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Home made "manual" CNC plasma/oxy cutter
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July 20, 2013
11:46 PM
Mtw fdu
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Some more progress done.

 

First pic is the plasma clamped to the frame with "U" clamps.

 

DSCF0426.JPGImage Enlarger

 

Next, a close-up of the screw thread for height adjustment (which still has to be done).

 

DSCF0427.JPGImage Enlarger

 

Next, a close-up of the remote switch to keep the plasma running.  Just to screw the bolt down onto the button which also enables me to use both hands for tracing around patterns etc.  As the height is adjusted for the torch, I can adjust the remote switch with it.

 

DSCF0428.JPGImage Enlarger

 

And last pic, the setup for the counter weight at the back.  Am able to put more on if required.

 

DSCF0429.JPGImage Enlarger

 

All I have to do now is finish off the height adjustment thread and do some practice runs for speeds and amperage settings for each thickness of plate used.  Plus I will try and upload a short video of it running.

 

Mtw fdu.

 

 

 

 

 

 

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July 22, 2013
9:04 PM
Mtw fdu
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Done some more work to my cutter table.  Here is a pic of the letter "M" which has been cut.

 

DSCF0430-1.JPGImage Enlarger

 

And here is a video of me cutting it.

 

 

I still have to also set up an oxy cutter for the table as well.  I will upload that and post pics when I have done it.

 

Mtw fdu.

 

 

 

 

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July 27, 2013
1:56 PM
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Tyler
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Wow! It appears to work great! What's your first project going to be?

NOTE: I'm a single dad working two full-time jobs as a web developer and college instructor.  So if it takes me a few days to respond please don't take it personally. If it's urgent please send me a Private Message.

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July 27, 2013
3:41 PM
Mtw fdu
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No "project" as such but I will be cutting some parts for 2 jobs I have to do.  The first is some bracing plates for a forklift extensions and some mounting plates for a rear bumper bar.

 

Thank you for your comments Tyler.

 

Mtw fdu.

 

 

August 1, 2013
2:40 AM
Mtw fdu
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Started to add oxy to my profile cutter.  The first pic is of the oxy cutter attached to the frame.

 

DSCF0432.JPGImage Enlarger

 

The next pic is the back of it showing how it is attached for raising and lowering for different plate thickness.

 

DSCF0433.JPGImage Enlarger

 

Next is the whole thing connected to my oxy/accet bottles.

 

DSCF0434.JPGImage Enlarger

 

And lastly, a close up shot of the oxy cutter connection.  What I am going to use for the remote switch is a "U" clamp with 4 nuts attached holding the clamp plate.  All I have to do is lower it to hold the lever in place while I am cutting, then when I am finished just lift it off.

 

DSCF0435.JPGImage Enlarger

 

I will post another pic of that tomorrow.

 

Mtw fdu.

 

 

 

 

 

 

 

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August 1, 2013
7:46 PM
Mtw fdu
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Back again and here is a pic of the "U" clamp holding the oxy lever down for cutting.

 

DSCF0436.JPGImage Enlarger

 

Then just slide it off when finished.

 

DSCF0437.JPGImage Enlarger

 

Next is to mount this motor for the magnetic tracer.  I will use the same setup using a small square tube with a bigger 1 over the top and a bolt with lever to adjust height as I have done with the plasma and oxy mounts.

 

DSCF0438.JPGImage Enlarger

 

More pics to come soon...just about finished whole profile cutter project.

 

Mtw fdu.

 

 

 

 

 

 

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August 2, 2013
6:30 PM
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Tyler
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It looks like you've designed the thing so that changing cutters is easy - great idea! What a cool project.

NOTE: I'm a single dad working two full-time jobs as a web developer and college instructor.  So if it takes me a few days to respond please don't take it personally. If it's urgent please send me a Private Message.

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August 2, 2013
10:31 PM
Mtw fdu
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Thank you Tyler for your comments.  I have done so it is easy and quick to change between plasma and oxy cutting...just a couple of minutes.  I have been very happy with the result so far and its not long now before it is finished.  The tracer "magnets" will be here in the next 7 days so I can finish off the tracer part.  Then it will be all automatic cutting.

More pics to come as soon as I can.

 

Mtw fdu.

 

 

August 3, 2013
1:15 PM
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Tyler
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I must confess, I haven't quite figured out how the tracer magnets are going to work. Another video when you get them fitted would be excellent!

Any thoughts on drawing up your project?

NOTE: I'm a single dad working two full-time jobs as a web developer and college instructor.  So if it takes me a few days to respond please don't take it personally. If it's urgent please send me a Private Message.

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August 3, 2013
4:03 PM
Mtw fdu
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If you can imagine this...a small magnet(s) which is inside a small shaft (1/4 inch thick) on the outside of that shaft it is knurled.  The shaft is connected to a motor which turns  at a rate set by the operator or a slow paced motor (7.5rpm).  The tracer in turns moves around a metal template of the desired shape to be cut.  Please refer to the diagram below.

 

DSCF0431.JPGImage Enlarger

 

Here is a video which shows how it works...not my video.

 

 

Hope this helps.

 

Mtw fdu.

 

 

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