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GB/T 32456-2025: General technical specification for energy saving heating system of rubber and plastics machines
Status: Valid GB/T 32456: Evolution and historical versions
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| GB/T 32456-2025 | English | 519 |
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General technical specification for energy saving heating system of rubber and plastics machines
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GB/T 32456-2025
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| GB/T 32456-2015 | English | 239 |
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General specification for electromagnetic heating energy saving system of rubber and plastics machines
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GB/T 32456-2015
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PDF similar to GB/T 32456-2025
Basic data | Standard ID | GB/T 32456-2025 (GB/T32456-2025) | | Description (Translated English) | General technical specification for energy saving heating system of rubber and plastics machines | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G95 | | Classification of International Standard | 71.120; 83.200 | | Word Count Estimation | 26,295 | | Date of Issue | 2025-03-28 | | Date of Implementation | 10/1/2025 | | Older Standard (superseded by this standard) | GB/T 32456-2015 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 32456-2025: General technical specification for energy saving heating system of rubber and plastics machines
---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.
National Standard of the People's Republic of China
ICS 71.120; 83.200CCS G 95
Energy-saving heating systems for rubber and plastic machinery
General Technical Specifications
General technical specification for energy saving heating system of rubber and
plastics machines
2025-03-28 Release
2025-10-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Replaces GB/T 32456-2015
Table of contents
Preface Ⅲ
1 Scope...1
2 Normative references ...1
3 Terms and Definitions 1
4 Composition...2
4.1 Composition of electromagnetic heating system 2
4.2 Composition of far infrared heating system...4
4.3 Composition of quartz high conductivity heating system...6
5 Requirements 7
5.1 General requirements 7
5.2 Technical requirements 7
5.3 Safety Requirements 7
5.4 Environmental adaptability requirements 8
5.5 Appearance quality requirements 8
6 Test methods 8
6.1 General requirements test methods 8
6.2 Technical requirements and test methods 8
6.3 Safety requirements test methods 17
6.4 Environmental adaptability test method 17
6.5 Appearance quality test method 17
7 Inspection Rules 18
7.1 Inspection classification 18
7.2 Factory Inspection 18
7.3 Type test 18
8 Marking, packaging, transportation and storage...18
8.1 Logo 18
8.2 Packaging 18
8.3 Transportation 18
8.4 Storage 18
References ...19
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.
This document replaces GB/T 32456-2015 "General Technical Requirements for Electromagnetic Heating Energy Saving Systems for Rubber and Plastic Machinery" and is compatible with GB/T 32456-
Compared with.2015, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
-- Changed the scope (see Chapter 1, Chapter 1 of the.2015 edition);
--Added energy-saving heating system, far-infrared heating system, quartz high-conductivity heating system and traditional heating system for rubber and plastic machinery
System terms and definitions (see 3.1, 3.4, 3.5, 3.6);
--Changed the terms and definitions of electromagnetic heating energy-saving system and soft start (see 3.2, 3.3, 3.1, 3.5 of the.2015 edition);
-- Deleted the terms and definitions of electromagnetic heater, electromagnetic heating controller, heating component and system specific energy consumption (see the.2015 edition
3.2, 3.3, 3.4, 3.6);
--Changed the composition of the device (see Chapter 4, Chapter 4 of the.2015 edition);
--Added general requirements (see 5.1);
-- Added technical requirements for energy saving rate of energy-saving heating system compared with traditional heating system (see 5.2.1);
--Deleted the technical condition that the system should work reliably according to the set program within the design process parameter range (see.2015 edition
5.1.1);
--Added technical requirements for heating rated power deviation of energy-saving heating system (see 5.2.2);
-- Deleted the technical requirement that when there are multiple heaters, the temperature of each heater can be set separately (see 5.1.2 of the.2015 edition);
--Deleted the technical requirements for the deviation between the set heating temperature and the actual temperature after stabilization (see 5.1.3 of the.2015 edition);
