very cool

Bob Blick wrote:
> Jinx wrote:
>   
>> Printer carriages have very good guide rails and transports. So do
>> 5 1/4" floppy drives. And both good enough to mechanise with a
>> small motor I reckon, if you want push-button drilling
>>
>>     
>
> Funny you should mention it, a long long time ago I made a PCB drill
> press with the slide from a 5 1/4" floppy drive. I put a knob on the
> back end of the stepper motor shaft to do the up-and-down, used the
> spinner motor from a daisywheel printer to do the drilling, the chuck
> was guts of a panel-mount locking 1/8" milspec potentiometer. I still
> use it, only ever broke a drill bit if I did something stupid. Attached
> is a picture.
>
> Cheerful regards,
>
> Bob
>   
>
> ------------------------------------------------------------------------
>
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist