Dennis,
I have not tried the plastic yet but suspect you are right. It might also trap shavings. But I am shooting for a simple solution and lasers may be taking me in the wrong direction.
I wonder if a small pointer that retracts out of the way as the drill feeds down might be made simply....
Rick
On Feb 11, 2013, at 3:04 PM, "dennis.lewis5" <dennis.lewis5@...> wrote:
> I would think the plastic might be distracting since it would be like looking into a mirror. Maybe two line lasers set up to provide a crosshair target?
>
> --- In Homebrew_PCBs@yahoogroups.com, "Rick Sparber" wrote:
>>
>> Dennis,
>>
>> I can do OK with just top light and about 0.01" of clearance between board
>> and drill during positioning. But it would take less concentration if I
>> added a means of locating the touchdown point. Maybe a thin clear plastic
>> plate would do the trick. I would just attach an L shaped piece and then let
>> the drill make the hole so it would be self aligning. Hmmm.
>>
>> Rick
>>
>> -----Original Message-----
>> From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
>> On Behalf Of dennis.lewis5
>> Sent: Saturday, February 09, 2013 2:50 PM
>> To: Homebrew_PCBs@yahoogroups.com
>> Subject: [Homebrew_PCBs] Re: circuit board drilling question
>>
>> Rick,
>> Recently I did this. I cannot tell you that it was a terrific improvement.
>> In my arrangement there are overhead lamps as well as the one below the
>> deck. I am still experimenting but this probably would have worked better if
>> the overhead lamps were dimmed a little more and the copper was not as
>> reflective, maybe cleaning the board before drilling isn't the way to do it.
>>
>> The led I used was not specified, just claimed to be super bright white,
>> 4.5v. I am running it at about 30ma., as much as I dare.
>>
>>
>> --- In Homebrew_PCBs@yahoogroups.com, "Rick Sparber" wrote:
>>>
>>> Has anyone played with putting a high intensity LED pointing up
>>> through the drill press table so it would be easier to see the circuit
>>> board land before drilling?
>>>
>>>
>>>
>>> Rick
>>>
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>
>>
>>
>>
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>>
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>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
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