AIA/NAS 964-2012 pdf download MACHINE GAS METAL ARC FUSION WELDING EQUIPMENT
SCOPE
Purpose
This specification provides a standard for manufacture,performance,inspection,reliability and procurement ofa machine for gas metal arc welding systems,exclusiveof weld positioners,weld manipulators, and othermechanical tooling device8. This standard lists minimumrequilrements and is not to limit design advances .
Classification
The welding systems shall be of the following types,sizesand class.
Type
I- Constant Potential
ICombination Constant Potential/Constant Current
III – Shorting Arc
IV – Pulsed Current
Size
200Amp-
250B-Amp
CI300Amp
o1400Amp
E-600Amp
Clas8
Mechanized Gas Metal Arc (N/C Optional)

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