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New plasma table build

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schmaus
Posts: 22
Joined: Sat Feb 12, 2011 1:35 pm

New plasma table build

Postby schmaus » Tue Jul 03, 2018 5:49 pm

Plasma gantry
plasma gantry.jpg
controller
completed controller .jpg
THC board and voltage divider
voltage divider and THC board.jpg
First off I have to give a big THANK YOU to AdrianH on this board for all the help with figuring out the homemade THC. It works very well as a simple THC.

I finally got to a point that I start a thread about my new table. I have been running my electronics on a borrowed table for about 6 months. so I have all the bugs worked out for that part. I just finished the gantry and am ready to start the table fabrication.

The specs.
4' x 4' with enough over travel to cut a full 48" and add plate marker later
currently running UCCNC and UC100 ( would like to try Linuxcnc after table is complete)
Gecko G540
381oz steppers
3 to 1 gear reduction
shs 15 rails for X and Z axis
SBI 20 rails for dual drive Y axis
20 pitch rack and 1" diametrical pitch pinion
gantry is 62# without wiring and torch ( a little heavier then I wanted. was shooting for 50#)

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schmaus
Posts: 22
Joined: Sat Feb 12, 2011 1:35 pm

Re: New plasma table build

Postby schmaus » Tue Jul 03, 2018 6:00 pm

Also I am running a Hypertherm 1000
Still trying to decide on a water table or down draft. I had a down draft on my Torchmate 2x2 table and really liked it. I had it set up with an M code to turn it on at start of cut and off at end of the program. But I used a Harbor freight dust collector blower and I don't think that will cut it for a 4x4 table. the table I am using now has a water table and I hate the mess and constant evaporation. If I do a water table it will have to have an auto fill of some sort. I think I can easily come up with a way to control it with an M code.

gamble
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Posts: 937
Joined: Thu Jan 02, 2014 6:33 pm

Re: New plasma table build

Postby gamble » Wed Jul 04, 2018 2:50 pm

Looks great. Where did you get the motor brackets?
I want to build my own but not a clue where to start
Torchmate 2x2 - Flashcut
Powermax 45 - Machine torch
Taig CNC Mill - Flashcut
Razorweld Distributor

schmaus
Posts: 22
Joined: Sat Feb 12, 2011 1:35 pm

Re: New plasma table build

Postby schmaus » Wed Jul 04, 2018 5:13 pm

I machined all the parts myself. I can give you all the drawing files I have drawn. I plan on sharing all the drawing anyway. I just wanted to clean them up alittle first as I only drew what I needed to machine them. the gear reduction units are from cncrouterparts.com. I drew the motor mounts from there basic design. you could just buy theirs.

schmaus
Posts: 22
Joined: Sat Feb 12, 2011 1:35 pm

Re: New plasma table build

Postby schmaus » Tue Aug 28, 2018 7:48 am

I finally was able to make a little head way on my table. I just need to mount the cable track and start wiring it so I can cut the slat holders with it. The slide cylinder on the left of the torch mount is for a plate marker I will be adding. The little 1/8" rod sticking up out of the torch mount is where the floating head switch is going to mount.

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acourtjester
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Joined: Sat Jun 02, 2012 6:04 pm
Location: Pensacola, Fla

Re: New plasma table build

Postby acourtjester » Tue Aug 28, 2018 8:34 am

Keep on truckin you have a good start, don't forget to make a pen holder for your beginning test motions and calibrations checks.
https://www.youtube.com/watch?v=Tet2rRsqBts just be sure to use a ball point pen for finer detail. :lol:
viewtopic.php?f=73&t=21247&p=126013&hilit=pen+holder#p126013
DIY 4X4 Plasma/Router Table
CandCNC DTHC-IV & Feather Touch
Hypertherm PM65 Machine Torch
Drag Knife and Scribe
Miller Mig welder
13" metal lathe
Small Mill
Everlast PM 256 tig

Old Iron
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Posts: 429
Joined: Wed Nov 26, 2014 5:12 pm

Re: New plasma table build

Postby Old Iron » Tue Aug 28, 2018 9:19 am

Great looking gantry!!!!!!!!!!!!!!!!!!!!!


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