问答详情-What is DP in welding process?

问答详情-What is DP in welding process?

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What is DP in welding process?

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What is DP in welding process?

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0861788249

0861788249 2017-01-04 09:14:14

Not really. Frequency in is frequency out, unless there is some conversion circuit in between, such as a motor-generator set or some kind of inverter. You may (and should) notice, however, that a typical welding transformer is rectifying three phase AC to DC, using a full wave rectifier. This results in a pulsating DC voltage where the ripple frequency is 360hz.
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0861788249 2017-01-04 09:13:51

DP is not actually to do with welding it is a form of NDT which stands for non destructive testing; DP is dye-pen where a white liquid formation is placed over the weld & a normally red enhancer is then placed over the top; this then identifies surface cracks.
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