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Old plasma cutter with new torch - Pak 45 conversion

Thermal Dynamics plasma cutter discussion forum.
peterklos
Posts: 3
Joined: Sat Sep 20, 2014 7:51 pm

Old plasma cutter with new torch - Pak 45 conversion

Postby peterklos » Mon Jul 31, 2017 6:14 am

Hi need some advice , I have a thermal dynamics PAK 45 it's a great old big 400a transformer based plasma cutter that has N2 plasma gas and CO2 shield gas.
I would like to get a better cut quality on mild steel plus get rid of the nitrogen bottles . I have seen on the net torch conversions that run off compressed air and claim to have much better cut quality !
Has any one replaced the n2 torch with a new one that runs off compressed air and is the cut quality better , I don't expect it to be like inverter quality , but gas consumption is expensive plus the cost of a new torch is a fraction of a new plasma cutter !
Peter

srp
Posts: 174
Joined: Wed Sep 23, 2009 8:54 pm
Location: Midcoast Maine

Re: Old plasma cutter with new torch

Postby srp » Tue Aug 01, 2017 7:25 pm

I had one of those which I used only compressed air. I used the torch that came with it. Could you change out the torch with a one torch I don't know and anyone from the factory will tell you not to do it.


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