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GB/T 21269-2023 Related PDF English (GB/T 21269-2018, GB/T 21269-2007)

GB/T 21269-2023 (GB/T21269-2023, GBT 21269-2023, GBT21269-2023) & related versions
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GB/T 21269-2023English519 Add to Cart 5 days Cold chamber die casting machines GB/T 21269-2023 Valid GBT 21269-2023
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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. ......


GB/T 21269-2018 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.120.30 J 61 Replacing GB/T 21269-2007 Cold Chamber Die Casting Machines ISSUED ON: MAY 14, 2018 IMPLEMENTED ON: DECEMBER 01, 2018 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3  1 Scope ... 6  2 Normative References ... 6  3 Terms and Definitions ... 7  4 Types and Parameters ... 11  5 Precisions and Inspection Methods ... 12  6 Technical Requirements ... 19  7 Test Methods ... 23  8 Inspection Rules ... 25  9 Marking, Packaging, Transportation and Storage ... 26  Cold Chamber Die Casting Machines 1 Scope This Standard specifies the terms and definitions, types and parameters, precisions and inspection methods, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and storage of cold chamber die casting machines. This Standard is applicable to horizontal cold-chamber diecasting machines and vertical cold-chamber diecasting machines (hereinafter referred to as die casting machines). 2 Normative References The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 191 Packaging - Pictorial Marking for Handling of Goods GB/T 1801 Geometrical Product Specifications (GPS) - Limits and Fits - Selection of Tolerance Zones and Fits GB 2893 Safety Colors GB 2894 Safety Signs and Guideline for the Use GB/T 3766 Hydraulic Fluid Power - General Rules and Safety Requirements for Systems and Their Components GB 5083 General Rules for Designing the Production Facilities in Accordance with Safety and Health Requirements GB 5226.1-2008 Electrical Safety of Machinery - Electrical Equipment of Machines - Part 1: General Requirements GB/T 7932 Pneumatic Fluid Power - General Rules and Safety Requirements for Systems and Their Components GB/T 7935 Hydraulic Fluid Power - General Requirements for Hydraulic Components GB/T 9969 General Principles for Preparation of Instructions for Use of Industrial 3.6 Most Metal Shot Weight Most metal shot weight refers to the maximum mass of molten metal that can be poured into the pressure chamber at one time. 3.7 Horizontal Cold-chamber Diecasting Machine Horizontal cold-chamber diecasting machine refers to a cold-chamber diecasting machine with horizontally installed pressure chamber. 3.8 Vertical Cold-chamber Diecasting Machine Vertical cold-chamber diecasting machine refers to a cold-chamber diecasting machine with vertically installed pressure chamber. 3.9 Diameter of Pressure Chamber Diameter of pressure chamber refers to the inner diameter of pressure chamber. 3.10 Once Dry Cycle Time Once dry cycle time refers to the time required for each dry cycle of the die casting machine in the operating sequence. NOTE 1: for the horizontal cold-chamber diecasting machine, once dry cycle time refers to: in the automatic state, the sum of the action times of mold clamping, injection, mold opening, injection return, ejection and ejection return. NOTE 2: for the vertical cold-chamber diecasting machine, once dry cycle time refers to: the sum of the action times of mold clamping, injection, injection return, returning charge, returning charge return, mold opening, ejection and ejection return. 3.11 Shot Position Shot position refers to the position of the pressure chamber on the fixed mold mounting plate, which is generally determined by the number and distance of the pressure chamber located at the center of symmetry of the tie bars of the die casting machine and the position adjustable downward from the center. 3.12 Diameter of Pressure Chamber Flange (for horizontal cold chamber die casting machine) Diameter of pressure chamber flange refers to the diameter of the flange of the pressure chamber protruding from the fixed mold mounting plate when the pressure chamber is installed on the fixed mold mounting plate. 3.13 Height of Pressure Chamber Flange (for horizontal cold chamber die casting machine) Height of pressure chamber flange refers to the distance of the flange protruding from the working surface of the fixed mold mounting plate after the pressure chamber is properly installed on the fixed mold mounting plate. 