GB/T 21269-2023 (GB/T21269-2023, GBT 21269-2023, GBT21269-2023)
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Cold chamber die casting machines
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GB/T 21269-2023
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Standards related to: GB/T 21269-2023
| Standard ID | GB/T 21269-2023 (GB/T21269-2023) | | Description (Translated English) | Cold chamber die casting machines | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J61 | | Classification of International Standard | 25.120.30 | | Word Count Estimation | 26,252 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2024-04-01 | | Older Standard (superseded by this standard) | GB/T 21269-2018 | | Drafting Organization | Shenzhen Lingwei Technology Co., Ltd., Guangdong Hongtu Nantong Die Casting Co., Ltd., Yizumi Co., Ltd., Suzhou Sanji Casting Equipment Co., Ltd., Wuxi Xinjiasheng Die Casting Machine Manufacturing Co., Ltd., Ningbo Lijin Technology Co., Ltd., Shanghai Yida Machinery Co., Ltd., Zhuhai Runxingtai Electric Co., Ltd., Guangdong Minglida Technology Co., Ltd., Shenzhen Beigong Industrial Co., Ltd., Shenzhen Zhongyan Plastic Technology Co., Ltd., Huazhong University of Science and Technology, Shenzhen Jiuyang Mechanical Equipment Co., Ltd., Shenzhen Shenshan Special Cooperation Zone Lijin Technology Co., Ltd., Foshan Xiongxin Die Casting Co., Ltd., Jinan Casting and Forging Institute Inspection and Testing Technology Co., Ltd., Shenzhen Standardization Association | | Administrative Organization | National Foundry Machinery Standardization Technical Committee (SAC/TC 186) | | Proposing organization | China Machinery Industry Federation | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | GB/T 21269-2023. Cold chamber die casting machine
ICS 25.120.30
CCSJ61
National Standards of People's Republic of China
Replace GB/T 21269-2018
Cold chamber die casting machine
Published on 2023-09-07
2024-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
Preface III
1 range 1
2 Normative reference documents 1
3 Terms and Definitions 1
4 Type and basic parameters 4
4.1 Type 4
4.2 Basic parameters 6
5 Technical requirements 6
5.1 General requirements 6
5.2 Appearance quality7
5.3 Accuracy7
5.4 Injection performance 7
5.5 Safety requirements 8
5.6 Completeness 8
5.7 Dry running test 8
5.8 Load operation test 8
6 Test methods 9
6.1 Basic parameters 9
6.2 Cleanliness10
6.3 Energy consumption10
6.4 Appearance quality10
6.5 Accuracy10
6.6 Injection performance10
6.7 Noise 10
6.8 Closed-loop control speed error 10
6.9 Dry running test 11
6.10 Load operation test 11
7 Inspection Rules 11
7.1 Factory inspection 11
7.2 Type inspection 11
8 Marking, packaging, transportation and storage12
Appendix A (Normative) Basic parameters of cold chamber die casting machine 13
Appendix B (normative) Accuracy and inspection methods 16
B.1 Parallelism between the working surfaces of the movable mold mounting plate and the fixed mold mounting plate 16
B.2 Parallelism between pull bars 17
B.3 Coincidence of the axis of the injection chamber and the axis of the injection piston rod17
B.4 Mold opening repeatability positioning accuracy of movable mold mounting plate 19
Reference 20
Figure 1 Schematic diagram of injection pressure/displacement/speed-time curve 3
Figure 2 Schematic diagram of horizontal cold chamber die casting machine (toggle type) 5
Figure 3 Schematic diagram of horizontal cold chamber die casting machine (without toggle type) 5
Figure 4 Schematic diagram of vertical cold chamber die casting machine 5
Figure 5 Structural diagram of the built-in clamp 7
Figure B.1 Tolerance between the working surfaces of the movable mold mounting plate and the fixed mold mounting plate 17
Figure B.2 Parallelism inspection between pull bars17
Figure B.3 Inspection of the coincidence between the axis of the injection chamber and the piston rod of the horizontal cold chamber die casting machine 18
Figure B.4 Vertical cold chamber die casting machine injection chamber axis and piston rod coincidence inspection 18
Table 1 Main injection performance of horizontal cold chamber die casting machine 7
Table 2 Main injection performance of vertical cold chamber die casting machine 8
Table A.1 Basic parameters of horizontal cold chamber die casting machine13
Table A.2 Basic parameters of vertical cold chamber die casting machine15
Table B.1 Accuracy tolerance value 16
Preface
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 21269-2018 "Cold Chamber Die Casting Machine". Compared with GB/T 21269-2018, except for structural adjustment and editing
In addition to the modifications, the main technical changes are as follows.
