[sdiy] Dremel drill press

[johnspeth at yahoo.com]

I think a dremel drill press might be a little lightweight for drilling panels, plastic and especially metal.  One day you'll want to drill metal and you'll probably regret having a dremel drill press.
As for drilling plexiglass holes, be careful not to make those pesky spider cracks that are hard to avoid.  I think there are good techniques and/or bits for that purpose that will avoid giving you the spider cracks.  That's all I know on that subject.
JJS



----- Original Message ----
From: Dump Static <xpandrew at ph.k12.in.us>
To: KingRavine at comcast.net; Synth-diy at dropmix.xs4all.nl
Sent: Tuesday, August 19, 2008 9:20:28 AM
Subject: Re: [sdiy] Dremel drill press

My plan was for drilling holes (for jacks, pots, etc) in plastic panels.

I would use something sharp to poke a little starter mark in the plastic so the bit shouldn't walk.

Any other tips on drilling lexan/plexiglass?

Drew

>>> "Dave Magnuson" <KingRavine at comcast.net> 08/19/08 10:57 AM >>>
I agree entirely with what John says below.  I also had a different model, 
and had the same problem with bit deflection.

The Z-axis of mine was off a little.  Shimming helped (some).  Such narrow 
drill bits bend and walk if they're not perfectly 90 degrees to the table.

Dave

----- Original Message ----- 
From: <johnspeth at yahoo.com>
To: <Synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, August 19, 2008 11:16 AM
Subject: Re: [sdiy] Dremel drill press


> About 10 years ago I bought a Dremel brand drill press. It doesn't look 
> like the one you are pointing to. It basically works but the precision was 
> a big disappointment for me. I bought it to drill PCB holes.
> I think the problem with mine is that the bearings that guide the toothed 
> shaft to which the drill is fastened are of poor quality (assuming there 
> even are bearings in mine). What I experienced is the bit point will shift 
> position as pressure is applied at the time when the bit point starts to 
> press into the board. I used strong rubber bands on the shaft to apply 
> one-way pressure to the shaft in the bearing sleeve. It helped enough to 
> make it barely usable for 0.1 inch work but the not enough to make me want 
> to use it a lot. The press is probably sufficient for craft use (like 
> model trains and planes) but not for precision engineering work.
> If that's your intended purpose for this press, I suggest you evaluate one 
> first and check that it has the precision you're looking for.
> JJS
>
>
> ----- Original Message ----
> From: Dump Static <xpandrew at ph.k12.in.us>
> To: Synth-diy at dropmix.xs4all.nl
> Sent: Tuesday, August 19, 2008 6:35:23 AM
> Subject: [sdiy] Dremel drill press
>
> Anyone have good/bad experience with this:
>
> http://www.mytoolstore.com/dremel/drillprs.html
>
> tanks :)
> Drew
>
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