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GB/T 15579.7-2023: Arc welding equipment - Part 7: Torches
Status: Valid GB/T 15579.7: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 15579.7-2023 | English | 604 |
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Arc welding equipment - Part 7: Torches
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GB/T 15579.7-2023
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| GB 15579.7-2013 | English | 1039 |
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[GB/T 15579.7-2013] Arc welding equipment -- Part 7: Torches
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GB 15579.7-2013
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| GB/T 15579.7-2005 | English | 959 |
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Arc Welding Equipment -- Part 7: torch (gun)
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GB/T 15579.7-2005
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PDF similar to GB/T 15579.7-2023
Basic data | Standard ID | GB/T 15579.7-2023 (GB/T15579.7-2023) | | Description (Translated English) | Arc welding equipment - Part 7: Torches | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J64 | | Classification of International Standard | 25.160.30 | | Word Count Estimation | 34,343 | | Date of Issue | 2023-09-07 | | Date of Implementation | 2024-04-01 | | Older Standard (superseded by this standard) | GB/T 15579.7-2013 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 15579.7-2023: Arc welding equipment - Part 7: Torches---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.
ICS 25.160.30
CCSJ64
National Standards of People's Republic of China
Replace GB/T 15579.7-2013
Arc welding equipment part 7.welding torch (gun)
(IEC 60974-7.2019,IDT)
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
Introduction V
1 Scope 1
2 Normative reference documents 1
3 Terms and Definitions 1
4 Environmental conditions 4
5 Category 4
5.1 General 4
5.2 Process method 4
5.3 Guidance method 4
5.4 Cooling method 4
5.5 Arc ignition method in plasma process 5
6 Test conditions 5
6.1 General 5
6.2 Type test 5
6.3 Routine inspection 5
7 Protection against electric shock 5
7.1 Rated voltage5
7.2 Insulation resistance 6
7.3 Dielectric strength 6
7.4 Protection against electric shock during normal use (direct contact) 7
7.5 Requirements for arc ignition and arc stabilizing voltage7
8 Thermal rating 8
8.1 General 8
8.2 Temperature rise 8
8.3 Heating test 8
9 Pressure in liquid cooling systems 12
10 Resistant to welding spatter 12
11 Mechanical protection13
11.1 Impact resistance13
11.2 Accessible parts14
11.3 Handle material14
12 Nameplate14
13 User Manual 14
Appendix A (informative) Additional terms 16
Appendix B (Normative) Position of the welding torch (gun) during the heat test 20
Appendix C (informative) Water-cooled copper block 22
Appendix D (informative) Copper block with holes 23
Appendix E (informative) Slotted copper rod 24
Reference 25
Figure 1 Welding spatter resistance test device 13
Figure 2 Impact test device 13
Figure A.1 Welding torch (gun) for MIG/MAG welding and self-shielded flux cored arc welding 17
Figure A.2 Welding guns for MIG/MAG welding and self-shielded flux cored arc welding17
Figure A.3 Welding torch (gun) for TIG welding 17
Figure A.4 Welding torch (gun) for plasma arc welding 18
Figure A.5 Cutting torch for plasma cutting 18
Figure A.6 Input device 18
Figure A.7 Mechanically guided plasma arc welding torch (gun) 19
Figure B.1 MIG/MAG welding torch (gun) 20
Figure B.2 TIG welding torch (gun) 20
Figure B.3 Plasma arc welding torch (gun) 21
Figure C.1 Example of water-cooled copper block 22
Figure D.1 Example of water-cooled copper block with holes 23
Figure E.1 Example of slotted water-cooled copper rod24
Table 1 Rated limits of welding torch (gun) voltage 6
Table 2 Test parameter values for aluminum alloy inert gas arc welding (MIG welding) 9
Table 3 Test parameter values for active gas shielded arc welding (MAG welding) of low carbon steel 9
Table 4 Test parameter values for flux-cored wire active gas arc welding (MAG welding)10
Table 5 Test parameter values for self-shielded flux-cored wire arc welding of low carbon steel10
Table 6 Test parameter values of tungsten inert gas arc welding (TIG welding)11
Table 7 Test parameter values of plasma arc welding11
Table A.1 List of terms 16
Foreword
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 is Part 7 of GB/T 15579 "Arc Welding Equipment". GB/T 15579 has released the following parts.
