Homebrew PCBs

Hi Craig

Lovely drill press.

By the way where did you get the small centering microscope from.The 
larger ones are very expensive. It would be nice to use on my cnc router 
to set the X+Y-zero. Thank you.

Jean-Claude

Am 28.02.2016 um 09:17 schrieb craigl2@... [Homebrew_PCBs]:
>
> I uploaded several photos of the drill press I built to a new album 
> named Craig L's Photos. Some details, including the magnetically 
> attached drill guide bushings, are in a previous message.
>
> The frame is made of 8020 aluminum extrusions but could just as easily 
> be made of MDF. The handle has a 3/4" by 2" rod on it held in place 
> with a set screw to counterbalance the mechanism. In the photographs 
> this weight is way down near where the rod attaches and could be much 
> smaller (it was sized for a heavier spindle that I was using 
> previously). The lifting mechanism consists of a disk pivoting on a 
> bearing with another bearing riding on the top connected to the linear 
> slide mechanism. The bearings are not absolutely necessary, previously 
> it pivoted on a rod riding in a plastic block with a rod riding on the 
> top. The bearings however further reduce the friction.
>
> The scope is a small centering microscope I use on a small milling 
> machine. A USB webcam work j ust as well however, I don't have a 
> convenient computer in my work shop area.
>
> Craig
>
>
>