3.14 Injection Plunger Penetration Injection plunger penetration refers to the maximum distance that the injection plunger is pushed out during mold opening, that is, the distance between the end of ejection and the end of the injection plunger to the working surface of the fixed mold mounting plate. 3.15 Accumulator Accumulator refers to a container for storing liquid and gaseous pressure media in a hydraulic pipeline. NOTE: the pressurized liquid compresses the gas in the container; during operation, the gas expands and stores energy output, which serves as a supplement to the liquid power. 3.16 Intensification Intensification utilizes a difference in piston area or an accumulator with a higher pressure to make the generated fluid pressure in the injection cylinder higher than the system pressure. 3.17 Injection Pressure, Displacement-time Curve Injection pressure, displacement-time curve refers to a curve that reflects the relations among injection pressure, injection plunger displacement and time, as it is shown in Figure 1. 3.18 Slow Injection Slow injection refers to the movement process of the injection plunger from the initial position to when the liquid metal reaches the fast injection transition point. 3.19 Fast Injection Fast injection refers to the process, in which, the injection plunger quickly fills the cavity with liquid metal after the end of the slow injection. 3.20 Slow Injection Speed Slow injection speed refers to the average speed of the injection plunger during the slow injection process. 3.21 Fast Injection Speed 6.1.2 The die casting machine shall have manual, semi-automatic and automatic working modes. 6.1.3 The movement of the moving parts shall be correct, stable and reliable. When the hydraulic system pressure is 25% of the rated value, there shall be no crawling, jamming and obvious impact (except for the mold adjustment action). 6.1.4 The hydraulic system and hydraulic components shall comply with the relevant stipulations of GB/T 3766 and GB/T 7935. 6.1.5 The electrical system shall comply with the relevant stipulations of GB 5226.1- 2008. 6.1.6 The pneumatic system shall comply with the relevant stipulations of GB/T 7932. 6.1.7 The die casting machine shall have designations and plates indicating the operation, lubrication and safety of the hydraulic and pneumatic systems. The contents and markings of the designations and plates shall be correct and comply with the stipulations of relevant standards. The plates shall comply with the stipulations of GB/T 13306. Distinct factory names and trademarks are allowed to be inlaid and cast on the die casting machine. 6.1.8 The die casting machine shall have a reliable centralized lubrication system, and detection functions and sound-light alarms. 6.1.9 The injection cylinder of the die casting machine shall have a sensor interface for process parameter testing. 6.1.10 When the hydraulic system is continuously working, the temperature of the working fluid shall not exceed 55 °C. When exceeding the above-mentioned temperature, it shall automatically alarm. 6.1.11 The working fluid medium shall comply with the stipulations of technical documents. The cleanliness of the hydraulic system of the die casting machine shall comply with the stipulations of GB/T 31562; the cleanliness code is 22/19. 6.1.12 After assembly, the regulating valve stem of each control mechanism shall be flexible, reliable and correctly positioned. 6.1.13 Cast parts with pressure-bearing channels shall undergo a pressure test; the test pressure is 1.5 times the rated pressure and the pressure holding time is 3 min. There shall be no abnormal phenomena, such as: leakage and damaged parts, etc. 6.1.14 The technical documents provided along with the die casting machine shall at least include instructions for use, certificate of conformity and packing list. The instructions for use shall comply with the stipulations of GB/T 9969. 6.1.15 The energy consumption of the die casting machine shall comply with the 6.7.1 Before load running, the die casting machine shall receive an idle running test. 6.7.2 Under normal working conditions, carry out a physical die casting test. During the test, the various parameters shall comply with the design requirements. 6.7.3 For each injection, the pressure drop of the accumulator shall not exceed 10% of the working pressure. 6.7.4 During the process of physical die casting, the requirements specified in 6.6 shall be satisfied. 