Re: PCB drill working

[Stephen Shaw <stephen@apple2.org.za>]

How about 601s for the bearings? They are used in vacuum cleaner motors and are
readily available.
Very nice Rich I just wish I had the time to tackle these sorts of fun things.

On 4 Jun 2001 00:48:51 -0700, Rich J. wrote:

> I got the drill to work.  I am using washers for
> bearings and I need to get some small bearings.
>
> I used a 3055 transistor for controlling the drill
> motor from the parallel port.
>
> Send the command "move to x,y" to the plotter, then
> "draw line to x,y" to get the pen down on the copper.
> I drilled out the pen and put the motor and drillbit
> inside the pen case.  I then send a command to the
> parallel card and the drill spins.  I'll replace
> the plotters plastic table and tell when the drill
> is through by reading one of the parallel inputs
> and get a 1 back when there is continuity between
> the drillbit and aluminum table.
>
> You can see picture at rich12345.tripod.com on
> the PCB program page.
>
> Rich

-- 
Few cats act their age, whilst most just cough up fur balls.