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<p>ISO 669:2016 defines and specifies certain identified electrical and mechanical characteristics of equipment used for</p>
<p>- resistance spot welding,</p>
<p>- projection welding,</p>
<p>- resistance seam welding,</p>
<p>- upset welding[1], and</p>
<p>? flash welding[2].</p>
<p>ISO 669:2016 specifies the information to be given in equipment specifications and the test methods to be used for measuring those characteristics.</p>
<p>Not all requirements apply to all types of equipment.</p>
<p>The following types of power sources are included:</p>
<p>- single phase with alternating welding current;</p>
<p>- single phase with rectified welding current by rectification of the output of the welding transformer;</p>
<p>- single phase with inverter welding transformer;</p>
<p>- three phase with rectified welding current by rectification of the output of the welding transformer;</p>
<p>- three phase with a current rectification in the input of the welding transformer (sometimes called frequency convertor);</p>
<p>- three phase with inverter welding transformers.</p>
<p>ISO 669:2016 Standard does not apply to welding transformers that are separate from the equipment.</p>
<p>NOTE Safety requirements for resistance welding equipment are covered by IEC 62135?1.</p>
<p>[1] Often referred to by the non-preferred term, butt welding.</p>
<p>[2] Often referred to by the non-preferred term, flash butt welding.</p>
Reģistrācijas numurs (WIID)
44795
Darbības sfēra
<p>ISO 669:2016 defines and specifies certain identified electrical and mechanical characteristics of equipment used for</p>
<p>- resistance spot welding,</p>
<p>- projection welding,</p>
<p>- resistance seam welding,</p>
<p>- upset welding[1], and</p>
<p>? flash welding[2].</p>
<p>ISO 669:2016 specifies the information to be given in equipment specifications and the test methods to be used for measuring those characteristics.</p>
<p>Not all requirements apply to all types of equipment.</p>
<p>The following types of power sources are included:</p>
<p>- single phase with alternating welding current;</p>
<p>- single phase with rectified welding current by rectification of the output of the welding transformer;</p>
<p>- single phase with inverter welding transformer;</p>
<p>- three phase with rectified welding current by rectification of the output of the welding transformer;</p>
<p>- three phase with a current rectification in the input of the welding transformer (sometimes called frequency convertor);</p>
<p>- three phase with inverter welding transformers.</p>
<p>ISO 669:2016 Standard does not apply to welding transformers that are separate from the equipment.</p>
<p>NOTE Safety requirements for resistance welding equipment are covered by IEC 62135?1.</p>
<p>[1] Often referred to by the non-preferred term, butt welding.</p>
<p>[2] Often referred to by the non-preferred term, flash butt welding.</p>