6.7.5 For a die casting machine with closed-loop control performance, under the state of stable operation, the die casting speed control error shall be not greater than 5% of the set value. 6.7.6 For a die casting machine with closed-loop real-time control performance, under the state of stable operation, the die casting speed control error shall be not greater than 2% of the set value. 7 Test Methods 7.1 Inspection of Routine Items 7.1.1 During the inspection of parameters and dimensions, the parameters represented by linear dimensions are generally and directly measured with corresponding measuring tools and may also be detected with special detection devices. 7.1.2 The mold clamping force is detected by a special mold clamping force detection device. 7.1.3 The precision of the die casting machine shall comply with the stipulations of Chapter 5. 7.1.4 The once dry cycle time is detected with a stopwatch, and its reading shall be the time interval from the moment when the actuator starts to move to the time that it stops. 7.1.5 The noise shall be determined in accordance with the stipulations of GB/T 25371. 7.2 Determination of Cleanliness The cleanliness of the hydraulic system shall be determined in accordance with the stipulations of GB/T 31562. 7.3 Determination of Max Dry Injection Speed 7.3.1 Determination conditions The determination conditions are as follows: a) Accumulator pressure: the system working pressure; b) Oscilloscope: time scale 0.002 s. 7.3.2 Determination In accordance with the determined pressure, displacement-time curve (see Figure 1), on a stroke after the rapid starting point and before the end point, respectively minus 10%, calculate the average speed. 7.4 Determination of Closed-loop Control Speed Error 7.4.1 Determination conditions The determination conditions are as follows: a) Accumulator pressure: the system working pressure; b) Oscilloscope: time scale 0.002 s. 7.4.2 Determination Set a slow speed of 0.3 m/s and a fast speed of 3 m/s. Under the state of stable operation, the number of samplings shall be no less than 10. 7.5 Determination of Injection Force and Set Pressure Time 7.5.1 Determination conditions The determination conditions are as follows: a) Injection speed: 3 m/s ± 0.2 m/s for the horizontal cold-chamber diecasting machine; 2 m/s ± 0.2 m/s for the vertical cold-chamber diecasting machine; b) Accumulator pressure: the system working pressure; c) Oscilloscope: time scale 0.002 s; d) The oil circuit connecting the sensor cannot be damped. 7.5.2 Determination of injection force On the determined pressure, displacement-time curve (see Figure 1), read the intensification pressure stationarity value, then, calculate and determine it through the inner diameter of the injection cylinder. 7.5.3 Determination of set pressure time injection performance and cleanliness. 8.2 Type Inspection 8.2.1 Under the following circumstances, the die casting machine shall receive type inspection: a) Trial production of new products or trial production and model appraisal of old products transferred to another factory for production; b) When the products undergo significant changes in design, process and materials; c) During normal production, an inspection shall be carried out at regular intervals, or periodically after a certain output has been accumulated; d) When the production has been suspended for more than one year, then, resumed; e) When the national quality supervision institution proposes a request for type inspection. 8.2.2 The number of model machines for the type inspection shall be determined in accordance with the production batch. If the batch is within 10 sets, 1 set shall be randomly inspected; if the batch is greater than 10 sets, 2 sets shall be randomly inspected. 8.2.3 The type inspection shall cover all items in Chapter 6, and all the inspection items shall be qualified. 9 Marking, Packaging, Transportation and Storage 9.1 The coating and rust prevention of the exposed processing surface of the parts and spare parts of the die casting machine shall comply with the stipulations of relevant standards. 9.2 The packaging, marking, transportation and storage of the die casting machine shall comply with the relevant stipulations of JB/T 8356.1 and GB/T 191. 9.3 The pictorial markings for the packaging, storage and transportation shall comply with the stipulations of railway, highway, waterway transportation and mechanized loading. 9.4 In accordance with the requirements of the contract, the product may be simply packaged or unpackaged. ......


