IEC 60974-5:2019 specifies safety and performance requirements for industrial and professional equipment used in arc welding and allied processes to feed filler wire. This document is applicable to wire feeders and to wire-feed controls that are stand-alone (separate from the welding equipment), housed together in a single enclosure or housed in a single enclosure with other welding equipment. The wire feeder can be suitable for manually or mechanically guided torches. This fourth edition cancels and replaces the third edition published in 2013 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – changes induced by the publication of IEC 60974-1:2017; – addition of requirements for welding circuit connections in 6.9; – clarification of requirements and conformity in 6.3.1; – clarification of thermal requirements in Clause 9; – addition of requirements in relation to abnormal operation in Clause 10. This International Standard is to be used in conjunction with IEC 60974-1:2017.<\/p>\n
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| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | Annex ZZ (informative)Relationship between this European standard and the safety objectives of Directive 2014\/35\/EU [2014 OJ L96] aimed to be covered <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4 Environmental conditions 5 Tests 5.1 Test conditions 5.2 Measuring instruments 5.3 Conformity of components 5.4 Type tests 5.5 Routine tests <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Protection against electric shock 6.1 Insulation 6.2 Protection against electric shock in normal service (direct contact) 6.2.1 Protection provided by the enclosure 6.2.2 Capacitors 6.2.3 Automatic discharge of supply circuit capacitors Table 1 \u2013 Minimum degree of protection <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 6.2.4 Isolation of the welding circuit 6.2.5 Welding circuit touch current 6.2.6 Touch current in normal condition 6.3 Protection against electric shock in case of a fault condition (indirect contact) 6.3.1 Protective provisions 6.3.2 Isolation between windings of the supply circuit and the welding circuit 6.3.3 Internal conductors and connections <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6.3.4 Isolation of the welding circuit from the frame 6.3.5 Touch current in fault condition 6.4 Power supply to external devices connected to the welding circuit 6.5 Overcurrent protection of the supply circuit 6.6 Cable anchorage 6.7 Auxiliary power supply 6.8 Inlet openings 6.9 Welding circuit connections <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 6.10 Control circuits 6.11 Isolation of hanging means 7 Liquid cooling system 8 Shielding gas supply <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 9 Thermal requirements 10 Abnormal operation 10.1 General requirements <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 10.2 Stalled fan test 11 Mechanical provisions 11.1 Wire feeder 11.2 Enclosure 11.3 Handling means 11.4 Drop withstand <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 11.5 Tilting stability 11.6 Filler wire supply 11.6.1 Filler wire supply mounting 11.6.2 Wire spool retaining device 11.6.3 Filler wire overrun 11.7 Feeding <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 11.8 Protection against mechanical hazards 12 Rating plate 12.1 General 12.2 Description <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 12.3 Contents Figure 1 \u2013 Principle of the rating plate of stand-alone wire feeder <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 13 Indication of wire-feed speed 14 Instructions and markings 14.1 Instructions <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 14.2 Markings <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex A (normative)Determination of the variation in wire-feed speed A.1 With respect to load change A.2 With respect to supply voltage change <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | A.3 With respect to temperature rise <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Annex B (informative)Example of a rating plate of a stand-alone wire feeder Figure B.1 \u2013 Stand-alone wire feeder <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Arc welding equipment – Wire feeders<\/b><\/p>\n |