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Re: Levelling before machining - OR not #mill


 

I have a smoothstepper with a probe i/o so I'll try something like that but where is your circuit attached?

On Sunday, January 3, 2021, 05:07:24 PM EST, Art Eckstein <art.eckstein@...> wrote:


My "Probe" for this purpose is my 'engraving' tool.? I chuck it up in the spindle and alligator clip one side of the probe cable to it and the other side to the pcb stock *which is insulated from the frame as it is held in a piece of derlin.
When the 'probe' touches the board, it completes the electrical circuit.

When originally testing this method, I kinda crumpled up a piece of aluminum foil and proceded to probe the surface to see what would happen.? To my surprise, the foil never moved except in one place that it had a spot of epoxy glue on it.

Hope this helps.

Country


At 1/3/2021 04:46 PM, keith3125 via groups.io wrote:

Art, what do you use for a probe?

On Sunday, January 3, 2021, 11:40:52 AM EST, Art Eckstein <art.eckstein@...> wrote:


When you say "because the software and controller don't cater for
that" do you mean you can't do probing or what??

I find leveling software such as <> in
valuable because even though I use a vacuum chuck that has been
milled flat, the cheap boards that I get from the usual suspect are
still quite 'wavy' and again as you say it makes a difference between
success and failure.

Country



At 1/3/2021 11:12 AM, falconeti6969 wrote:
>Hey guys,
>
>So I have basically shyed away from milling boards and just buy perf
>board and this is why;
>I can't do a levelling pass with my machine because the software and
>controller don't cater for that. Its an industrial 1200x1200 machine
>I bought in 2012. I have toyed with moving to mach3 BUT no real
>reason to for any other reason and it just works.
>So I am getting more and more to the point of milling my boards and
>wonder what do you guys, those with my dilemma, what do you do? At
>the margins the boards are machined at .2 deviation can mean the
>difference between success and failure





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