RO
SR EN ISO 669:2016
Resistance welding - Resistance welding equipment - Mechanical and electrical requirements (ISO 669:2016)
ISO 669:2016 defines and specifies certain identified electrical and mechanical characteristics of equipment used for - resistance spot welding, - projection welding, - resistance seam welding, - upset welding[1], and ? flash welding[2]. ISO 669:2016 specifies the information to be given in equipment specifications and the test methods to be used for measuring those characteristics. Not all requirements apply to all types of equipment. The following types of power sources are included: - single phase with alternating welding current; - single phase with rectified welding current by rectification of the output of the welding transformer; - single phase with inverter welding transformer; - three phase with rectified welding current by rectification of the output of the welding transformer; - three phase with a current rectification in the input of the welding transformer (sometimes called frequency convertor); - three phase with inverter welding transformers. ISO 669:2016 Standard does not apply to welding transformers that are separate from the equipment. NOTE Safety requiremen
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Status :
Valid
Approval date : 9/30/2016
Number of pages : 52
ICS : 25.160.30 Welding equipment
Technical Committee : 39 - Welding and allied processes
- Replaces STAS 11051/1-84
- Replaces STAS 11052-79
- Normative reference SR EN ISO 17677-1:2009
- Normative reference SR EN ISO 17657-2:2007
- Normative reference SR EN ISO 5826:2014
- Normative reference SR EN ISO 17657-5:2007
- Normative reference SR EN 62135-1:2016