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GB 15579.4-2014 English PDF

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GB 15579.4-2014: [GB/T 15579.4-2014] Arc welding equipment -- Part 4: Periodic inspection and testing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 15579.4-2014	449	Add to Cart	4 days	[GB/T 15579.4-2014] Arc welding equipment -- Part 4: Periodic inspection and testing	Valid

Similar standards

GB/T 41861 GB/T 40337 GB/T 35091 GB/T 15579.1 GB/T 15579.7 GB/T 15579.5

Basic data

Standard ID: GB 15579.4-2014 (GB15579.4-2014)
Description (Translated English): [GB/T 15579.4-2014] Arc welding equipment -- Part 4: Periodic inspection and testing
Sector / Industry: National Standard
Classification of Chinese Standard: J64
Classification of International Standard: 25.160.30
Word Count Estimation: 17,199
Date of Issue: 12/5/2014
Date of Implementation: 10/16/2015
Quoted Standard: GB 15579.1-2013; IEC 60050-151; IEC 60050-195; IEC 60050-851; IEC 60974-6; IEC 60557-4
Adopted Standard: IEC 60974-4-2010, IDT
Regulation (derived from): Announcement of Newly Approved National Standards 2014 No. 27
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the test procedures and periodic inspections to ensure electrical safety after repair. The test procedure also applies to equipment maintenance. This section applies to press GB 15579.1-2013 or IEC 60974-6 standard design of arc we

GB 15579.4-2014: [GB/T 15579.4-2014] Arc welding equipment -- Part 4: Periodic inspection and testing

---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.
Arc welding equipment.Part 4. Periodic inspection and testing ICS 25.160.30 J64 National Standards of People's Republic of China Welding equipment - Part 4. Periodic inspection and testing (IEC 60974-4.2010, IDT) Issued on. 2014-12-05 2015-10-16 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 2 General requirements The level of 4.1 pairs of test requirements for personnel 2 4.2 Test conditions 2 4.3 Measuring Instruments 2 4.4 Periodic inspection and test 2 4.5 Maintenance 2 4.6 Maintenance 3 4.7 Test sequence 3 5 Protection against electric shock 3 5.1 General visual inspection 3 5.2 Continuity of protective circuit 3 5.3 Insulation Resistance 4 5.4 welding circuit leakage current 4 5.5 Primary leakage current 4 5.6 No-load voltage (U0) 5 6 6 Function test 6.1 Function 6 6.2 Input circuit on/off switch means 6 Voltage lowering means 6 6.3 The valve 7 6.4 6.5 lights and control lamps 7 7 file 7 7.1 Inspection Report 7 7.2 Identification 7 Appendix A (informative) visual inspection of the project 8 Examples Appendix B (informative) equipment maintenance inspection report after 9 Annex C (informative) fails equipment GB 15579.1 Design 11 Appendix NA (informative) consistency in international relations in this part of the file specification and the references of the document 12 Figure 1 welding circuit leakage current measurement 4 Figure 2 primary leakage current test network 5 Figure 3 Single-phase measurement principle primary device leakage current of 5 4-peak measurements Figure 6 Table 1 has been put into use in arc welding equipment test sequence 3 Table 2 Insulation Resistance 4

Foreword

Part 3 of this chapter are recommended, the rest are mandatory. GB 15579 "arc welding equipment" is divided into 13 parts. --- Part 1. Welding power sources; --- Part 2. Liquid cooling systems; --- Part 3. Arc and Arc Stabilisation Unit; --- Part 4. Periodic inspection and testing; --- Part 5. Wire feeders; --- Part 6. Load limits for manual metal arc welding power source; --- Part 7. torch (gun); --- Part 8. Welding and plasma cutting system gas path means; --- Part 9. Installation and Use; --- Part 10. Electromagnetic compatibility (EMC) requirements; --- Part 11. Electrode holders; --- Part 12. Coupling devices for welding cables; --- Part 13. Welding clamp. This is Part 4 GB 15579's. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method is equivalent to using IEC 60974-4.2010 "welding equipment - Part 4. Periodic inspection and testing." Consistency correspondence between this part of the normative international documents referenced with our document Appendix NA. This part made the following editorial changes. --- Increase the informative appendix NA. This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Welding Standardization Technical Committee (SAC/TC70) centralized. This section is drafted. Tangshan Matsushita Industrial Equipment Co., Ltd., Chengdu tripartite Electric Co., Ltd., Hangzhou Kai Erda Welder Co. Division Shenzhen Christie Technology Co., Ltd., Zhejiang Kende Mechanical & Electrical Co., Ltd., Nantong-Hong welding Electrical Co., Ltd. Zhejiang PUMA Welding Equipment Manufacture Co., West Germany (Hangzhou) Co., Ltd. inverter, Chengdu Institute of electric welding. The main drafters of this section. Chen Jie, Yang Qingxuan, Hou Boucher, coke Huaizhi, Zhuxuan Hui, Tang Zaikang, then Cao Hua, Zou tin Ting, Du Wu. Welding equipment - Part 4. Periodic inspection and testing

