GB/T 4678.2-2017 English PDF

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GB/T 4678.2-2017: Diecasting dies -- Components -- Part 2: Round inserts
Status: Valid

GB/T 4678.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4678.2-2017	89	Add to Cart	3 days	Diecasting dies -- Components -- Part 2: Round inserts	Valid
GB/T 4678.2-2003	159	Add to Cart	2 days	Die-casting die components -- Part 2: Round insert block	Obsolete
GB/T 4678.2-1984	199	Add to Cart	2 days	Die-cast die components--Round insert blocks	Obsolete

Similar standards

GB/T 45677   GB/T 6110   JB/T 3943   GB/T 4678.1   GB/T 4678.3   GB/T 4678.11   

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Older Standard (superseded by this standard): GB/T 4678.2-2003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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