Take a 1/4" thick piece of hard felt.

Apply the same through-hole and domed countersink as the wood.

Keep it wet by capillary action with your thin adhesive of choice. If the
adhesive is too thick to wet through the back side, apply a dose to the
felt in between marbles with a dipped ball mounted in a transfer device.
Replace the felt when necessary.

Pick a ball. Place on the felt without releasing the ball. Use a tested
amount of overtravel in Z if necessary for proper coverage.

Retract and place in final position on wood.

Have I pictured what you are doing correctly?
On Oct 9, 2012 5:16 AM, "craig" <cr...@facework.com> wrote:

> I have a CNC related problem.
>
> I am making small decorative personal gifts using thin wood (5-6mm - 1/4
> inch thick) and 6mm diameter colored glass balls (small marbles).
>
> A pattern of shaped holes is cut in the wood with a small cnc router
> using 2 tools.  A 1/4 ball nose mill cuts to approximately 4mm depth.  A
> 3/16 tool then cuts the rest of the way through he wood. additional
> surface patterns may also be cut.
>
> The balls are then glued into the holes with a clear adhesive (
> currently a thinned clear caulking compound).
>
> The resulting items are interesting viewed directly or back-lit.
>
>
> The problem:
>
> The marbles are currently glued in by hand.
>   Painting the glue into the holes, placing the ball and pressing it
> down gets tedious.
>
> I would like to automate this process by replacing the spindle with
> other equipment.
>
> I can automate the pick and placement of the balls.  ( spheres may be
> the easiest item to pick and place)
>
> But I have not found a good way to automate the gluing process
> inexpensively.
>
> suggestions? Thoughts?
>
>
> Any help would be appreciated.
>
> Craig
>
>
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