1 Scope

GB 15579 of the provisions of this part of the cycle of the test procedure and to ensure electrical safety inspection after repair. The same test procedure Suitable for equipment maintenance. This section applies to press GB 15579.1-2013 or IEC 60974-6 standard design of arc welding and similar processes used in power. according to According to the independent auxiliary means other part of the standard GB 15579 design can be tested in accordance with this section. Note 1. The welding power source can be any auxiliary devices may affect the test results of the installation to be tested together. This section does not apply to new welding power source or an internal combustion engine-driven welding power source test. Note 2. The design of the power supply fails GB 15579.1-2013 Appendix C.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 15579.1-2013 welding equipment - Part 1. Welding power sources (IEC 60974-1.2005, IDT) And magnetic devices IEC 60050-151 International Electrotechnical terminology electricity [InternationalElectrotechnicalVocabulary (IEV) -Part 151. Electricalandmagneticdevices] IEC 60050-195 Electrotechnical terminology grounding and protection against electric shock [InternationalElectrotechnicalVocabulary (IEV) - Part 195. Earthingandprotectionagainstelectricshock] IEC 60050-851 International Electrotechnical Vocabulary - Chapter 851. Welding (InternationalElectrotechnicalVocabulary (IEV) -Chapter851. Electricwelding) IEC 60974-6 Arc welding equipment - Part 6. Load limits for manual metal arc welding power source (Arcweldingequipment-Part 6. Limiteddutymanualmetalarcweldingpowersources) IEC 61557-4 1000V AC and 1500V DC low voltage distribution systems for electrical safety protection measures for testing, measuring Or monitoring equipment - Part 4. equipotential grounding resistance and grounding resistance (Electricalsafetyinlowvoltagedistributionsys- temsupto1000Va.c.and1500Vd.c.-Equipmentfortesting, measuringormonitoringofprotec- tivemeasures-Part 4. Resistanceofearthconnectionandequipotentialbonding)

3 Terms and Definitions

GB 15579.1-2013, IEC 60050-151, IEC 60050-851 and IEC 60050-195 and the following definition of terms and definitions Apply to this document. 3.1 Professional expert Industry personnel competentperson Skilled skiledperson Professionally trained, they have some knowledge of the equipment and enough experience to judge and deal with possible accidents of people. NOTE. In the related art for many years practical work is considered to be professionally trained. [GB 15579.1-2013, the definition 3.3] 3.2 Trained personnel instructedperson Familiar with the assigned work and understand because of negligence or other reasons may occur accidents or hazards involved. NOTE. If necessary, you can receive some training in advance. [GB 15579.1-2013, the definition 3.4] 3.3 Periodic inspection and testing periodicinspectionandtest To reduce the risk and at a certain time interval Check carried out. 3.4 Maintenance maintenance In order to reduce the risk of failure and prescribed maintenance intervals performed. 3.5 Maintenance repair Restored to a safe operating state established. 3.6 Test personnel testpersonnel Trained and authorized to perform periodic inspection and test personnel or specialists.

