Homebrew PCBs

Hey, KISS! Thanks for the Proxxon catalog. They've got some nice-looking
stuff. Do you own any of their tools? If you do, other than the runout
issue, what do you think of them?

73,

Todd
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K7TFC / Medford, Oregon, USA / CN82ni / UTC-8
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QRP (CW & SSB) / EmComm / SOTA / Homebrew / Design


On Mon, Mar 11, 2013 at 11:44 PM, KeepIt SimpleStupid <
keepitsimplestupid@...> wrote:

> **
>
>
> Proxxon's rotary tool has 0.001 runout:
> http://www.proxxontools.com/store/pc/catalog/manuals/proxxon_catalog_micromot_us.pdf
>
> --- On Mon, 3/11/13, Jeff Heiss <jeff.heiss@...> wrote:
>
> From: Jeff Heiss <jeff.heiss@...>
> Subject: [Homebrew_PCBs] drill for micro drill bits
> To: Homebrew_PCBs@yahoogroups.com
> Date: Monday, March 11, 2013, 11:36 PM
>
>
>
>
> I am drilling holes with #96 (0.006 inch) drill bits. However, not one hole
>
> has been drilled because the bits are so small compared to the runout of
> the
>
> tool, they break in half when they touch the workpiece before any drilling
>
> begins. Copper clad is my workpiece.
>
> I tried a Dremel, Dremel flex handpiece, and Marathon 35k RPM micromotor.
>
> All three have too much runout and the bit breaks in half. Has anyone
>
> successfully drilled holes this small before? Are there any suggestions for
>
> a drill or rotary tool that has low runout?
>
> Jeff
>
> [Non-text portions of this message have been removed]
>
> [Non-text portions of this message have been removed]
>
>  
>


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