in advance of the schedule of the joint inspection project.
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