Re: [CAD_CAM_EDM_DRO] Re: added laser cutter to my mill (pics)

guys,

Why not just use the spindle on/off codes? an SSS (solid state switch)
can be driven (active low) by a line from the printer port. I currently
(ha!) use spindle control on my machines, M03 M05 does it!

Alan KM6VV

skykotech wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bob Muse" <mtebob1@s...>
> wrote:
>
>>Hi Rick
>>I just put a microswitch on the mill head with a little arm that
>
> comes off
>
>>the laser. When the quill goes down .015" it turns the laser on
>
> and up
>
>>turns it off. Works great with the gcode generated by the text to
>
> gcode
>
>>program I downloaded off the net.
>>
>>Bob
>
>
> Essentially the same thing I have done with the atmel in an
> electronic solution. The problem is then that you can't use the z-
> axis for engraving operations. :-(
>
>
> Rick
>
>