--Changed the technical requirement that there should be no abnormal conditions between each energy-saving heater (see 5.2.3, 5.1.5 of the.2015 edition);
--Changed the technical requirements for soft start of energy-saving heating systems (see 5.2.4, 5.1.4 of the.2015 edition);
--Changed the technical requirements for sound and light alarms when electromagnetic heaters fail (see 5.2.5, 5.1.6 of the.2015 edition);
--Deleted the technical requirements for system specific energy consumption (see 5.1.7 of the.2015 edition);
--Changed the technical requirements for the maximum temperature limit of electromagnetic heating induction coils and connecting wires (see 5.2.6,.2015 edition)
5.1.8);
--Changed the technical requirements for the maximum temperature limit of the materials used for the insulation layer of energy-saving heating systems (see 5.2.7,.2015 edition)
5.1.9);
--Changed the safety requirements for insulation resistance (see 5.3.2, 5.2.2 of the.2015 edition);
--Added safety requirements for leakage current in working state (see 5.3.3);
--Changed the safety requirements for withstand voltage between conductors and protective grounding (see 5.3.4, 5.2.3 of the.2015 edition);
--Deleted the temperature limit of the outer surface of the electromagnetic heater (see 5.2.4 of the.2015 edition);
--Deleted the safety requirements for emission of harassment (see 5.2.5 of the.2015 edition);
--Added safety requirements for posting heat hazard warning signs on easily accessible external surfaces of energy-saving heating systems after installation (see 5.3.5);
--Changed the safety requirements for magnetic induction intensity and electric field intensity (see 5.3.7, 5.2.7 of the.2015 edition);
--Added the safety requirement that energy-saving heating systems should be equipped with protective covers (see 5.3.8);
--Added safety requirements for the protection level of the wiring terminals of energy-saving heating systems (see 5.3.9);
--Deleted the impact test requirements in the mechanical environmental adaptability (see 5.3.1.2 of the.2015 edition);
--Changed the appearance quality requirements (see 5.5, 5.4 of the.2015 edition);
--Added the test methods for general requirements (see 6.1);
--Added the detection method of energy saving rate of energy-saving heating system compared with traditional heating system (see 6.2.1);
--Deleted the system action correctness detection method (see 6.1.1 of the.2015 version);
--Added the detection method of heating rated power deviation of energy-saving heating system (see 6.2.2);
--Deleted the function test method for setting the temperature of each electromagnetic heater in the system (see 6.1.2 of the.2015 edition);
--Deleted the detection method of allowable deviation of system heating temperature (see 6.1.3 of the.2015 edition);
--Changed the detection method of no abnormal conditions between energy-saving heaters (see 6.2.3, 6.1.5 of the.2015 edition);
--Changed the detection method of soft start of energy-saving heating system (see 6.2.4, 6.1.4 of the.2015 edition);
--Changed the detection method when electromagnetic heater fails to alarm (see 6.2.5, 6.1.6 of the.2015 edition);
--Deleted the detection method of system specific energy consumption (see 6.1.7 of the.2015 edition);
--Changed the safety requirement test method for insulation resistance (see 6.3.2, 6.2.2 of the.2015 edition);
--Added the safety requirement detection method for leakage current under working condition (see 6.3.3);
--Changed the safety requirement test method for withstand voltage between conductor and protective ground (see 6.3.4, 6.2.3 of the.2015 edition);
--Deleted the temperature limit of the outer surface of the electromagnetic heater (see 6.2.4 of the.2015 edition);
--Deleted the safety requirements for emission of harassment (see 6.2.5 of the.2015 edition);
--Added the safety requirements and test methods for posting heat hazard warning signs on easily accessible external surfaces of energy-saving heating systems after installation
(see 6.3.5);
--Changed the detection methods of magnetic induction intensity and electric field intensity (see 6.3.7, 6.2.7 of the.2015 edition);
--Added the safety requirement test method that energy-saving heating systems should be equipped with protective covers (see 6.3.8);
--Added the safety requirements test method for the protection level of the wiring terminals of energy-saving heating systems (see 6.3.9);
--Deleted the impact test requirements and test methods in mechanical environmental adaptability (see 6.3.1.2 of the.2015 edition);
--The appearance quality inspection method has been changed (see 6.5, 6.4 of the.2015 edition);
--Added inspection rules (see Chapter 7);
--Added marking, packaging, transportation and storage (see Chapter 8).
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 Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Rubber and Plastics Machinery (SAC/TC 71).