---Part 1.Welding power source;
---Part 2.Liquid cooling systems;
---Part 3.Arc starting and arc stabilizing devices;
---Part 4.Periodic inspection and testing;
---Part 5.Wire feeding device;
---Part 6.Load limiting equipment;
---Part 7.Welding torch (gun);
---Part 8.Gas circuit devices for welding and plasma cutting systems;
---Part 9.Installation and use;
---Part 10.Electromagnetic compatibility (EMC) requirements;
---Part 11.Welding clamps;
---Part 12.Welding cable coupling device;
---Part 13.Welding clamps;
---Part 14.Calibration, validation and consistency testing.
This document replaces GB/T 15579.7-2013 "Arc welding equipment Part 7.Welding torch (gun)" and is consistent with GB/T 15579.7-2013
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) Increase and refinement of “scope” (see Chapter 1);
b) Two items are added and one item is deleted in "Terms and Definitions" (see Chapter 3, Chapter 3 of the.2013 edition);
c) One item is deleted for the ambient air temperature range and one item is added for the relative air humidity (see Chapter 4, Chapter 4 of the.2013 edition);
d) The test environment temperature and electrical measuring instrument accuracy requirements have been changed (see 6.1,.2013 version of 6.1);
e) Add voltage rating requirements for mechanically guided submerged arc welding torches (guns) and torch (gun) coupling devices (see 7.1);
f) Delete the requirements related to the welding torch (gun) arc ignition and arc stabilizing voltage (see 7.3 of the.2013 edition);
g) Added additional requirements for plasma cutting torches (see 7.3.2);
h) Added requirements for arc starting and arc stabilizing voltage (see 7.5);
i) Added requirements for mechanically guided welding torches (guns) and smoke exhaust welding torches (guns) (see 8.1);
j) Added submerged arc welding torch (gun) (see 8.3.5);
k) Added the inapplicable scope of "resistance to welding spatter" (see Chapter 10);
l) Add requirements for handle materials in "Mechanical Protection" (see 11.3);
m) Add requirements for smoke exhaust welding torches (guns) in the "Instructions for Use" (see Chapter 13).
This document is equivalent to IEC 60974-7.2019 "Arc Welding Equipment Part 7.Welding Torch (Gun)".
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 the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Welding Machine Standardization Technical Committee (SAC/TC70).
This document was drafted by. Jinan North Welding Auxiliary Tools Co., Ltd., Shanghai Hugong Welding Group Co., Ltd., Chengdu Xionggu Jashidian
Equipment Co., Ltd., Tangshan Panasonic Industrial Machinery Co., Ltd., Shenzhen Megmeet Welding Technology Co., Ltd., Renqiu Jingheng Welding Cable Co., Ltd.
Co., Ltd., Zhejiang Zhongwelian Technology Co., Ltd., Chongqing Kemil Power Machinery Co., Ltd., Hangzhou Kelda Welding Robot Co., Ltd.
Company, Shanghai General Electric Welding Machine Co., Ltd., Zhimide Co., Ltd., Changzhou Huarui Welding and Cutting Machinery Co., Ltd., Chengdu Sanfang Electric
GAS LIMITED.
The main drafters of this document. Mao Yu, Shu Zhenyu, He Yaning, Ji Haiyang, He Zhijun, Wang Wantu, Cheng Haojian, Song Zefeng, Hou Runshi, Chen Zhengang,
Zhang Zhaorui, Ni Wenrong, Yang Yijun.
The previous versions of this document and the documents it replaces are as follows.
---First published as GB/T 15579.7-2005 in.2005, first revised in.2013;
---This is the second revision.
Introduction
Arc welding equipment mainly includes power supplies powered by power grids or batteries, as well as mechanical devices driven by arc welding and similar processes (such as arc welding
Power supply and plasma cutting system, etc.), auxiliary equipment, welding accessories, etc.
