The issue with exuded is it wants to cut properly at a different speed along the extrusion axis, than the other.
Whatever speed you pick won't work well to cut a circle!
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But when I'm cutting free hand, none of this is an issue because the plasma torch auto adjusts the current. It has to, there's just no way a person could make a half decent cut otherwise. I figure that will make the system more effective than a 'dumb' CNC system will be. When hand cutting, you just ...
But a structural part that's out by .5mm due to the giant nozzle will need extra finishing, & you might as well have run it with a smaller nozzle and done something else for the extra hour.
- Sat Jul 26, 2014 1:02 pm
- Forum: Tooling & Fixtures
- Topic: Need advice on end mill
- Replies: 9
- Views: 1767
I'd recommend just buying a set of dedicated drillbits for wood. However you could use a very short centering drill bit. Have the mill do a little dot in the right place, then use a drillbit to go through. If you want minimum deflection use a stubby drill bit first then a longer one. I'm not sure if...
- Sun Jul 06, 2014 11:29 pm
- Forum: PCB Fabrication
- Topic: For Anyone wondering if a stock SO2 can mill a PCB
- Replies: 1
- Views: 1538
The major steps seem to be: get the torch to touch off, move afraction away, fire it up, then move it away a few mm. Then start cutting your part. All modern plasma systems use feedback to control the current so that the distance isn't that critical once the arc has struck. I'm planning to do a CNC ...