JB/T 6728.1-2018Internal combustion engines - Camshafts - Part 1: Specification (English PDF)
内燃机 凸轮轴 第1部分：技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 30, 2018
Implementation date
December 1, 2018
Scope
JB/T 6728.1-2018 is the English-translated version of 内燃机 凸轮轴 第1部分：技术条件.
JB/T 6728.1-2018 is the Chinese machinery industry standard covering internal combustion engines - Camshafts, Part 1: Specification. It was issued on 30 April 2018 and has been in force since 1 December 2018, replacing JB/T 6728.1-2008.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 2018 edition.
The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.
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Document preview — JB/T 6728.1-2018
National Standard of the People's Republic of China
- Replacing
- JB/T 6728.1-2008
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- [Preview only]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Type
- 3.2 Basic parameters
- 4 Types and basic parameters
- 4.1 Types
- 4.2 Model designation
- 4.3 Nominal operating conditions
- 4.4 Safety and hygiene
- 4.5 Welding
- 4.6 Bridge (After crane operation mechanism assembled)
- 4.7 Assembly
- 4.8 Electrical control equipment
- 4.9 Steel pretreatment and painting
- 5 Technical requirements
- 5.1 General requirements
- 5.2 Safety requirements
- 5.3 Cold and hot working forming
- 5.4 Rated load test
- 5.5 Whole machine noise test
- 5.6 Static rigidity test
- 5.7 Dynamic load test
- 5.8 Crane span deviation
- 5.9 Diagonal difference of bridge
- 6 Test methods
- 6.1 Exit-factory inspection
- 6.2 Type inspection
- 7 Inspection rules
- 7.1 Marking
- 7.2 Packaging, transportation and storage
- 7.3 Transportation
- 7.4 Storage
- 8 Marking, packaging, transportation and storage
- 9 标志和标签 9 Marking and labeling
1 Foreword
JB/T 6728.1-2018 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 30 April 2018 and has been in force since 1 December 2018.
It replaces the earlier edition JB/T 6728.1-2008.
It is one of 3 parts of the JB/T 6728 series.
2 Scope Preview
JB/T 6728.1-2018 carries no ICS number and no Chinese Standard Classification code.
This catalogue holds 21,922 other JB/T standards.
Of the 5,298 JB/T standards that do carry an ICS number, 1,460 (28%) fall under ICS 25, in the field of manufacturing engineering.
3 Where this standard sits
One other standard in this catalogue cites it: T/CSAE 138-2020.
It is one part of the JB/T 6728 series, of which this catalogue holds 3 parts.
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 6728-1993 — Camshafts for internal combustion engines - Technical specifications
JB/T 6728.2-2008 — Part 2: Cross wedge rolled blanks
Other editions:
JB/T 6728.1-2008 (earlier edition)
Standards on related subjects:
GB/T 1859.1-2015 — Reciprocating internal combustion engines - Measurement of sound power level using sound pressure - Part 1: Engineering method
GB/T 1859.2-2015 — Reciprocating internal combustion engines - Measurement of sound power level using sound pressure - Part 2: Survey method
JB/T 11880.1-2014 — Diesel Engines-Selective Catalytic Reduction (SCR) Systems - Part 1: General Requirements
JB/T 6012.2-2025 — Internal combustion engine - Intake and exhaust valves - Part 2: Metallographic examination
JB/T 8579-2024 — Internal combustion engines-Intake and exhaust manifolds
6 Classification and status
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of JB/T 6728.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 6728.1-2018 | Internal combustion engines - Camshafts - Part 1: Specification | current edition | Current |
| JB/T 6728.1-2008 | Internal combustion engines - Camshafts - Part 1: Specification | previous edition | Superseded |
This page sells the current edition, JB/T 6728.1-2018. Earlier editions are listed for reference only.
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Related Standards
JB/T 6728.2-2008 — Internal combustion engines - Camshafts - Part 2: Cross wedge rolled blanks
JB/T 6728.1-2008 — Internal combustion engines - Camshafts - Part 1: Technical requirements
JB/T 10062-2026 — Probes used in ultrasonic flaw detection - Testing methods for performance
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