Foot-Operated Drill Press

[John Hartman]

Bill,

The cylinder attaches to the quill. The spindle has an extensions on it. 
These are available from industrial supply houses and can be fitted to 
drill presses with morris taper spindles.

Bill Ballard wrote:
> At 3:22 PM -0500 3/16/04, John Hartman wrote:
> 
>> This is the one I use. It has a an air cylinder to advance the quill. 
>> You can control the rate of feed with a valve and you simply press the 
>> pedal (out of view on the floor plate) to drill the hole.
> 
> 
> John,
> 
> I've envied your pneumatic drive since the first day I saw it, the best 
> part of which is the steady pressure with which air pushes the bit into 
> the work. Thanks for your picture, it reminded me of an old dream. (I'm 
> going to print it out and take it to my favorite machinist.)
> 
> I just went out to the shop to compare how the quill on my 30-year-old 
> Sears floor model drill press could have an air cylinder attached to it 
> (more specifically, the non-rotating sleeve surrounding the quill). I'm 
> curious. It appear from the picture that this outside sleeve is nearly 
> fully extended (I guess, nearly 4" of it below the cylinder's yoke), 
> whereas the depth stop on the quill would suggest that the quill was at 
> the beginning of the throw.
> 
> The only difficult part in all of this is coming up with the yoke. But I 
> can't imagine that the sleeve would need to be 5" down&out of the head 
> casting, only just enough to allow the yoke to clamp on to it (1", maybe).
> 
> Bill Ballard RPT
> NH Chapter, P.T.G.
> 
> "There are day people and there are night people, and they will 
> unconsciously seek each other out so they can drive each other crazy"
>     ...........AM Radio Psychologist Dr. Joy Browne
> +++++++++++++++++++++
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> 
> 



-- 
John Hartman RPT

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