On Fri, 03 Oct 2003 11:39:10 -0400, Don Perry <
mojo@...> wrote:
> I am working on a CNC machine, home made, slow work in progress. I now
> use a dremel with a flexy shaft extension. Its hooked to a 5 1/4 floppy
> disk drive head carriage assy. I run the stepper up and down and it has
> plenty of power to run the setup. I put two hall effect sensors on the
> side of the assy and it auto cycles the bit up and down. That keeps the
> cycle time (up and down) down. The bit just comes out a little over top
> of the board and waits for me to align the bed for the next hole. Then
> one push of a foot button and it auto cycles the bit. I have a dollar
> store laser pointer that pin points up the drill bit landing point. I
> had to add a collet, black cardboard hole punch with a pin prick in it,
> to the inside of the pointer screw on lens. It was not quite fine
> enough of a laser dot. Helps this blind guy allot. I use SAA 1027s, no
> longer made, I had 8 of them in a parts drawer. Im sure any cmos
> circuit with 500 ma worth of power would work. It only needs direction,
> stop, and clock. So with all that working. I move on to the bed X and
> Y driver hardware and control software. I would like to find a gw
> basic program ready made or some program that could be patched or
> modified by a rookie without allot of trouble if needed. Also, DOS
> based, if anyone has an idea here. Hope I don't end up writing my own,
> but, Cheap is my standard. And I only make a few boards a month for
> personal use.
>
hi don
which type of rails for x/y do you use?
i think you can't mill with this setup?
stefan