My Torchmate CNC Plasma Table - Page 5 - JeepForum.com

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post #61 of 110 Old 07-17-2011, 08:34 PM Thread Starter
jatepper
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Well, I got my slats all installed and I put in some Sodium Nitrite for corrosion prevention and some Physan 20 to keep the green, slimy stuff away.

Small hurdle I cannot figure out at the moment. My torch shuts off early. A phone call to Torchmate tech support tomorrow will hopefully provide me with some answers, assuming I have the time to call.



BTW, here is my new compressor set-up. Husky 80 gallon dual stage with HR refrigerated air dryer.




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post #62 of 110 Old 07-20-2011, 08:03 PM Thread Starter
jatepper
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Quick status update.... I'm starting to get decent with the TM CAD software. I drew up all sorts of different parts today and was successfully able to apply a cut path to them. I then ran them on the plasma table (plasma turned off) to make sure everything was working smoothly and things are starting to look good.

I just need to get my torch firing issue worked out this Friday and I should be good to go. Can't wait!!!

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post #63 of 110 Old 07-21-2011, 10:12 PM Thread Starter
jatepper
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Pics and video of first cuts!!!

Well, I'm glad to say I finally had my first successful cuts on the plasma table. I started off by doing a line speed test. Since this is all I had and I could not wait to get some cheaper, thinner sheet metal, I decided to do a litle experimenting on the 3/16" sheet. Cutting with a 60 amp tip at 100 psi, I decided to go with the 80 IPM cut as it looked the cleanest.



After getting my settings somewhat figured out, I drew up a 7" plain jane drawing for my wife. Don't quite know what the hell she is going to do with it, but with my CAD experience I could not think of anything more intricate at the moment. Here is the video and final product of the first cut. I have to say the cut quality is quite good for my first attempt.





AND THE VIDEO.....


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post #64 of 110 Old 07-22-2011, 04:21 AM
BESRK
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Really nice! Congrats on the first cuts!!


Might try adding a tenth or two into the driver program delay. It almost looks like your torch is just beginning to move just as it fires..


Wish my first cuts had come out so clean.. My torch dove into the material so hard it was dragging the sheet around the table.

Did you have the ATHC in the "auto" mode?

'80 CJ5 w/AMC360, T176, D44 w/Detroit 4.56, RE 4" YJ lift and 35s..


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post #65 of 110 Old 07-22-2011, 06:58 AM Thread Starter
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Quote:
Originally Posted by BESRK
Really nice! Congrats on the first cuts!!

Might try adding a tenth or two into the driver program delay. It almost looks like your torch is just beginning to move just as it fires..

Wish my first cuts had come out so clean.. My torch dove into the material so hard it was dragging the sheet around the table.

Did you have the ATHC in the "auto" mode?
No, it was on manual. Pierce height was .20 and cut was .18. Yeah, I need to increase the delay. Is that in my avhc or m-code definitions?

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post #66 of 110 Old 07-22-2011, 07:24 AM
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Quote:
Originally Posted by jatepper View Post
No, it was on manual. Pierce height was .20 and cut was .18. Yeah, I need to increase the delay. Is that in my avhc or m-code definitions?

M Code... try bumping it up about .2 and see if that helps.

Ultimately, you'll want to dawn some #5 shades and get down close to the torch to watch it during piercing. Things happen quickly but if you watch it enough, you'll be able to pick up on delays and movements.. and adjust timing.

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post #67 of 110 Old 07-22-2011, 07:32 PM
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Jeremy it might be allot of extra work but can you grind the back off of the center support?

Your first cuts came out nice. Looks like the tip is hitting the material pretty hard in the video, can that be changed? So how much dust are you getting with the water table?

Man I can remember not that long ago when your wife was gonna send a hit man after me for aggin you on to buy tools. Now she's gettin her own name plate cut on a plasma table that you have!! What's next??? Don't answer that... I can tell you...it will never end! You are now an addict.

Looking forward to seeing more work, as I know you are too.
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post #68 of 110 Old 07-22-2011, 09:56 PM Thread Starter
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Jeremy it might be allot of extra work but can you grind the back off of the center support?

Your first cuts came out nice. Looks like the tip is hitting the material pretty hard in the video, can that be changed? So how much dust are you getting with the water table?

Man I can remember not that long ago when your wife was gonna send a hit man after me for aggin you on to buy tools. Now she's gettin her own name plate cut on a plasma table that you have!! What's next??? Don't answer that... I can tell you...it will never end! You are now an addict.

Looking forward to seeing more work, as I know you are too.
Jim! Got your email! I'm gonna reply to you after this!

After actually cutting with the machine, I don't think the center slat support is really a big deal. I thought it was going to be, but it's not. The slats hardly move. Maybe the difference is that I have a steel table. A lot of guys with the aluminum tables complain about the table vibrating/shifting during operation. I don't have this problem, so I'm just going to forget about the center slat.

The torch dives down in to the metal as it should. The torch height control unit senses a "torque" once it hits the metal and then it rebounds up to the pierce height. After the pierce, it moves to cut height. There is no way to really slow it down that I know of. I know you can decrease the torque setting, but a lot of times that will give you false positives if there is something causing resistance and the torch will rebound early (before hitting the material) and it will fire too far up from the material. Make sense?

I guess you can say my tool collection has come a long way in a short time. Always a good thing.

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post #69 of 110 Old 07-23-2011, 05:35 AM
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Now you will have to send to BERSK to get it powder coated.

A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
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im just cheap, and cheap makes you creative.
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post #70 of 110 Old 07-23-2011, 10:33 AM
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Jim! Got your email! I'm gonna reply to you after this!

After actually cutting with the machine, I don't think the center slat support is really a big deal. I thought it was going to be, but it's not. The slats hardly move. Maybe the difference is that I have a steel table. A lot of guys with the aluminum tables complain about the table vibrating/shifting during operation. I don't have this problem, so I'm just going to forget about the center slat.

The torch dives down in to the metal as it should. The torch height control unit senses a "torque" once it hits the metal and then it rebounds up to the pierce height. After the pierce, it moves to cut height. There is no way to really slow it down that I know of. I know you can decrease the torque setting, but a lot of times that will give you false positives if there is something causing resistance and the torch will rebound early (before hitting the material) and it will fire too far up from the material. Make sense?

I guess you can say my tool collection has come a long way in a short time. Always a good thing.
Makes sense on the torch and torque. Plasma cutting is newer to me than it is to you so I'm just watching and observing.

You mention the steel verses aluminum table support. That is why so many machines are made so heavy. You gain allot of rigidity with heavier material.

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Now you will have to send to BERSK to get it powder coated.
Maybe for a while but I bet he's watching Eddie build his and already had thoughts of building one himself. I see a powder coat operation coming to his place soon enough.
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post #71 of 110 Old 07-23-2011, 11:47 AM Thread Starter
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Quote:
Originally Posted by Jim1611

Makes sense on the torch and torque. Plasma cutting is newer to me than it is to you so I'm just watching and observing.

You mention the steel verses aluminum table support. That is why so many machines are made so heavy. You gain allot of rigidity with heavier material.

Maybe for a while but I bet he's watching Eddie build his and already had thoughts of building one himself. I see a powder coat operation coming to his place soon enough.
I have though about a powder coating system. You know me too well. But, at the moment I definitely can't do it. One, I just don't have the room. Two, I'm paying really good prices for my powder and there is nothing for me to worry about. Drop it off and pick it up. The only thing I don't like is the lead time. It usually takes 5-8 days to get my stuff back from the powder coater. I get good pricing, but I have to wait for them to run my stuff with other jobs. This is the only thing I don't like. I wish I had more control, which is why I have thought about getting one.

Maybe if/when I rent out a shop I will make an oven.

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post #72 of 110 Old 08-13-2011, 09:31 PM Thread Starter
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Time for a bump....

few months back I bought the OR Fab CJ sport cage kit. It came with special brackets that bolt to your dash, and then the forward bars from the main hoop tie in to these on the top platform of the bracket. Pretty clever design. Unfortunately, the kit is somewhere around $350 and the tubes are not mandrel bent.

So, I decided to have at it with my Torchmate CNC plasma table. I took some measurements and made my own sport cage tie-ins. These brackets utilize all the factory holes. The passenger side is cut allow clearance for the glove box and the gusset is slotted so the passenger grab handle can still go on as it should.

I designed these to be basically "dummy proof". I programmed the "T" cut out on the back piece so there is no fooling around with alignment once they get welded up. Simply place the gusset and the top platform in the grooves and weld them up (of course you have to make sure they are perpendicular to the back piece). Basically, a no-brainer install.

I'm getting ready to mass produce these and I will throw them on my EBay site tonight. Let me know what you all think. Keep in mind this set-up is not considered a "roll cage". They may provide a little bit of protection, but they are not designed for a vehicle roll like a real roll bar is.

Here are pics of my pricey OR Fab roll cage brackets. Dimensionally, these are very similar, but not the same. I slotted the bolt holes to allow a tolerence when installing and my gussets are a little longer for a bit more support.

THESE ARE THE ORF BRACKETS SO YOU CAN GET AN IDEA OF HOW THESE INSTALL. I DID NOT FABRICATE THESE....








AND HERE ARE THE ONES I MADE TODAY.....










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post #73 of 110 Old 08-13-2011, 09:54 PM
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Please post a link to your ebay site ASAP ! Can't seem to find it on my own. Hope you made plenty !
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post #74 of 110 Old 08-13-2011, 10:06 PM Thread Starter
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Please post a link to your ebay site ASAP ! Can't seem to find it on my own. Hope you made plenty !
Updated my signature

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post #75 of 110 Old 08-15-2011, 09:09 PM Thread Starter
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A little lengthy, but I thought I would share video of the plasma table cutting out the above dash tie-in brackets


http://youtu.be/4yYyZZ02WxQ

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