I dont have any specific feedback about those items except that I've heard good things about Proxxon in general.
Also, for carbide you want something with minimal runout and high RPMs. Faster the better.
-Pete
On Jul 18, 2011, at 12:31 AM, Kamal Shankar wrote:
> How important is the RPM of the drill we use on a PCB?
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>
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> 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?)
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> There is a dremel I have been using for sometime using HSS bits that I have used on my FR2 boards.
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> 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)
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> Does anyone have feedback on these:
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> $44 Proxxon 28512 12-Volt Micromot 50 EF Rotary Tool
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> http://www.amazon.com/Proxxon-28512-12-Volt-Micromot-Rotary/dp/B000S5KO3K/ref=acc_glance_hi_ai_ps_t_5
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>
> $59 Proxxon 28606 MICROMOT Drill Stand MB 140/ S
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> http://www.amazon.com/Proxxon-28606-MICROMOT-Drill-Stand/dp/B000209ZAE/ref=pd_cp_hi_4
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> 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)
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> The price looks like $120 incl. shipping which is a good price for a brand new precision "drill press" don't you think?
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> If you have any better tools to suggest, I would be glad to know about them!
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