CNC engraving |
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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Posted: 22 June 2016 at 5:39am |
broncomike
RCRC Club Visitor Joined: 10 February 2008 Location: Blountsville, AL. Status: Offline Points: 561 |
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How long is your lathe ?
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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It's 74" from the register in the chuck to the end of the bed. A longer piece can pass through the center hole the spindle. It will swing a full width ford 9" housing.
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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How accurate does it cut?
For example, you had a .dwg file showing a 18" x 18" x 1/8" aluminum plate with twelve 1/2" x 1" rectangular holes, what would be the variance on the hole dimensions? +/- 1/32"? +/- 1/64"? |
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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It varies a bit depending in the material. When I have measured with calipers in 1/8" steel the variance between holes is usually less than 0.010". As far as overall tolerance 0.030" isn't usually hard to achieve. Some of it depends on the part shapes. I have to have a dxf file to use for cutting. The engraving is much tighter. The machine itself is repeatable to 0.001" but your cutting with a plasma flame.
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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OK, I use Delta Cad and it will save to .DWG, .DXF, and .DXB files.
I need to make a switch panel for our cabin. I temporarily have all our light switches mounted on an 18" x 18" piece of 3/32" luan. I'm using standard spst wall switches. I think there is about 10 switches and a couple of plugs on it. Each switch hole has two mounting screw holes (about 3/32" dia). I would like to replace that temporary luan with a permanent piece of 1/8" aluminum. |
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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For the switch panel, would you want engraved labels? If you do, when you draw it up please put them on a separate layer. If you aren't able to, I can do it for you. It's just faster and easier to do it as the drawing is being created.
I stock 1/8" aluminum sheet. An 18" x 18" piece is about $18 with tax. Trying to cut a 3/32" hole in aluminum with the plasma isn't going to work out very well. The kerf width cutting that material is about 0.060". A good solution is to let the scribe center punch the layout then drill them. I did this with a plate the other day that had 89 holes. It worked out great. I also stock 0.063", 0.090", and 3/16" Aluminum if you decide you want a different thickness. |
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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No labels, I can't think that far ahead That scribe thing should work fine. I will get back with you when I figure out exactly what I need.
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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How thick can your set up cut (mild steel)? 3/4"?
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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Our machine is rated to cut 1.5" mild steel. The thickest I have cut with it is 1".
Edited by 83K10 - 19 July 2016 at 4:48pm |
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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Thanks. I may need two custom d-ring bumper tabs for a jk poison syder bumper that can be used for flat towing.
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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That is thick!
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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98TJ
RCRC Club Member RCRC Club Treasurer Joined: 10 May 2005 Location: Maysville, Madison County Status: Offline Points: 8368 |
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1998 TJ 4.0 5spd Atlas 36" Swampers RE4.5 ARB's 44/44
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83K10
RCRC Club & Business Member Joined: 17 February 2004 Location: Huntsville, AL Status: Offline Points: 3173 |
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We have a buildpro at the shop. It's awesome for jigging up stuff. It takes drop in tooling so there's no threading or bolting stuff from the bottom of the table. We made 40 of these sides for benches this week on it, for a total of 20 complete benches. I got busy trying to get them finished and forgot to take any more pictures. They are going in the Earth and Stone Pizza place on Clinton Ave.
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