Homebrew PCBs

Can you provide a picture of your stand?

Jeff

On 7/18/2011 12:13 PM, Stefan Trethan wrote:
>
> The 12V Proxxon will be fine to drill PCBs, but it will begin to
> struggle for holes above 3mm diameter.
> If you drill many very large holes the IB/E is a better choice, it is
> mains powered, but also more expensive.
>
> I initially bought the IB/E for PCB work, but soon got tired of taking
> it out of the stand to use for other tasks and got a cheap 12V
> micromot to leave in the stand and drill PCBs with.
>
> Generally Proxxon makes quiet tools with precise ground steel collets,
> while dremel makes less precise, louder but more powerful tools.
> For PCB drilling Proxxon is the better choice.
>
> I don't have the stand, I made my own.
>
> ST
>
> On Mon, Jul 18, 2011 at 9:31 AM, Kamal Shankar 
> <kbshankar2000@... <mailto:kbshankar2000%40yahoo.com>> wrote:
> > How important is the RPM of the drill we use on a PCB?
> >
> >
> >
> > What would the difference be between a 1750 RPM vs a 10k RPM drill 
> regarding drilling on a PCB? (I always thought higher RPM -> lower 
> torque to drill a hole, but I read higher RPM is better?)
> >
> > There is a dremel I have been using for sometime using HSS bits that 
> I have used on my FR2 boards.
> >
> > Now that I am going to migrate to a thinner FR-4 substrate, I am 
> looking forward to buying a good minidrill that also has a stand 
> (since I will be using carbide bits)
> >
> > Does anyone have feedback on these:
> >
> > $44 Proxxon 28512 12-Volt Micromot 50 EF Rotary Tool
> >
> > 
> http://www.amazon.com/Proxxon-28512-12-Volt-Micromot-Rotary/dp/B000S5KO3K/ref=acc_glance_hi_ai_ps_t_5
> >
> >
> > $59 Proxxon 28606 MICROMOT Drill Stand MB 140/ S
> >
> > 
> http://www.amazon.com/Proxxon-28606-MICROMOT-Drill-Stand/dp/B000209ZAE/ref=pd_cp_hi_4
> >
> >
> > They don't seem to make these in the US (they supposedly make them 
> under a different name "Micro-Mark", but I am not sure if they are the 
> same quality)
> >
> > The price looks like $120 incl. shipping which is a good price for a 
> brand new precision "drill press" don't you think?
> >
> > If you have any better tools to suggest, I would be glad to know 
> about them!
> >
> >
> >
> > ------------------------------------
> >
> > Be sure to visit the group home and check for new Links, Files, and 
> Photos:
> > http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
> >
> >
> >
> >
>
> 


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