GB/T 4678.19-2017 English PDF

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GB/T 4678.19-2017: Diecasting dies -- Components -- Part 19: Locating element
Status: Valid

GB/T 4678.19: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4678.19-2017	119	Add to Cart	3 days	Diecasting dies -- Components -- Part 19: Locating element	Valid
GB/T 4678.19-2003	159	Add to Cart	2 days	Die-casting die components -- Part 19: Locating element	Obsolete

Similar standards

GB/T 45677   GB/T 6110   JB/T 3943   GB/T 4678.20   GB/T 4678.18   GB/T 4678.17   

Basic data

Standard ID: GB/T 4678.19-2017 (GB/T4678.19-2017)
Description (Translated English): Diecasting dies -- Components -- Part 19: Locating element
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J46
Classification of International Standard: 25.120.30
Word Count Estimation: 6,620
Date of Issue: 2017-09-29
Date of Implementation: 2018-04-01
Older Standard (superseded by this standard): GB/T 4678.19-2003
Quoted Standard: 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 structural type and size, requirements, materials and marking of the positioning components for die-casting molds. This section applies to die casting mold positioning element.

GB/T 4678.19-2017: Diecasting dies -- Components -- Part 19: Locating element

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Diecasting dies - Components - Part 19. Locating element ICS 25.120.30 J46 National Standards of People's Republic of China Replacing GB/T 4678.19-2003 Die casting parts - Part 19. Positioning elements 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 19. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 4678.19-2003 "Die Casting Part 19 Part. Positioning components." This section compared with GB/T 4678.19-2003, the main editorial and technical changes are as follows. --- The standard name changed to three-stage, renamed "Die Casting Part 19. Positioning components"; --- 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; --- Figure 1 did not note the surface roughness from Ra6.3μm to Ra3.2μm; --- D value 32 in Table 1 to 30, the corresponding D1 value of 20 to 18, consistent with the standards of other parts; --- Table D in the tolerance requirements k6 changed to be marked in Figure 1; --- An increase of 3.2 square positioning element structure type and size, and Figure 2, Table 2, Example 2; --- Adjust the material hardness requirements, an increase of the recommended material 20Cr and hardness 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 part of the drafting unit. Ningbo Xusheng Automotive Technology Co., Ltd., Tianjin Polytechnic Normal University, Dongguan City, Guangdong Province Quality Supervision Inspection Center, Ningbo Beilun Liaoyuan Die Casting Co., Ltd. Ningbo Beilun Xin Jade Mold Manufacturing Co., Ltd., Guilin Electric Institute of Science and Technology Limited. The main drafters of this section. Xu Xidong, Qu Zhoude, Huang Wei, Li Guanghao, Shi An, Zhu Leiwen, Lin Guofeng, Duan Lei, Ou Hailong, Lv Haibo, Lu Hao Bin. This part replaces the standards previously issued as. --- GB/T 4678.19-2003. Die casting parts - Part 19. Positioning elements

1 Scope

This section GB/T 4678 specifies the die casting mold positioning components with the type and size, requirements, materials and markings. This section applies to die casting mold positioning element.

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 4679 die casting mold parts technical conditions

3 structure and size

3.1 circular positioning element structure shown in Figure 1, the size shown in Table 1. a) b) Note. The surface roughness is not noted Ra3.2μm; not chamfered 1mm × 45 °. a datum. b Allow center hole to be retained. Figure 1 circular positioning element Table 1 circular positioning components Dimensions in millimeters D D1 d L L1 L2 L3 L4 12 6 M5 19 7 9 5 11 16 10 M5 24 8 10 6 11 ......

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