How did you make the holes in the artwork?
--- In Homebrew_PCBs@yahoogroups.com, Sam Rod <mail4sam@...> wrote:
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> On some of my projects I place a 1/16 to 1/18 holes in/on my artwork.
> thats what I use to line up to the holes.
> Sometimes I use the mounting holes too. doesnt matter what hole you use as long as you know which ones they are
> Minimum of 2 spaced as far apart as possible for best accuracy.
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> On Jul 31, 2013, at 5:41 PM, "crazy_geekchick" <amiegrl2001@...> wrote:
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> > Drilling holes is a fine idea, but how does that put holes in the artwork to line it all up? That is the part I am worried about.
> >
> > Putting pins through the artwork allows them to be lined up precisely front to back. Putting it through the board may standardize that across boards, but it the hole in the board alone wouldn't seem to line up the artwork to me?
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> > Am I missing something?
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> > The reason I was concerned about accurate registration hole size (in the artwork) was to avoid any misalignment there too, especially for anything with a fine pitch.
> >
> > --- In Homebrew_PCBs@yahoogroups.com, Sam Rod <mail4sam@> wrote:
> > >
> > > Although the punch would / will work why make it more complicated?
> > > Seems to me their are many ways to accomplish this an most go with what works for them.
> > > One suggestion would be to add 2 additional holes to your board (or use 2 existing ones)
> > > drill them first....(these are the registration holes) I lean towards having them some know distance apart and location.
> > > ie .25 from the bottom edge and 1.0" inch apart and offset from one of the edges.. this what when I flip the board I already know
> > > what side I using even before any transfer has occurred.
> > >
> > > use the hole to line up your stencil/template/transfer etc....
> > > do the photo/etch one at a time or both side at once. what ever works for you.
> > > I do mine both side at one time. once completed I then commence drilling the balance of the holes.
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> > > S
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> > > On Jul 30, 2013, at 7:52 PM, "crazy_geekchick" <amiegrl2001@> wrote:
> > >
> > > > The replacement of the lens with the punch is a good idea.
> > > >
> > > > I was worried about precision between the hole and the registration pin.
> > > >
> > > > Do you have any idea where to get the hole puncher and a matching hole to punch into?
> > > >
> > > > Most of the stuff I have found was like metal punches.
> > > >
> > > > --- In Homebrew_PCBs@yahoogroups.com, "cunningfellow" <andrewm1973@> wrote:
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> > > > > > crazy_geekchick wrote:
> > > > > >
> > > > > > I was wanting to make sure that everything
> > > > > > lined up on both sides of a board -- easily.
> > > > > > I thought a solution would be to make a
> > > > > > registration hole punch. I know the pro ones
> > > > > > have cameras looking down the bore of the
> > > > > > hole punch, but I wasn't exactly sure where
> > > > > > to begin making a diy version of that.
> > > > > >
> > > > > > I was thinking a solenoid with some sort of
> > > > > > hole puncher, but I wouldn't know where to
> > > > > > get precise equipment for the puncher itself.
> > > > > >
> > > > > > Any ideas?
> > > > >
> > > > > One I have seen actually had a loupe/lens with
> > > > > a sight on it that looked down the bore.
> > > > >
> > > > > When you lined it up, you pulled out the lens
> > > > > and replaced it with a metal punch part.
> > > > >
> > > > > Doesn't look like too hard an idea to make.
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