GB/T 21269-2007 Cold chamber die casting machines ICS 25.120.30 J61 National Standards of People's Republic of China Cold chamber die casting machine Posted 2007-12-02 2008-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Foreword The standard proposed by China Machinery Industry Federation. This standard by the National Foundry Machinery Standardization Technical Committee (SAC/TC186) centralized. This standard was drafted. LK Group in Shenzhen Granville Technology Co., Ltd., Jinan Foundry and Metalforming Machinery Research Institute, Ningbo Dongfang Die Casting Machine Ltd., Wuxi New Jiasheng Die Casting Machine Manufacturing Co., Ltd. The main drafters of this standard. Cao, Liu Zhaoming, Yang Xiaojuan, Lu Jun, Zhu Fengnian, Weng Guoping. This standard was first formulated. Cold chamber die casting machine 1 Scope This standard specifies the types of parameters cold chamber die casting machine, geometric accuracy, technical requirements, test methods and inspection rules and signs, packaging, Storage and transportation. This standard applies to horizontal and vertical cold chamber die casting machine cold chamber die casting machine (hereinafter referred to as die-casting machine). 2 Normative references The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 Packaging - Pictorial signs (GB/T 191-2000, eqv ISO 780.1997) GB/T 1801-1999 with the limits and tolerances and mating choices (eqv ISO 1829. 1975) GB 2893 Safety colors GB 2894 Safety Signs GB/T 3766 Hydraulic System General technical conditions (GB/T 3766-2001, eqv ISO 4413.1998) GB 5083 production equipment with safety and health General GB 5226.1-2002 Safety of machinery electrical equipment Part 1. General requirements (IEC 60204-1.2000, IDT) GB/T 7932 pneumatic systems General technical conditions (GB/T 7932-2003, ISO 4414.1998, IDT) GB/T 7935 General technical conditions for hydraulic components GB 9969.1 Instructions General Industrial Products GB/T 13306 signs GB 16754 Safety of machinery - Emergency stop design principles (GB 16754-1997, eqv ISO /IEC 13850.1995) GB/T 17421.1-1998 Test code for machine tools - Part 1. under no-load or finishing conditions Geometric accuracy of machines (Eqv ISO 230-1.1996) GB 20906 Safety requirements for die-casting unit JB/T 5365.1 Determination of cleanliness casting machinery gravimetric method JB/T 5365.2 Determination of cleanliness casting machinery microscopy Determination of JB/T 6331.2 casting machinery noise sound pressure level measurement JB/T 8356.1 Technical Conditions Packaging Machine 3 Terms and Definitions The following terms and definitions apply to this standard. 3.1 Casting mold thickness-tight fit that mold-casting from the motor mounting plate and the mounting plate between the fixed mold when casting mold securely closed. 3.2 The maximum travel distance of the movable die mounting plate. ......

BASIC DATA
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

BASIC DATA
Standard ID GB/T 21269-2018 (GB/T21269-2018)
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 18,144
Date of Issue 2018-05-14
Date of Implementation 2018-12-01
Older Standard (superseded by this standard) GB/T 21269-2007
Drafting Organization Shenzhen Lingwei Technology Co., Ltd., Guangdong Yizhimi Precision Machinery Co., Ltd., Ningbo Lijin Technology Co., Ltd.
Administrative Organization National Foundry Machinery Standardization Technical Committee (SAC/TC 186)
Regulation (derived from) National Standards Announcement No. 6 of 2018
Proposing organization China Machinery Industry Federation
Issuing agency(ies) State Administration of Markets and China National Standardization Administration

BASIC DATA
Standard ID GB/T 21269-2007 (GB/T21269-2007)
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 17,131
Date of Issue 2007-12-02
Date of Implementation 2008-06-01
Drafting Organization LK Group Co., Ltd. Shenzhen Leadwell
Administrative Organization National Foundry Machinery Standardization Technical Committee
Regulation (derived from) China National Standard Approval Announcement2007 No.13 (Total No.113)
Proposing organization China Machinery Industry Federation
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the type parameter cold chamber die casting machine, geometric precision, technical requirements, test methods and inspection rules and signs, packaging, storage, transport. This standard applies to horizontal and vertical cold chamber die casting machine cold chamber die casting machine (hereinafter referred to as die-casting machine).