pulse migs are a inverter based mig welders that fluctuate the supplyed power and feed eletronicly to suit the job, mainly for spasific applications and materials like thick to thin programs or in production lines etc. units come from small to massive and sometimes called synergic and weld allys real nice
programs and settings (what material,wire,gas,transfer style and thickness ) are set and the eletronics know how the arc is working and ajusts as it goes
i have demoed a few units and some have pritty cool funtions like when you tap the trigger the settings change so you can weld one continous bead but change position as you go without changing your speed or adding weve
like welding all the way around a window frame without stoping.
small basic units are now comon place in modern bodyshops with the need to migbraze boron steel bodywork on newer cars even used a migatronic that had two torches one ally one migbraze (or steel) just grab the one you want and tap the trigger and off you go.
pulse tigs on the other hand are getting very comon now and pulse the out put hi lo hi lo to minimise heat input and keep thing neater and quicker
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