CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine

on 2003-08-06 22:00:58 UTC
Hi Jon, List,

A neat idea, but I'm wondering about the "carbon tracks" which usually
accompany arcs on PCBs. This could render a board useless.

Might be a little to keep the board "grounded" as traces are isolated.

Anyone ready to try it? I'd like to hear the results!

Alan KM6VV


Jon Elson wrote:
>
> Richard wrote:
>
> >Yes Jon, from the center out is correct. My dielectric fluid is tap
> >water plus a bit of permanent antifreeze for a wetting agent. I apply
> >the fluid from a 3 gallon plastic bucket through a needle valve and a
> >hose to drip on the electrode business end just to flush the "dust"
> >away. All I did was make a dummy do nothing bunch of islands in a
> >crude fashion by manually moving the board back and forth and
> >operating the up - down stepper with switches to try out the idea. I
> >found no shorts between islands which is what I wanted to test.
> >
> >
> This is really quite neat! The problem with mechanical PCB milling is
> that it makes a lot of dust and noise, and eats up VERY expensive carbide
> micro-milling bits.
>
> Did you use .5 mm mechanical pencil leads?
>
> I will have to try this sometime!
>
> Jon
>

Discussion Thread

Sammy 2003-08-05 22:18:26 UTC Help?? CNC PCB Drilling Machine turbulatordude 2003-08-05 22:39:52 UTC Re: Help?? CNC PCB Drilling Machine Harvey White 2003-08-05 22:40:33 UTC Re: [CAD_CAM_EDM_DRO] Help?? CNC PCB Drilling Machine Zafar Salam 2003-08-06 00:33:40 UTC Re: [CAD_CAM_EDM_DRO] Help?? CNC PCB Drilling Machine Graham Stabler 2003-08-06 02:00:38 UTC Re: Help?? CNC PCB Drilling Machine Richard 2003-08-06 07:15:47 UTC Re: Help?? CNC PCB Drilling Machine turbulatordude 2003-08-06 07:16:23 UTC Re: Help?? CNC PCB Drilling Machine Antonius J.M. Groothuizen 2003-08-06 07:40:19 UTC Re: Help?? CNC PCB Drilling Machine Markus Zingg 2003-08-06 07:41:06 UTC Re: [CAD_CAM_EDM_DRO] Help?? CNC PCB Drilling Machine Jon Elson 2003-08-06 09:44:02 UTC Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine Richard 2003-08-06 10:48:54 UTC Re: Help?? CNC PCB Drilling Machine JanRwl@A... 2003-08-06 11:04:50 UTC Re: [CAD_CAM_EDM_DRO] Help?? CNC PCB Drilling Machine turbulatordude 2003-08-06 18:30:27 UTC Re: Help?? CNC PCB Drilling Machine - stepper drivers turbulatordude 2003-08-06 18:44:28 UTC Re: Help?? CNC PCB Drilling Machine grantfair2001 2003-08-06 19:26:03 UTC Re: Help?? CNC PCB Drilling Machine turbulatordude 2003-08-06 19:55:50 UTC Re: Help?? CNC PCB Drilling Machine grantfair2001 2003-08-06 20:32:15 UTC Re: Help?? CNC PCB Drilling Machine Jon Elson 2003-08-06 21:27:03 UTC Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine Alan Marconett KM6VV 2003-08-06 22:00:58 UTC Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine turbulatordude 2003-08-06 22:23:14 UTC Re: Help?? CNC PCB Drilling Machine Harvey White 2003-08-06 22:29:22 UTC Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine Richard 2003-08-07 04:21:01 UTC Re: Help?? CNC PCB Drilling Machine turbulatordude 2003-08-07 05:33:24 UTC Re: Help?? CNC PCB Drilling Machine - EDM a PCB mayfieldtm 2003-08-07 10:20:47 UTC Re: Help?? CNC PCB Drilling Machine - EDM a PCB Jon Elson 2003-08-07 10:21:22 UTC Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine Alan Marconett KM6VV 2003-08-07 10:43:13 UTC Re: [CAD_CAM_EDM_DRO] Re: Help?? CNC PCB Drilling Machine