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GB/T 4678.9-2017: Diecasting dies -- Components -- Part 9: Ejector guide pillar
Status: Valid GB/T 4678.9: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4678.9-2017 | English | 119 |
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3 days [Need to translate]
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Diecasting dies -- Components -- Part 9: Ejector guide pillar
| Valid |
GB/T 4678.9-2017
|
| GB/T 4678.9-2003 | English | 199 |
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2 days [Need to translate]
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Die-casting die components -- Part 9: Ejector guide pillar
| Obsolete |
GB/T 4678.9-2003
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| GB/T 4678.9-1984 | English | 199 |
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2 days [Need to translate]
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Die-cast die components--Guide pins for ejector plate
| Obsolete |
GB/T 4678.9-1984
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PDF similar to GB/T 4678.9-2017
Basic data | Standard ID | GB/T 4678.9-2017 (GB/T4678.9-2017) | | Description (Translated English) | Diecasting dies -- Components -- Part 9: Ejector guide pillar | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J46 | | Classification of International Standard | 25.120.30 | | Word Count Estimation | 6,683 | | 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 4678.9-2017: Diecasting dies -- Components -- Part 9: Ejector guide pillar---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 9. Ejector guide pillar
ICS 25.120.30
J46
National Standards of People's Republic of China
Replacing GB/T 4678.9-2003
Die casting parts - Part 9
Diecastingdies-Components-Part 9.Ejectorguidepilar
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 9.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 4678.9-2003 "Die Casting Parts Part 9. Push plate guide column."
This section compared with GB/T 4678.9-2003, the main editorial and technical changes are as follows.
--- The standard name changed to three-stage, renamed the "Die Casting Part 9. Push plate guide column";
--- According to the latest relevant national standards, the standard content, structure and charts were normative changes;
--- Normative references to the current standard version;
--- Table 1 were rearranged, modified and added in Table 1 D, L size specifications, expanding the size range;
--- The table D, D1, L1 tolerance requirements marked in the figure instead;
--- Increase 3.3C push plate guide column and the corresponding Figure 3, Table 2 and mark Example 2;
--- Increase the technical requirements of 4.1 and 4.2;
--- Adjust the recommended materials and heat treatment hardness requirements, an increase of the recommended material 20Cr and requirements;
--- 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 section drafted unit. Dongguan Jin Sheng Precision Components Co., Ltd., Changshu City, Product Quality Supervision, Inspection, Suzhou Thai Thai Seiko
Technology Co., Ltd., Tianjin Light Industry Polytechnic, Shenzhen CATIC Technology Testing Institute, Guilin Electric Apparatus Research Institute Co., Ltd.
The main drafters of this section. Wang Changming, Qin Jianqing, Gu Xiaoming, Zhou Shiyin, Zhang Xu Min, Liu Jing, Zhang Wei, Fan Yuwen, Zhang Yanbin, Wang Zhenyun,
Zhang Li.
This part replaces the standards previously issued as.
--- GB/T 4678.9-1984, GB/T 4678.9-2003.
Die casting parts - Part 9
1 Scope
GB/T 4678 provisions of this part of the push-plate die casting mold structure and size, requirements, materials and markings.
This section applies to die-casting mold push plate guide column.
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 1804-2000 General tolerances Tolerances for linear and angular dimensions without tolerance
GB/T 4679 die casting mold parts technical conditions
3 structure and size
3.1 Type A push plate guide column structure shown in Figure 1, the size shown in Table 1.
Note. The surface roughness is not noted Ra3.2μm; not chamfered 1mm × 45 °.
a wheel more groove or round.
b Allow to open the oil tank.
c allows center holes to be retained at both ends.
Figure 1 A push plate guide column
3.2 B-type push plate guide column structure shown in Figure 2, the size shown in Table 1.
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