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GB/T 44356-2024: Die locking force of die casting machines - Test methods
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Die locking force of die casting machines - Test methods
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GB/T 44356-2024
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Basic data | Standard ID | GB/T 44356-2024 (GB/T44356-2024) | | Description (Translated English) | Die locking force of die casting machines - Test methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J61 | | Word Count Estimation | 16,112 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 44356-2024: Die locking force of die casting machines - Test methods---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.
Die locking force of die casting machines - Test methods
Die casting machine clamping force test method
ICS 25.120.30
CCS J 61
National Standard of the People's Republic of China
Released on 2024-08-23
2025-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface ... Ⅲ
Introduction Ⅳ
1 Scope ... 1
2 Normative references ... 1
3 Terms and Definitions ... 1
4 Test Principle ... 1
5 Test conditions ... 2
6 Test methods ... 2
6.1 Patch Method ... 2
6.2 Magnetic Attachment Method ... 3
7 Test Report ... 5
Appendix A (Normative) Test Block Manufacturing Requirements 6
Appendix B (Informative) Test Report ... 7
References ... 8
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Foundry Machinery (SAC/TC 186).
This document was drafted by. Jinan Casting and Forging Inspection Technology Co., Ltd., Shenzhen Lingwei Technology Co., Ltd., Chery New Energy Automobile Co., Ltd.
Co., Ltd., Ningbo Bonded Zone Haitian Zhisheng Metal Forming Equipment Co., Ltd., Huace Testing and Certification Group Co., Ltd., Shenzhen Zhongyan
Suli Technology Co., Ltd., CITIC Dicastal Co., Ltd., Zhejiang Wanfeng Technology Development Co., Ltd., Qinhuangdao Shin-Etsu Intelligent Equipment Co., Ltd.
Co., Ltd., Ningbo High-tech Zone Liwei Technology Co., Ltd., Nan'an Zhongji Standardization Research Institute Co., Ltd., Anhui Anhuang Machinery Co., Ltd.
Co., Ltd., Anqing Xingye Precision Machinery Co., Ltd., Sichuan Yulu Technology Co., Ltd., Lane Intelligent Alloy (Guangde) Co., Ltd., Qingdao An
Taizhong Machinery Co., Ltd., Yixiang Intelligent Equipment (Shenzhen) Co., Ltd., Shenzhen Zhenyexing Technology Co., Ltd., Shenzhen Dingzhengxin Technology
Co., Ltd., Quanzhou Standardization Association, Dongguan New Pivot Technology Service Co., Ltd., Qingdao Kaijie Heavy Industry Machinery Co., Ltd., Qingdao Zhong
Zhida Environmental Protection Melting Equipment Co., Ltd., Shandong Jianzhu University.
The main drafters of this document are. Zhang Jianjun, Liu Zhuoming, Mao Weidong, Sun Shanshan, Xu Jianhua, Cai Jin, Cai Jiajun, Zhu Zhihua,
Wu Jinhua, Liu Shuangyong, Zhao Yonggang, Ye Hongwu, Zhu Bin, Pan Lingling, Chen Jinwei, Wu Jun, Han Yong, Du Changxin, Liang Shujie, Gu Taicui,
Zhang Xiuzhuo, Zhang Yong, Liu Yantao, Lu Jun, Li Chen, Bao Yanqing, Luo Zhaowen, Xun Shanglun, Cui Bo, Huang Zhiqiang, Li Yi, Xing Haiwei,
Duan Yudong, Tu Yingming, Duan Jinting.
Introduction
The clamping force is the main parameter that characterizes the specifications of the die-casting machine. At present, there are many methods to test the clamping force of the die-casting machine, and the results obtained by different methods are not the same.
If the test results are biased, it is easy to cause a variety of accidents and cause disputes and conflicts between equipment suppliers and buyers. Therefore, the market urgently needs
Develop a unified clamping force test method and clearly define each step of the measurement.
This document is formulated to provide a basis for the clamping force test evaluation of the die casting machine industry, improve the reliability and comparability of the test results, and save
Equipment manufacturing costs and standardize market order.
Die casting machine clamping force test method
1 Scope
This document describes the test principle, test conditions, test method and test report for the clamping force test of the die casting machine.
This document is applicable to the detection of clamping force of die casting machines.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies.
in this document.
GB/T 13992-2010 Metal bonded resistance strain gauge
GB/T 21269 Cold chamber die casting machine
GB/T 25370-2020 Terminology of casting machinery
JJG 623-2005 Resistance strain gauge
3 Terms and definitions
The terms and definitions defined in GB/T 13992-2010, GB/T 25370-2020 and the following apply to this document.
3.1
Die locking force
After the die casting machine mold is closed, the clamping mechanism applies static pressure to the mold parting surface.
[Source. GB/T 25370-2020, 7.2.9, modified]
3.2
test block
Simulation block
When testing the clamping force of a die-casting machine, a pad is used to replace the mold to withstand the static pressure applied by the clamping mechanism.
3.3
tie bar
A long rod that bears the mold clamping load and guides the movement of the movable mold mounting plate in the die casting machine.
[Source. GB/T 25370-2020, 7.2.20]
3.4
Metallic bonded resistance strain gauge
A resistance strain gauge that uses a metal resistor as a sensitive grid and is fixed to the specimen with an adhesive.
Note. Abbreviated as “strain gauge”.
[Source. GB/T 13992-2010, 3.1.1, modified]
4 Test Principle
4.1 According to Hooke's law, when a solid material is subjected to force, the stress and strain (unit deformation) of the material are in a linear relationship, satisfying Hooke's law.
The material that does not conform to Hooke's law is called linear elastic material. The tie rod of the die casting machine is a linear elastic material. After the tie rod is subjected to force, according to Hooke's law, the
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