---Added normative references to GB/T 25370 and GB/T 37371-2019 (see Chapter 3);
---Changed the term "empty cycle time" (see 3.10,.2018 version of 3.10);
---Changed the definition of "accumulator" and added the term and definition of "hydraulic accumulator" (see 3.15,.2018 version of 3.15);
---Deleted the terms and definitions of "injection pressure, displacement-time curve", "slow injection speed", "pressurization time" and "fast injection pressure" (see
2018 version 3.17, 3.20, 3.24, 3.25);
---Added the terms and definitions of "injection pressure, displacement, velocity-time curve" (see 3.17);
---Added the terms and definitions, tolerances and inspection methods of "mold opening repeatable positioning accuracy" (see 3.26 and B.4);
---Added the terms and definitions and technical requirements of "built-in clamp" (see 3.27 and 5.1.17);
---Added a schematic diagram of a horizontal cold chamber die-casting machine (without toggle type) (see Figure 3);
---Changed the schematic diagram of the vertical cold chamber die casting machine (see Figure 4, Figure 3 of the.2018 version);
---Changed the energy efficiency grade requirements for die-casting machines (see 5.1.15,.2018 version of 6.1.15);
---Changed "accuracy" and its inspection method (see 5.3, 6.5, Appendix B, Chapter 5 of the.2018 edition);
---Added the main injection performance parameters of the horizontal cold chamber die casting machine with a capacity of 50000kN< F≤60000kN (see Table 1);
---Changed the "security requirements" (see 5.5, 6.4 of the.2018 version);
---Changed the "dry running test" (see 5.7, 6.6 of the.2018 version);
---Changed the "load operation test" (see 5.8, 6.7 of the.2018 version);
---Added energy consumption measurement method (see 6.3);
---Added appearance quality inspection method (see 6.4);
---Changed the noise measurement method (see 6.7, 7.1.5 of the.2018 version);
---Change the determination method of closed-loop control speed error (see 6.8, 7.4.2 of the.2018 version);
---Added dry running test method (see 6.9);
--- Added load operation test method (see 6.10);
---Added content that allows type inspection to be carried out at the user's site (see 7.2.4);
---The basic parameters of the horizontal cold chamber die casting machine have been changed (see Table A.1, Table 2 of the.2018 edition).
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Foundry Machinery Standardization Technical Committee (SAC/TC186).
This document was drafted by. Shenzhen Lingwei Technology Co., Ltd., Guangdong Hongtu Nantong Die Casting Co., Ltd., Yizumi Co., Ltd., Suzhou
Sanji Casting Equipment Co., Ltd., Wuxi Xinjiasheng Die Casting Machine Manufacturing Co., Ltd., Ningbo Lijin Technology Co., Ltd., Shanghai Yida Machinery
Co., Ltd., Zhuhai Runxingtai Electric Co., Ltd., Guangdong Minglida Technology Co., Ltd., Shenzhen Beigong Industrial Co., Ltd., Shenzhen Zhongyan
Plastic Technology Co., Ltd., Huazhong University of Science and Technology, Shenzhen Jiuyang Machinery Equipment Co., Ltd., Shenzhen Shenshan Special Cooperation Zone Lijin Technology have
Co., Ltd., Foshan Xiongxin Die Casting Co., Ltd., Jinan Casting and Forging Institute Inspection and Testing Technology Co., Ltd., and Shenzhen Standardization Association.
The main drafters of this document. Liu Xiangshang, Pan Lingling, Xu Niansheng, Liang Shujie, Yan Feng, Gao Gao, Xu Shanxin, Li Antao, Zhang Jun, Hu Zaoren,
Wang Jicheng, Kuang Zhonghua, Cheng Zhiqiang, Cai Jiajun, Zhang Chaoyong, Wu Shusen, Chen Zhulin, Wang Hai, Yuan Fuqiang, Chen Daxian, Feng Yongsheng, Wan Shuijing, Zhou Gang,
Zhou Min, Gao Shexiao, Wang Hongfei, Zhang Jianjun, Sun Shanshan, Dan Dan, Xie Yurui, Xu Guangzhou.
This document was first published in.2007, revised for the first time in.2018, and this is the second revision.
Cold chamber die casting machine
1 Scope
This document stipulates the basic parameters, performance and safety of cold chamber die casting machines (including horizontal cold chamber die casting machines and vertical cold chamber die casting machines).
Technical requirements such as safety and environmental adaptability, describe corresponding test methods, inspection rules, and stipulate marking, packaging, transportation and storage, etc.
content.
This document applies to the design, manufacturing, acceptance, packaging, transportation and storage of cold chamber die casting machines.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 158 T-shaped slot of machine tool table and corresponding bolts
GB/T 191 Packaging, storage and transportation pictorial mark
GB/T 1348-2019 Ductile iron castings
GB/T 1800.1 Product Geometric Specification (GPS) Linear Dimensional Tolerance ISO Code System Part 1.Tolerances, Deviations and
The basis for cooperation
GB 2893 safety color
GB 2894 Safety signs and guidelines for their use
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB/T 5226.1-2019 Mechanical and electrical safety mechanical and electrical equipment Part 1.General technical conditions
GB/T 7932 General rules and safety requirements for pneumatic systems and their components
GB/T 7935 General technical conditions for hydraulic components
GB/T 9969 General Principles of Instructions for Use of Industrial Products
GB/T 13306 Signage
GB/T 16754 Design principles for mechanical safety emergency stop function
GB/T 17421.1-1998 General principles for inspection of machine tools Part 1.Geometric accuracy of machine tools under no-load or finishing conditions
GB 20905 Safety requirements for foundry machinery
GB/T 20906 Safety technical specifications for foundry machinery, die-casting machines and die-casting units
GB/T 25370 Casting machinery terminology
GB/T 31562 Method for determination of cleanliness of foundry machinery
GB/T 37371-2019 Die-casting unit terminology
GB/T 39962-2021 Die-casting machine energy efficiency limit value and energy efficiency grade
JB/T 8356 Machine tool packaging technical conditions
3 Terms and definitions
The following terms and definitions as defined in GB/T 25370 and GB/T 37371-2019 apply to this document.
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