JB/T 9221-2017Test methods for effective bentonite and effective coal dust in green moulding sand (English PDF)
铸造用湿型砂有效膨润土及有效煤粉试验方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 9, 2017
Implementation date
October 1, 2017
Scope
JB/T 9221-2017 is the English-translated version of 铸造用湿型砂有效膨润土及有效煤粉试验方法.
JB/T 9221-2017 is the Chinese machinery industry standard covering test methods for effective bentonite and effective coal dust in green moulding sand. It was issued on 9 January 2017 and has been in force since 1 October 2017, replacing JB/T 9221-1999.
The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 2017 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 9221-2017
National Standard of the People's Republic of China
- Replacing
- JB/T 9221-1999
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 9221-2017 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 9 January 2017 and has been in force since 1 October 2017.
It replaces the earlier edition JB/T 9221-1999.
The JB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.
2 Scope Preview
JB/T 9221-2017 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 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
4 Related standards
Other editions:
JB/T 9221-1999 (earlier edition)
Standards on related subjects:
GB/T 9438-2013 — Aluminum alloy castings
GB/T 9437-2009 — Heat resistant iron castings
JB/T 8583-2008 — Resin coated sand for foundry
JB/T 9222-2025 — Pulverized coal for green casting
JB/T 9220-2023 — Analysis method of chemical composition of cast iron furnace slag
JB/T 9219-2016 — Spheroidal graphite cast iron - Test method for ultrasonic sound velocity
5 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.
Similar standards
Editions of JB/T 9221
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 9221-2017 | Test methods for effective bentonite and effective coal dust in green moulding sand | current edition | Current |
| JB/T 9221-1999 | Test methods for effective bentonite and effective coal dust in green moulding sand | previous edition | Superseded |
This page sells the current edition, JB/T 9221-2017. Earlier editions are listed for reference only.
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