4 General requirements

The level of 4.1 pairs of test personnel requirements Personnel welding power source test may lead to dangerous, so should be trained electrical maintenance training and are familiar with welding, cutting and allied processes Or expert test. If the device is not necessary to open the housing, trained personnel should be considered eligible for simple cycle checkpoint And maintenance. Note. hazardous voltages and currents inside the equipment housing may cause electric shock, burns, or death, only professional test personnel may open the device. 4.2 Test conditions Test ambient temperature of 10 ℃ ~ 40 ℃, the subject of the welding power supply should be dry and clean. 4.3 Measuring Instruments Precision measuring instruments should be at least 2.5, except when the insulation resistance measurement. For insulation resistance measurement accuracy of the instrument is no regulation Set, but shall be tested for accuracy problems. 4.4 Periodic inspection and testing Requirements in accordance with Table 1 will be periodic inspections and tests. 7.1 shall be required to fill out inspection reports. During the test, it should follow the manufacturer's supplement. 4.5 Maintenance It shall be provided by the manufacturer maintenance schedule and instructions for maintenance. 7.1 shall be required to fill out inspection reports. 4.6 Maintenance After the repair or replacement and repair welding or cutting functions related components, professionals should be specified in Table 1 to select the appropriate test project. NOTE. If only simple repairs, such as replacing lamps, wheels or undercarriage, you do not have to Table 1 test. 7.1 shall be required to fill out inspection reports. During the test, it should follow the manufacturer's supplement (such as functional test circuit diagrams, spare parts list, power and auxiliary devices, etc.). 4.7 Test procedure The test sequence in Table 1. Table 1 has been put into use in arc welding equipment test sequence Periodic inspection and testing after repair a) general visual inspection, see 5.1 a) general visual inspection, see 5.1 b) Electrical test. --- Protective conductor resistance, see 5.2; --- Insulation resistance a, see 5.3; --- Load voltage, see 5.6 b) Electrical test. --- Protective conductor resistance, see 5.2; --- Insulation resistance a, see 5.3; --- Load voltage, see 5.6 c) Functional Test. ---no request c) Functional Test. --- Function, see 6.1; --- Supply circuit on/off means, see 6.2; --- Voltage lowering means, see 6.3; --- Solenoid valve, see 6.4; --- Lights and control lights, see 6.5 d) inspection reports, see Chapter 7, d) inspection reports, see Chapter 7 If the removal of a test device of any one component (for example, suppressors, protective capacitor or surge protection devices), insulation resistance test can not be performed When the inspection, insulation resistance test 5.4 and 5.5 may be specified welding circuit leakage current and the leakage current primary test instead.

5 Protection against electric shock

5.1 General visual inspection General visual inspection should be under conditions of use welding equipment, according to the instructions provided by the manufacturer. General visual inspection of the items in Appendix A. 5.2 Continuity of protective circuits When the class Ⅰ protected welding equipment including auxiliary equipment (such as cooling systems), the length of the cable connected to the supply does not exceed 5.0m, protection The resistance value of the conductor should not exceed 0.3Ω. If the cable length exceeds 5.0m, then each exceeding 7.5m, to allow the resistance value of the protective conductor corresponding increase 0.1Ω. Protective guide The maximum permissible value resistor 1Ω. Compliance check. according to the requirements of IEC 61557-4 measured between the exposed conductive parts to the protective conductor at the plug and test equipment The resistance. The measurement process, the cable twist along the longitudinal direction of bending, especially at the cable enters the cabinet, in order to detect the protective conductor break Happening. 5.3 Insulation resistance The insulation resistance should not be less than the value specified in Table 2. Table 2 Insulation Resistance A measuring insulation resistance Input circuit to welding circuit 5.0MΩ double or reinforced insulation Welding circuit protection circuits 2.5MΩ basic insulation Input circuit protection circuits 2.5MΩ basic insulation Input circuit Ⅱ type of equipment on the contact surface b 5.0MΩ easily double or reinforced insulation and a control loop should have its circuit electrically connected together for testing. B non-conductive surface is easy to measure the contact, the surface should be treated as metal foil wrapped. Compliance check. at room temperature, applying 500V DC voltage measuring insulation resistance value stability. When measuring, welding torch (gun) should be removed, a solid-state electronic components and protection devices may be short-circuited, the liquid cooling apparatus fails coolant. 5.4 welding circuit leakage current Leakage current welding output terminal and protective conductor terminals should not exceed 10mA rms ac. Compliance check. the rated input voltage and load conditions with a measuring line in Figure 1 leakage current. Total resistance measurement circuit is (1750 ± 250) Ω, and with a bypass capacitor that the time constant of the circuit is (225 ± 15) μs. Measurement circuit when the total resistance 1750Ω, capacitance is 130nF. Note. For Ⅱ type of equipment, the use of power supply network systems PE terminals. Figure 1 welding circuit leakage current is measured 5.5 Primary leakage current Primary external protective conductor leakage current should. a) less than or equal to the rated current of 32A plug-in connector device does not exceed 5mA; b) For the rated current greater than 32A plug-in connector device not more than 10mA; c) For no special protective conductors, permanently connected equipment does not exceed 10mA; d) For a permanent connection, with equipment to strengthen the protective conductor, does not exceed 5% of the rated input current of each phase. Compliance Check. In the following conditions, and conventional voltmeter with a measuring circuit shown in Figure 2. a) welding power. --- Ground isolation; --- From the rated input voltage power supply; --- Except through measurement assembly, otherwise it should not be connected with the protective ground. b) is unloaded; c) can not be removed interference suppression capacitors. Note 1. The circuit shown in Figure 2 is used to obtain reproducible results. Explanation. A, B --- test terminals; RS --- 1500Ω; RB --- 500Ω; CS --- 0.22μF; U1 --- rated input voltage; R1 --- 10000Ω; U2 --- conventions load voltage; C1 --- 0.022μF. Leakage Current IPE = U2 RB Figure 2 primary leakage current test network Primary leakage current can be directly measured by differential measurement or current measurement method shown in Figure 3. Fig. 2 instead of the measuring circuit Figure 3 meter. Tolerance measurement circuit component values should not exceed ± 5%. For permanent connections with equipment to strengthen the protective conductor shall be the manufacturer's test. Figure 3 Single-phase measurement principle primary device leakage current Note 2. Warning this test should be professionals during the test the protective conductor in a failed state. 5.6 No-load voltage (U0) Welding power at the rated input voltage and frequency, each retaining its no-load peak voltage shall not exceed the GB 15579.1-2013 Value specified in Table 13. Before the test, if applicable, shall be specified test or the manufacturer's instructions for removing and stable arc extinguishing device, or to bypass. Between the output of the welding power source load voltage measurement. If for security reasons or can not control other aspects of welding power output Measured between the end of the no-load voltage should be between terminal welding torch and welding cables measured no-load voltage reflux. Plasma cutting power is not This test is carried out. If there is a marked decrease in the nameplate rated load voltage (Ur) or convert the rated load voltage (Us), then the measured (Ur) or (Us) Alternative (U0). Compliance checks. carried out by the following measurement. a) rms With a True RMS meter shunt resistor 5kΩ external welding circuit is measured. b) Peak In order to obtain reproducible measurements of peak, non-negligible risk of a pulse, and the use of the line shown in Figure 4. Explanation. ① --- 1N4007 diode or similar device. Peak measurements Figure 4 Voltmeter should indicate average range selection table should be as close to the actual value of the load voltage. Resistance voltmeter least 1ΜΩ. Measurement parameters circuit element tolerance shall not exceed ± 5%. 0.2kΩ resistor having at least 65W of power. Rheostat should Can withstand the 0.6A current. Capacitor voltage rating as low as 200V.

