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GB/T 4678.2-2017: Diecasting dies -- Components -- Part 2: Round inserts
Status: Valid GB/T 4678.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4678.2-2017 | English | 89 |
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Diecasting dies -- Components -- Part 2: Round inserts
| Valid |
GB/T 4678.2-2017
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| GB/T 4678.2-2003 | English | 159 |
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Die-casting die components -- Part 2: Round insert block
| Obsolete |
GB/T 4678.2-2003
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| GB/T 4678.2-1984 | English | 199 |
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Die-cast die components--Round insert blocks
| Obsolete |
GB/T 4678.2-1984
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PDF similar to GB/T 4678.2-2017
Basic data | Standard ID | GB/T 4678.2-2017 (GB/T4678.2-2017) | | Description (Translated English) | Diecasting dies -- Components -- Part 2: Round inserts | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J46 | | Classification of International Standard | 25.120.30 | | Word Count Estimation | 4,479 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-04-01 | | Older Standard (superseded by this standard) | GB/T 4678.2-2003 | | Quoted Standard | GB/T 1184-1996; GB/T 1801-2009; GB/T 4679 | | Regulation (derived from) | National Standard Notice 2017 No. 23 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the die-casting mold with circular inserts of the type and size, requirements, materials and markings. This section applies to die casting round inserts. | GB/T 4678.2-2017: Diecasting dies -- Components -- Part 2: Round inserts---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Diecasting dies - Components - Part 2. Round inserts
ICS 25.120.30
J46
National Standards of People's Republic of China
Replacing GB/T 4678.2-2003
Die casting parts - Part 2. Round inserts
2017-09-29 Posted
2018-04-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 4678 "Die Casting Parts" is divided into 19 parts.
--- Part 1. Template;
--- Part 2. Round inserts;
--- Part 3. Rectangular inserts;
--- Part 4. Square guide column;
--- Part 5. Round guide column;
--- Part 6. Leading guide sleeve;
--- Part 7. Direct guide sleeve;
--- Part 8. Push plate;
--- Part 9. Push plate guide column;
--- Part 10. Push plate guide sleeve;
--- Part 11. Putter;
--- Part 12. Reset lever;
--- Part 13. Push plate washers;
--- Part 14. Limit nail;
--- Part 15. Pad;
--- Part 16. Flat push rod;
--- Part 17. Push the tube;
--- Part 18. Supporting columns;
--- Part 19. Positioning components.
This section GB/T 4678 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 4678.2-2003 "Die Cast Parts Part 2. Round inserts."
This section compared with GB/T 4678.2-2003, the main editorial and technical changes are as follows.
--- The standard name changed to three paragraphs, renamed the "die casting parts Part 2. Round inserts";
--- According to the latest relevant national standards, the standard content, structure and charts were normative changes;
--- Normative references to the current standard version;
--- All surface roughness value Ra0.8μm;
--- Modify and increase the size of Table 1 specifications, expanding the size range;
--- Added Table 2, and adjusted the recommended materials and hardness;
--- Modify the markings and examples, and added a mark in the material grade.
This part of the mold by the National Standardization Technical Committee (SAC/TC33) and focal point.
This part of the drafting unit. Ningbo Elet Mold Manufacturing Co., Ltd., Dongguan Jin Sheng Precision Components Co., Ltd., Suzhou Bao forging
Co., Ltd., Kunshan New German-Mold Co., Ltd., Guilin Electric Institute of Science and Technology Co., Ltd., Shenzhen CATIC Technology Testing Institute.
The main drafters of this section. Zhuang Meijie, Wang Changming, Shu Zhigao, Wang Jianjun, Liu Jing, Zhang Xu Min, Zhou Guorong, Zou Liming.
This part replaces the standards previously issued as.
--- GB/T 4678.2-1984, GB/T 4678.2-2003.
Die casting parts - Part 2. Round inserts
1 Scope
This section GB/T 4678 specifies the die-casting mold with circular inserts of the type and size, requirements, materials and markings.
This section applies to die casting round inserts.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1184-1996 Tolerances on shape and position tolerances
GB/T 1801-2009 Geometrical Product Specifications (GPS) Limits and Tolerances and Matching Options
GB/T 4679 die casting mold parts technical conditions
3 structure and size
The structure of the circular insert is shown in Figure 1, and the dimensions are shown in Table 1.
All surface roughness Ra0.8μm.
Figure 1 round inserts
Table 1 round inserts size in millimeters
30 40 50 60 80 100 120 160.200 250 300 400 500 600
60 × × × × ×
80 × × × × ×
100 × × × × ×
120 × × × × ×
160 × × × × ×
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