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Multiprocess vs individual machines


Tue, 22 Nov 2022 07:51:26 GMT
I have seen people recommending getting separate stick/Tig and Mig machines instead of a single multiprocess machine.  Other than not having a backup, what do you give up with the multiprocess that would make having two (or more) machines preferred?I am a hobbiest and will be working mostly in a garage so space/weight is a concern, but two smallish machines would be possible, if not preferable.Considering the Miller Multimatic 220.Last edited by brodie; 16 Hours Ago at 11:38 AM.Reason: sp
Reply:I looked at a multiprocess machine before I bought. Ended up buying a harbor freight stick machine on sale. Already have a lincoln mig for hobbyist basically. I even bought a plasma off Amazon on sale. Dedicated machine is nice. I have 240V in my barn to run my stick welder. It also runs off 110V. I have maybe $500 in the stick welder and plasma. The mig was given to me by my uncle.Sent from my SM-N950U using Tapatalk
Reply:I have a Lincoln multi-process machine and I would say it depends on what you intend to do, how often you will change processes and of course, your work space and finances. My current work space is cramped and I don't like to leave the TIG pedal connected all the time because the cord gets walked on. In my particular machine the cord connection for the pedal is in an unhandy place. Switching between MIG and stick is pretty fast and easy though. The multimatic may be better layed out than the 210MP that I have.---Meltedmetal
Reply:I had a Miller Syncrowave 250 TIG welder, and a Millermatic 252 MIG welder. Both excellent machines. But I almost never weld aluminum, and I rarely TIG anything either, so I elected to unload both of those and go with a Multimatic 255. Most of my work is MIG or stick, and usually only on ferrous metals. So the MM255 is perfect for me and takes up less than 25% of the space of my two previous units. If I was welding a lot of aluminum with TIG, I would do a separate TIG welder. Last time I checked the AC/DC multiprocess units lack the full range of adjustability that a dedicated TIG unit has, and they lack the top end MIG power that I like. They are also pretty darned expensive. In my case I will use MIG if I have an aluminum project or I will go buy something like a Primeweld 225, which really can't be beat for the price.Miller Multimatic 255
Reply:If you have multiple dedicated machines, you don't have to spend any time futsing around swapping cables, swapping gas, flipping all the switches and changing all the settings. Just pick it up and start welding.Same reasoning most people like to have four or five grinders. Saves a lot of work in the long run.Airco Auto-Pak 130Forney 235AC/DC
Reply:
Multiprocess vs individual machines
Originally Posted by Roert42
Multiprocess vs individual machines
If you have multiple dedicated machines, you don't have to spend any time futsing around swapping cables, swapping gas, flipping all the switches and changing all the settings. Just pick it up and start welding.Same reasoning most people like to have four or five grinders. Saves a lot of work in the long run.
Reply:On some projects I like having mig for fitting and tacking assemblies together and then doing final welds with stick.  It's nice having dedicated machines plugged in and set up for this.Maybe even leave the work clamp on the project and replug into the other machine when switching processes.
Multiprocess vs individual machines
Last edited by Lis2323; 14 Hours Ago at 01:42 PM.:
Reply:
Multiprocess vs individual machines
Originally Posted by Louie1961
Multiprocess vs individual machines
Last time I checked the AC/DC multiprocess units lack the full range of adjustability that a dedicated TIG unit has, and they lack the top end MIG power that I like. They are also pretty darned expensive. In my case I will use MIG if I have an aluminum project or I will go buy something like a Primeweld 225, which really can't be beat for the price.
Reply:From what i read about some multi purpose machines, don't have as much power as a dedicated process machine. What type of work do you plan on doing ? A AC/DC stick machine can be adapted to stick but without a foot pedal. A mig machine with gas, 75/25, would probably cover all your needs depending on amps avaiable. I'd say get a stick machine IF you plan on working with thicker and dirty materials. For almost anything else, a mig would be my choice. You can do almost anything with a mig if you have enough amps.
Reply:
Multiprocess vs individual machines
Originally Posted by lis2323
Multiprocess vs individual machines
on some projects i like having mig for fitting and tacking assemblies together and then doing final welds with stick.  It's nice having dedicated machines plugged in and set up for this.Maybe even leave the work clamp on the project and replug into the other machine when switching processes.
Multiprocess vs individual machines

Reply:
Multiprocess vs individual machines
Originally Posted by BD1
Multiprocess vs individual machines
From what i read about some multi purpose machines, don't have as much power as a dedicated process machine.

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