6 function tests

6.1 Function In order to ensure the normal operation, where the testing personnel involved in determining the safety of each function should be checked. Compliance Check. Start welding power supply, check the operation status. 6.2 Input circuit on/off switch means If the input circuit is equipped with an on/off switch means (such as switches, contactors or circuit breaker), then the on/off switch device should be able to. a) off all non-grounded power cord; b) clearly shows off the line. Compliance check. visual inspection and measurement. 6.3 voltage down means If you install a voltage reduction device, this device should display properly. Compliance Check. In the no-load and load conditions to observe the operation of the pointing device. 6.4 Solenoid valve Should be checked each solenoid valve (eg TIG welding power source, MIG/MAG welding power source, plasma power) to confirm its normal operation. Compliance check. the following operations carried out by visual inspection and test or specified by the manufacturer. a) Function Touch the torch switch, check airflow, confirm solenoid valve action; b) leakage Blocking the outlet, confirm no leakage (for example, no pressure drop). NOTE. Flexible pipe and connecting means gas leak may occur. 6.5 and control lamp lights Each signal should be checked or controlled lights, to ensure normal work. Compliance check. visual inspection.

7 file

7.1 Inspection Report Inspection report shall include. a) the model being tested arc welding equipment; b) date of inspection; c) input voltage; d) test results; e) the signature testing organizations and testers; f) test equipment used. After the inspection report shall include equipment maintenance specified in Table 1 for all test items, otherwise, the response test items have not performed as described. Test report format in Appendix B. 7.2 Logo Qualified testing equipment should be labeled with identification. Identification shall include the date of inspection or in accordance with local regulations recommended by the next inspection date.

Appendix A

(Informative) Visual inspection of the project Visual inspection should include the following items. a) torch/welding clamp, welding clamp --- Missing or defective insulation --- Connection defect --- Switch defective or damaged --- Other damage b) Power supply --- Defective or damaged cables --- Plug deformed or damaged --- Connector breakage or thermal damage --- Cable fixing device failure --- Cable and plug Not applicable c) welding circuit --- Defective or damaged cables --- Coupler/socket deformation, damage or heat damage --- Cable fixing device failure --- Cables and couplers NA d) housing --- Parts are missing or damaged --- Unauthorized modifications --- Cooling air filter obstruction or missing --- Overloading or improper use --- Protective devices a......

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Question 2: Can I share the purchased PDF of GB 15579.4-2014_English with my colleagues?

Answer: Yes. The purchased PDF of GB 15579.4-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

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