Plasma cutters- circle cutting on outside projects...

   / Plasma cutters- circle cutting on outside projects...
  • Thread Starter
#11  
I was taught to put the chain to the lower frame. Supposable less likely to bend the trailer. Any thoughts form the group. My guess the way showed here is that it a binder let loose the chain will situ]ill have a place to hold.

jmo, but if the trailer is distorting by just tightening down a load, there are probably bigger problems than where the chain/ strap is attached
 
   / Plasma cutters- circle cutting on outside projects... #12  
jmo, but if the trailer is distorting by just tightening down a load, there are probably bigger problems than where the chain/ strap is attached

Must be one of those 110V mig built trailers you guys are always talking about.

Terry
 
   / Plasma cutters- circle cutting on outside projects...
  • Thread Starter
#13  
:laughing: I had to go read the thread you may be talking about
Is this it? http://www.tractorbynet.com/forums/build-yourself/164738-mig-welder-how-thick-can.html

Or is it a different thread?


I am not a believer in 110 vac welders-( except maybe small stuff on a budget) and never owned or used a 110 only unit.

Seems to me that 230 vac is pretty much a given to have the power available to put heat into a weld when needed-

especially over 1/4" steel let alone anything 1/4"+ of Aluminum, the welders i have owned were 230 volt except my old victor Oxy-Acetylene:)

For many years my mig was the only electric welder -and although it did weld 3/8 steel, was never comfortable with making multiple passes at max amperage (hoping) for really good penetration /fusion.
Never tried flux cored wire either, just dug out the old tombstone while I had it, for outside welding unless it was dead calm.

Have always believed that a person needs to use what he has to get the job done- but may have to add an exception for 110 volt welder built trailers...
In that case keep the small welder and buy a 230 volt one with enough amperage and duty cycle for the bigger jobs-(trailer building)

May have to go get my flame suit out now, for the heat possibly coming my way - showing me the wonderful 110 volt welder built trailers.
 
   / Plasma cutters- circle cutting on outside projects... #16  
Last edited:
   / Plasma cutters- circle cutting on outside projects...
  • Thread Starter
#18  
Thanks - did a search
(thanks for the info guys) and also found them on Ebay listing and these stencils work for (drag tip) Hypertherm, Miller and Thermo Dynamics.



Now the confusing part- with a chinese plasma cutter.
Mine has an SG-55 60 amp torch and is a non contact??? the plasma cutter is a high frequency pilot arc style machine.

Have drug the tip before- but not actually (sure) it is ok to use that way- :ashamed:
without a (standoff) wire that attaches to the ceramic shield cup. The torch tip is very similar size wise to the name brand units. Classed as (PCON)
Read the manual that came with it- and there is reference to maintaining a slight clearance between tip and work

When I cut out the circles on the trailer, using the wire guide worked pretty well although it would seem the cut would be more accurate just dragging the tip Without the standoff. The actual tip diameter is similar to both the Miller and Hypertherm.

So after thinking these 911 motorsport stencils would be perfect and also usable for corners- I may not be able to use them as designed, without worrying about frying the chinese plasma cutter...
 

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