GB/T 4678.8-2017 English PDF

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GB/T 4678.8-2017: Diecasting dies -- Components -- Part 8: Ejector plate
Status: Valid

GB/T 4678.8: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4678.8-2017	119	Add to Cart	3 days	Diecasting dies -- Components -- Part 8: Ejector plate	Valid
GB/T 4678.8-2003	159	Add to Cart	2 days	Die-casting die components -- Part 8: Ejector plate	Obsolete
GB/T 4678.8-1984	199	Add to Cart	2 days	Die-cast die components--Ejector plates	Obsolete

Similar standards

GB/T 45677   GB/T 6110   JB/T 3943   GB/T 4678.17   GB/T 4678.16   GB/T 4678.14   

Basic data

Standard ID: GB/T 4678.8-2017 (GB/T4678.8-2017)
Description (Translated English): Diecasting dies -- Components -- Part 8: Ejector plate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J46
Classification of International Standard: 25.120.30
Word Count Estimation: 6,627
Date of Issue: 2017-09-29
Date of Implementation: 2018-04-01
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

GB/T 4678.8-2017: Diecasting dies -- Components -- Part 8: Ejector plate

---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 8. Ejector plate ICS 25.120.30 J46 National Standards of People's Republic of China Replacing GB/T 4678.8-2003 Die casting parts - Part 8 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 8. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 4678.8-2003 "Die Casting Parts Part 8. Push plate." This section compared with GB/T 4678.3-2003, the main editorial and technical changes are as follows. --- The standard name changed to three-stage, renamed the "Die Casting Part 8. Push plate"; --- According to the latest relevant national standards on the standard content, structure and charts were normative changes; --- Normative references to the current standard version, and increase the reference GB/T 1801-2009; --- Table 1 to be rearranged, the main parameter D corresponds to the guide section diameter, D1 corresponds to the fixed section diameter; --- Adjust the size of the table in the number of columns and selection specifications, and other parts of the standard coordination; --- Increased 4.1 size tolerance level requirements; --- Increased the recommended material 50,3Cr2Mo steel; --- 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 Beilun Feng Hao Die Machinery Manufacturing Co., Ltd., Dongguan ambitious Precision Casting Co., Ltd., Suzhou 赛 Bao school Quasi-technology services company, Guilin Electric Institute of Science and Technology Co., Ltd., Ningbo Zhongzuo Information Technology Co., Ltd. The main drafters of this section. Hu Feng, Zeng Qin, Chen Haiyan, Wang Chong, Lin Haomin, Ouyang alternative offer, Xu Yan, Zhu Leiwen, Xie Rongyao. This part replaces the standards previously issued as. --- GB/T 4678.8-1984, GB/T 4678.8-2003. Die casting parts - Part 8

1 Scope

This section GB/T 4678 specifies the die casting mold with push plate structure and size, requirements, materials and markings. This section applies to push die casting mold.

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 1801-2009 Geometrical Product Specifications (GPS) Limits and Tolerances and Matching Options GB/T 1184-1996 Tolerances on shape and position tolerances GB/T 4679 die casting mold parts technical conditions

3 structure and size

Push plate structure shown in Figure 1, the size shown in Table 1. Note. The surface roughness is not noted Ra3.2μm; all edges chamfer 2mm × 45 °. Figure 1 push plate Table 1 push plate size in millimeters L1 L2 16 20 25 30 35 40 45 50 55 60 70 80 100 120 160.200 × × 120 160.200 250 × × ......

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