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  #21  
Old 10-14-2017, 10:56 AM
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I'll try it out on something really rusty, and see if its hard to initiate the plasma. I have some old rusty metal kicking around to try it on.
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  #22  
Old 10-14-2017, 12:37 PM
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If you decide to sell it, its used and Chinese so I'll give you 25% of what you paid for it

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  #23  
Old 10-14-2017, 09:38 PM
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So I brought into the garage a piece of real nasty, rust encrusted angle iron. When I put it in the vice, skins of rust fell off in places. I had to grind it to get through to the metal to put a ground on it.

No problem whatsoever in starting the plasma on it. I cut it in two nasty rust encrusted spots and all I had to do was touch the copper plasma tip to the rusty surface and it started the plasma flow. I did not have to drag the tip around or scrape it through the rust. It just started cutting right away. I don't know that anyone would possibly want to work with anything rustier than this piece.

There must be enough high voltage or high frequency or something coming out of this plasma cutter to initiate the arc through all that rust. You wouldn't find a u bolt or piece of suspension on an old vehicle you were dismantling any rustier than this. Just make sure you clean a spot to put the ground on.
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  #24  
Old 10-15-2017, 09:40 AM
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Thatís not too bad. I know itís soon but is there any top damage yet? What kind of air does it require?
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  #25  
Old 10-15-2017, 10:59 AM
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The tip seems fine so far, but I've used it very little.

For air, it needs around 70 psi. Not sure about volume though. Probably need a couple of horsepower to be safe.
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  #26  
Old 11-07-2017, 10:01 PM
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Any more updates. I am thinking of ordering one for myself
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  #27  
Old 11-07-2017, 10:28 PM
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Haven't used it much. Nothing to add. Seems pretty good for $250. Lets wait and see what the other guy has to say when he gets his. Bought a set of spare parts for it. Around $20 for 10 each of nozzles, shields, tips etc. Dirt cheap setup.
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  #28  
Old 11-10-2017, 01:21 AM
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Update,

Guess the roll of the dice on a super cheap Ebay deal can bite one in the butt. I've still not received the one I ordered Sept 4th. Opened a case with Ebay and I'm hoping that I get my money refunded.

I found another US seller (supposedly) that's listing for $127 CAD. I just can't bring myself to try again, my confidence in Ebay is down considerably from where it was a few years ago.

I did decide to order off Amazon, $332 CAD shipped by Amazon, not a third party. Should be here next week. I've got a project on the go that requires some economical metal cutting tools, so I'm hoping for the best, and it this one turns out not to work I'll have an easier time returning it.
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  #29  
Old 11-10-2017, 11:02 AM
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Standard rate parcel shipping from China is extremely slow. I've had packages take over 3 months to arrive. That's beyond the claim time for ebay. Unless you pay for Fedex or other high end shipping methods (then its overnight), it can take a really long time for packages to arrive from China. I bought a lot of stuff over the summer from china and some came fairly quickly, like 2-3 weeks, and others took over 3 months. I suspect they shipped it by the lowest end parcel service available to save money. You will get it, but it could take another month.
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  #30  
Old 11-10-2017, 12:27 PM
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Quote:
Originally Posted by Grizzlypeg View Post
Standard rate parcel shipping from China is extremely slow. I've had packages take over 3 months to arrive. That's beyond the claim time for ebay. Unless you pay for Fedex or other high end shipping methods (then its overnight), it can take a really long time for packages to arrive from China. I bought a lot of stuff over the summer from china and some came fairly quickly, like 2-3 weeks, and others took over 3 months. I suspect they shipped it by the lowest end parcel service available to save money. You will get it, but it could take another month.
Most of it ships by boat and often goes the long way around. Then container sit in a customs lot for a long time. The whole contained gets cleared then they start sorting through it. I'm always amazed its as fast as it is.

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  #31  
Old 11-25-2017, 06:16 PM
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Used the plasma cutter a fair bit today. Was cutting 1/4 thick that was made by two layers of 1/8" stacked. It cut well, but I fudged up a tip (not sure what I did to damage it) and it started to shoot the plasma off at an angle, and as a result that part of the cut ended up beveled. I switched to a new nozzle, and all was well thereafter. Pretty handy tool, but I prefer to use a band saw wherever possible as it creates a real mess from the slag all over the floor, and you'd better wear boots because it shoots hot debris in the direction of the cut. On thick stuff, it cuts similar to an oxyacetylene torch, and that isn't quite as nice as a saw cut. But I imagine that's simply a property of any plasma cutter.
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  #32  
Old 12-07-2017, 11:56 PM
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Well, here's an interesting update...

I ordered the first one on Ebay in Sept, never came, and got a refund.

Ordered the second one off Amazon early Nov, it seemed to have gotten lost in the mail, and got a refund.

Ordered a THIRD off Ebay maybe a week ago hoping third times the charm, waiting on that (it's a Canadian shipped item). It was seeming at that point that I just wasn't meant to get a plasma cutter...

Yesterday, the Amazon one showed up. Just gotta get the proper plug end to get it hooked up to my 220v in the garage, and I'll be testing it out.

If the latest one from Ebay comes, I'll have two here for the price of one.

I'll report back after this weekend hopefully with my impressions of these cheap plasma cutters. As I said at the beginning of the thread, I've got plenty of experience with the good name brands at the shop, but no money for one here at home.
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  #33  
Old 12-09-2017, 11:36 AM
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Any updates and what brand did you get from Amazon
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  #34  
Old 12-11-2017, 06:13 PM
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Any updates and what brand did you get from Amazon
I got the "HITBOX" branded one from a company called Unitweld. It's your typical chinese plasma, but seems to be built with a higher level of attention to detail than some of the generic CUT40's and CUT50's.

The one I received had an odd three prong Chinese plug, I switched it to a common 220 welder plug to match my garage outlet.

I also removed the 14g power cable that was maybe 8ft long, and replaced it with a 12/3 SOOW cord that was 25ft long to allow some mobility around my garage.

I tried a few test cuts on 1/8" and 1/4" steel, it cut very easily. I was a bit leary about a plasma cutter that was not pilot arc or blowback like the expensive machines, but it worked very easily and started the plasma with no problem, even on very rusty material.

It'll take a bit more use to determine if it's something that will truly be suitable as a decent home garage quality unit. I'll definitely update here later with my impressions.

Seems pretty decent so far.
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  #35  
Old 12-11-2017, 06:15 PM
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I'm still trying to figure out if dragging the nozzle is bad. So, I don't drag it if I can help it, just in case.
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  #36  
Old 12-12-2017, 12:10 AM
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I'm still trying to figure out if dragging the nozzle is bad. So, I don't drag it if I can help it, just in case.
You've probably got the same type of torch as me, I'll have a look at mine and see if the outer tip is insulated from the torch. If it is, there should be no problem dragging the tip during a cut. Just be sure you don't go too fast and have a blowback where the arc doesn't penetrate the steel and curves back into the tip.

I don't think it'll be a problem, I tried it both ways on my short test run of the machine and the tip didn't "stick" to the workpiece which leads me to believe that it's probably insulated. The consumables I have also have the characteristic drag tip reliefs cut in a + shape on the outer shield.

If anyone has any better input, please share...
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