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CNC Plasma Table Build - Precision, CandCNC etc

kkroger

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Apr 21, 2013
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1,143
4.5" Angle Grinder and 36 Grit Zirconia Flappers (T27s) or a Burnisher... Or a Grizzly Double Drum Sander... then powder coated...
 
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kkroger

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Apr 21, 2013
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Original Client Provided Artwork (Usually they are not this good!)
Bennington%20Rural%20Fire_zpsygxcpa7q.png


Product ready for delivery to the client 48" across
Bennington%20Fire%20District%207_zpstrrriehx.jpg
 
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ovrrdrive

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Sep 13, 2015
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642
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Central Florida
Have you thought about adding a laser to do the text on some parts like that?

Also, do you have a facebook page you update?

It's easy to see why you're doing so well. You guys do amazing work.

Terrain Twister, here's a pic of the back of the gantry. I just put a few self tapping screws into the cable track in the middle and zip tied everything the rest of the way. if you need to see anything closer just let me know.
 

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kkroger

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Apr 21, 2013
Messages
1,143
Have you thought about adding a laser to do the text on some parts like that?

Also, do you have a facebook page you update?

It's easy to see why you're doing so well. You guys do amazing work.

Terrain Twister, here's a pic of the back of the gantry. I just put a few self tapping screws into the cable track in the middle and zip tied everything the rest of the way. if you need to see anything closer just let me know.

Little use for a Laser but sure it has been broached... www.kcmetalworx.com is the webpage... not much on there right now we have stopped producing licensed sports items so we can concentrate on the custom work...
 

Terrain Twister

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Apr 2, 2017
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Thanks for the picture ovrrdrive. I ended up picking up some flat head bolts and drilled and tapped the gantry for them. After that I had some 'zip-tie mounts' laying around that I used to hold down the wiring. They are working OK but I'm going to use a cable clamp at the end where they turn to the lower rack.

I've attached a picture so you can see.
 

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Terrain Twister

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Apr 2, 2017
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Thanks. I made the sides 5" tall to help with the water splashing with advice from kazlx and it helps, but I think I'm going to make some removable side add-ons another 4" taller than that. I love the 99% smoke free cuts and although the splashing isn't bad with the taller sides, I'd like to have none (or as close as I can get).
 
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ovrrdrive

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Sep 13, 2015
Messages
642
Location
Central Florida
I pick up my water tray Monday... I had to do 3" sides on it because with the 5x5 table, and 66x66" tray the widest steel I could source here was 6' wide which works out perfectly. I'll just have to build sides for it. So stoked to finally cut down on the dust level in the garage.
 
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EverydayDiesel

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Jan 14, 2020
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TX
Hello, this thread was started 4 years ago. I am wondering how the precision plasma gantry has held up. Would you do it again? I might be doing this same build.

Thanks in advance for any advice you can provide.
 

kazlx

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Oct 30, 2012
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Location
Tustin, CA
Hello, this thread was started 4 years ago. I am wondering how the precision plasma gantry has held up. Would you do it again? I might be doing this same build.

Thanks in advance for any advice you can provide.

I don't think PP has as many options as they did before. I think they only offer one or two versions and they are pricey, geared towards big builds, at least what I can find on their website.

I was happy with the table I had and would use them again, but no idea if it's a similar setup. I know my setup was about 1/3 of what they charge now. This isn't my thread, but had a PP gantry.
 

kwb

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May 1, 2009
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1,771
Location
PNW
Since there are a lot of Plasma CNC guys on this thread.....

I am a noobie to this but I have a 4x4 table of lackluster quality that was basically free when factoring in the brand new Hypertherm 65 with 2 torches and some other bits and pieces. I don't have THC so it is basically just a dumb table telling the plasma when to fire and when to stop. I went into this as an educational cost, seeing how much benefit it has for me, and at some point will upgrade the table and controls.

Problem I am having is Hypertherm charts are all for machines that can run very high ipm. Mine starts getting flaky at ~75ipm which isn't too bad when running 1/4" (suggested 90ipm). Problem is when I start running down to 10-12ga I need to be doing something a lot different with settings and I am not sure what.

If my reading on this subject is right - I should be turning down the amps as material gets thinner since I cannot increase my IPM. What I can't figure out is how much or even a ballpark of how much.

It would be nice to save time with faster IPM but for my purposes this is still miles ahead of where I was before I got the table even after cleaning up the dross and bit of taper I have occasionally.
 

NWill

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Joined
Oct 4, 2009
Messages
117
Location
Columbus, Ohio
Since there are a lot of Plasma CNC guys on this thread.....

I am a noobie to this but I have a 4x4 table of lackluster quality that was basically free when factoring in the brand new Hypertherm 65 with 2 torches and some other bits and pieces. I don't have THC so it is basically just a dumb table telling the plasma when to fire and when to stop. I went into this as an educational cost, seeing how much benefit it has for me, and at some point will upgrade the table and controls.

Problem I am having is Hypertherm charts are all for machines that can run very high ipm. Mine starts getting flaky at ~75ipm which isn't too bad when running 1/4" (suggested 90ipm). Problem is when I start running down to 10-12ga I need to be doing something a lot different with settings and I am not sure what.

If my reading on this subject is right - I should be turning down the amps as material gets thinner since I cannot increase my IPM. What I can't figure out is how much or even a ballpark of how much.

It would be nice to save time with faster IPM but for my purposes this is still miles ahead of where I was before I got the table even after cleaning up the dross and bit of taper I have occasionally.

Yes, turn down the amps and run fine cut consumables.

Yep. Fine cut consumables also have a "slow speed" cut. I am not on my CNC PC to look but IIRC, 14ga goes from 220ipm down to ~155ipm when switching to slow speed fine cut.

If you can't get to the book specs for 10-12ga, just go as quick as you can and drop the amps ~5 at a time.
 
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