4 times fine cut were installed crooked? you think once out of four he would have installed them correctly.
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even a clear photo with better lighting
I also fine it interesting that the misalignment would cut inside paths but not outside paths.
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Yeah, I mean this would be a first time for us hearing of getting a faulty electrode from hypertherm.
But also looking at the electrode it’s missing patterns that we normally see. Unless he wiped it off before the photo.
I guess there’s more questions. 4 cuts? 4 installations?
I think you underestimate my ability to mess some s#!+ up…
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and you are hitting 1000 when installing anything but finecuts?
He brings up a good point though. I worship hypertherm enough to not even consider a faulty product, but it’s possible. I just see other evidence to support it being crooked. I’d love to hear what @Kwikfab favorite support tech says. Maybe it’s within spec? Tee hee
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I don’t recall having issues even remotely close to this with normal consumables. I do recall not having success with fine cuts even once.
I don’t recall wiping anything of before I took the pics
You can see it cut them terribly, tons of top dross and you can see the angularity. I would say by the time it got to the outside the nozzle was sufficiently messed up and was deflecting the arc even worse. Also he changed the speed I believe at some point.
And the nozzle probably dragged over the top dross.
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I did mess with the speed. Started at 220, tried as low as 160.
Brought the nozzle and electrode to the office, better lighting
Have we tried a test cut with a brand new electrode and a brand new nozzle. Making certain everything is seated correctly.
It looks like the hafnium is probably gone and it might have been arcing. Catastrophic failure at that point.
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Would like to see a focused pic of the electrode end.
It’s really blurry in the above pic.
My plan is to pick up a couple new sets today, change my 2D profile to only cut the letters that are a part of the original file and change the cut speed to 140 (like brownfox suggested). I will most likely downsize it as well to reduce the amount of wasted steel (just in case history repeats itself)…
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I don’t want to get too many cooks in the kitchen but since you have found what would cause that terrible cut…
- Go back to specs for cutting data with FineCut
- Replace the nozzle and electrode
- Do a small sample cut piece: just a small square with a single letter in the middle of the box.
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I have the same problem with my phone camera. We need to be able to clearly focus on the tip. This is still too blurry:
Notice the base is in focus but not the tip.
PERFECT picture. I think I can see the hafnium appears centered. My money is on crooked installation still. I’d send those to hypertherm though just to see what they say.
For next steps, what @ChelanJim said is perfect.
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