Homebrew PCBs

Hello Todd

Here I have quite a number of them since many years. No comparison with 
Dremel and other OEM Chinese drilling tools which are built for 
marketing/product managers. Proxxon originated from East Germany (GDA) 
and now Germany.

Vy 73 de Jean-Claude, HB3YDH


Am 12.03.2013 08:54, schrieb Todd F. Carney / K7TFC:
> 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
> ------------------------------------------------------------------------------------
> K7TFC / Medford, Oregon, USA / CN82ni / UTC-8
> ------------------------------------------------------------------------------------
> 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]
>>
>>   
>>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>