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GB/T 4678.5-2017: Diecasting dies -- Components -- Part 5: Round guide pillar
Status: Valid GB/T 4678.5: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4678.5-2017 | English | 179 |
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Diecasting dies -- Components -- Part 5: Round guide pillar
| Valid |
GB/T 4678.5-2017
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| GB/T 4678.5-2003 | English | 199 |
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Die-casting die components -- Part 5: Headed guide pillar
| Obsolete |
GB/T 4678.5-2003
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| GB/T 4678.5-1984 | English | 199 |
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Die-cast die components--Guide pins type B
| Obsolete |
GB/T 4678.5-1984
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PDF similar to GB/T 4678.5-2017
Basic data | Standard ID | GB/T 4678.5-2017 (GB/T4678.5-2017) | | Description (Translated English) | Diecasting dies -- Components -- Part 5: Round guide pillar | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J46 | | Classification of International Standard | 25.120.30 | | Word Count Estimation | 9,992 | | Date of Issue | 2017-09-29 | | Date of Implementation | 2018-04-01 | | Older Standard (superseded by this standard) | GB/T 4678.4-2003; GB/T 4678.5-2003 | | Quoted Standard | GB/T 1801-2009; GB/T 1804-2000; GB/T 4679 | | Regulation (derived from) | National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 structure and size, requirements, materials and markings of circular guide columns for die-casting molds. This section applies to the die-casting round guide column, including circular lead column, round lead oblique column, circular shoulder column. | GB/T 4678.5-2017: Diecasting dies -- Components -- Part 5: Round 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 5. Round guide pillar
ICS 25.120.30
J46
National Standards of People's Republic of China
Replacing GB/T 4678.4-2003, GB/T 4678.5-2003
Die casting parts - Part 5
Diecastingdies-Components-Part 5.Roundguidepilar
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 5.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 4678.4-2003 "die casting parts - Part 4. Shoulder Pillar" and GB/T 4678.5-2003 "Die Casting
Part 5. Part Leading Pins.
This section compared with GB/T 4678.4-2003, GB/T 4678.5-2003 compared to the main editorial and technical changes are as follows.
--- The "Die Casting Parts Part 4. Shoulder post" and "Die Casting Parts Part 5. Leading Pillar" into one part
Standard, and the standard name changed to three paragraphs, changed its name to "Die Casting Part 5. Round guide column";
--- According to the latest relevant national standards on the standard content, structure and charts were normative changes;
--- Adjust the lead column diameter, length of the number of columns, to expand the size range, diameter D increased 12,30,35,60,70 specifications, delete
32,63 specifications, length L increased 60,120,300 specifications, delete 63,125,320 specifications;
--- Table 1 to be rearranged, in line with other parts of the standard;
--- Modify the leading guide column diameter size D limit deviation, changed from m7 to e7;
--- Modify the thickness of the lead column h limit deviation value, modified from 0-0.1 to 0-0.05;
--- Increasing 3.2 leading oblique guide column and the corresponding Figure 2, Table 2 and mark Example 2;
--- The original "die-casting mold parts 4. Shoulder guide column" structure and size of this section 3.3, and adjusted shoulder guide
Diameter, length of the number of columns, to expand the size range, diameter D increased 12,30,60 specifications, delete 32,50,63,80 specifications, long
Degree L increased 40,50,60,120,300 specifications, delete 63,125,320,400,500 specifications;
--- The table D, D1, D2, h tolerance requirements instead marked in the graph;
--- Increasing the recommended material 20Cr and requirements;
--- Modify the circular guide column heat treatment 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 section drafted unit. Dongguan Hong Figure Precision Die Casting Co., Ltd. Guangzhou cavity mold Manufacturing Co., Ltd., Suzhou Bao forging limited
Company, Ningbo Yong Fu Machinery Co., Ltd., Guilin Electric Institute of Science and Technology Co., Ltd.
The main drafters of this section. Zeng Qin, Wu Yaorong, Zou Liming, Caobo Long, Zhu Lei Wen, Ouyang alternative offer, He Shiling, Shu Zhi Gao.
This part replaces the standards previously issued as.
--- GB/T 4678.4-1984, GB/T 4678.4-2003;
--- GB/T 4678.5-1984, GB/T 4678.5-2003.
Die casting parts - Part 5
1 Scope
This section GB/T 4678 specifies the structure and size, requirements, materials and markers for the round guide column die-casting mold.
This section applies to the die-casting round guide column, including circular lead column, round lead inclined column, circular shoulder 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 The structure of circular lead guide column 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.
d arc transition.
Figure 1 Leading guide
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