This document was drafted by. Shenzhen Suoneng Energy Saving Equipment Co., Ltd., Guangdong Shicheng Plastic Machinery Co., Ltd., Aiksen (Jiangsu) Energy Saving Electric
Thermal Technology Co., Ltd., Guangdong Lijin Plastic Machinery Manufacturing Co., Ltd., Ningbo Xinghui Electrical Technology Co., Ltd., Suzhou Jinke Plastic Technology Co., Ltd.
Ltd., Tairui Machinery Co., Ltd., Guilin Rubber Design Institute Co., Ltd., Beijing Rubber Industry Research and Design Institute Co., Ltd., Guangdong
Zhengmao Precision Machinery Co., Ltd., Kingfa Technology Co., Ltd., Dekuma Rubber & Plastic Technology (Dongguan) Co., Ltd., Beijing Huaaixin Energy Saving Equipment Co., Ltd.
Ltd., Zhejiang Guizi Plastic Machinery Co., Ltd., Zhejiang Haiwei Technology Co., Ltd., Xinghua Shuanglong Electric Heating Appliance Co., Ltd., Zhen
Xiong Machinery (Shenzhen) Co., Ltd., Foshan Baojie Precision Machinery Co., Ltd., Qingdao University of Science and Technology, National Plastic Machinery Product Quality Supervision and Inspection
Testing Center, Dalian Plastic Machinery Research Institute, Huaao Technology (Suzhou) Co., Ltd., Shandong Huayu Institute of Technology, Zhejiang Nanyi Plastic Machinery Co., Ltd.
Co., Ltd., Wuxi Puye Polymer Materials Technology Co., Ltd.
The main drafters of this document are. Xun Shanglun, Chen Hao, Zhang Chunhua, He Haibing, Liu Yingying, Jin Shihui, Chen Minghua, Chen Chen, Wang Sanlin, Wang Gengxin,
He Cheng, Li Jianjun, Zheng Wen, Yu Zhifeng, Yang Xinjing, Jin Yibo, Zhang Xianfu, Wang Longbao, Pang Pengbo, Yang Weijie, Wang Chuansheng, Ma Xiaogang, Yang Hong,
Wang Jinxia, Zhang Zhengluo, Wei Dongpo, Li Shanqu, Wang Tian, and Peng Liming.
This document was first published in.2015 and this is the first revision.
Energy-saving heating systems for rubber and plastic machinery
General Technical Specifications
1 Scope
This document specifies the composition, requirements, and tests of energy-saving heating systems for rubber and plastic machinery (hereinafter referred to as "energy-saving heating systems").
Methods, inspection rules and marking, packaging, transportation and storage.
This document is applicable to plastic injection molding machines, plastic extruders, plastic blow molding machines, flat vulcanizers, tire vulcanizers and other rubber plastics
Energy-saving heating system for heating metal parts in material processing machinery.
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 to
This document.
GB/T 1234-2012 High resistance electric heating alloys
GB/T 2423.10 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal)
GB/T 4208-2017 Degrees of protection provided by enclosures (IP Code)
GB/T 5226.1-2019 Electrical safety of machinery Electrical equipment of machinery Part 1.General technical requirements
GB/T 6388 Shipping and receiving marks for transport packaging
GB/T 13306 Labels
GB/T 13384 General technical requirements for packaging of electromechanical products
GB/T 17799.2 General standard for electromagnetic compatibility Part 2.Immunity standard for industrial environments
GB/T 36587 Rubber and Plastics Machinery Terminology
3 Terms and definitions
The terms and definitions defined in GB/T 36587 and the following apply to this document.
3.1
Energy saving heating system of rubber and plastics machines
Used in rubber and plastic machinery, it is a heating device that achieves energy saving through electromagnetic heating, far infrared heating, quartz high-conductivity heating and other technologies.
3.2
Electromagnetic heating system
Using the principle of electromagnetic induction, the alternating magnetic field generates eddy currents in the metal body, causing the metal material to heat up quickly, thereby heating the contacting parts of the metal.
Systems for rubber and plastic materials.
[Source. GB/T 36587-2018, 3.4.150]
3.3
Soft start
When the electromagnetic heating coil assembly is switched from the disconnected state to the connected state, the input power is increased from the rated value to the
The starting current is adjusted by 10% up to the rated value to achieve a shock-free start-up process.
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