GB/T 15579 "Arc Welding Equipment" stipulates the safety requirements, performance requirements and electromagnetic compatibility requirements of arc welding equipment, and consists of 14 parts
composition.
---Part 1.Welding power source. The purpose is to specify the safety requirements and performance requirements of welding power sources.
---Part 2.Liquid cooling systems. The purpose is to specify the safety requirements and structure of the liquid cooling system of the auxiliary equipment welding torch (gun).
structural requirements.
---Part 3.Arc starting and arc stabilizing devices. The purpose is to specify the safety requirements for arc starting and arc stabilizing devices of auxiliary equipment.
---Part 4.Periodic inspection and testing. The purpose is to specify the periodic inspection and test procedures for welding power sources and to ensure that after maintenance
electrical safety requirements.
---Part 5.Wire feeding device. The purpose is to specify the safety requirements and performance requirements for wire feed devices of welding accessories.
---Part 6.Limiting load equipment. Intended for connection to single-phase public low-voltage supply systems and designed for non-professionals
Safety requirements and performance requirements for load-limited arc welding and cutting power sources and auxiliary devices used.
---Part 7.Welding torch (gun). The purpose is to specify the safety requirements and structural requirements for welding accessories welding torches (guns).
---Part 8.Gas circuit devices for welding and plasma cutting systems. The purpose is to provide for auxiliary equipment flammable gas or oxygen
Safety requirements and performance requirements for gas circuit devices.
---Part 9.Installation and use. The purpose is to specify the requirements for the installation and use of arc welding equipment.
---Part 10.Electromagnetic compatibility (EMC) requirements. The purpose is to specify the electromagnetic compatibility requirements for arc welding power sources and auxiliary equipment.
---Part 11.Welding pliers. The purpose is to specify the safety requirements and performance requirements for welding accessories and welding clamps.
---Part 12.Welding cable coupling devices. The purpose is to specify the safety requirements and performance of welding accessories and welding cable coupling devices
Require.
---Part 13.Welding clamps. The purpose is to specify the safety requirements and performance requirements for welding accessories and welding clamps.
---Part 14.Calibration, validation and consistency testing. The purpose is to specify the validation requirements for arc welding and its external monitoring equipment and arc
Requirements such as actual verification operation of welding equipment.
Arc welding equipment part 7.welding torch (gun)
1 Scope
This document specifies the safety requirements and structural requirements for welding torches (guns) used in arc welding and similar processes. This document is suitable for manual and mechanical
Guided, air-cooled, liquid-cooled, electric, wire-spooled and fume-exhaust torches (guns).
In this document, the welding torch (gun) consists of the main body of the welding torch (gun), cable hose assembly and other components.
This document also applies to cable hose assemblies connected between the power source and auxiliary equipment.
This document does not apply to welding clamps used for manual arc welding and cutting torches used for air arc gouging/cutting.
Note 1.Typical similar processes include arc cutting and spraying.
Note 2.For other components, see Table A.1 in Appendix A.
Note 3.In this document, the requirements for welding torches and welding guns are the same. For the sake of convenience, they are all referred to as welding torches (guns) below.
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.
ISO 21904-3.2018 Requirements, testing and marking of air filtration equipment for health and safety in welding and related processes Part 3
Note. GB/T 4208-2017 Enclosure protection level (IP code) (IEC 60529.2013, IDT)
IEC 60695-11-10 Fire hazard test Part 11-10.Test flame 50W Horizontal and vertical flame test method
Note. GB/T 5169.16-2017 Fire hazard test for electrical and electronic products Part 16.Test flame 50W Horizontal and vertical flame test methods
(IEC 60695-11-10.2013,IDT)
power sources)
Note 1.There is no technical difference between the quoted content of IEC 60974-1.2021 and the quoted content of IEC 60974-1.2017/AMD1.2019
Note 2.GB/T 15579.1-2013 Arc welding equipment Part 1.Welding power source (IEC 60974-1.2005, IDT)
3 Terms and definitions
The terms and definitions defined in IEC 60974-1.2021 and the following apply to this document.
ISO and IEC publish terminology databases for standardization at.
Note. See Appendix A for other related terms.
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