Re: [CAD_CAM_EDM_DRO] Pneumatics on my spindle question

Its probably a mechanical safety so if the spindle is actuated electrically
it wont turn while you change a tool.

Paul

----- Original Message -----
From: <jeff@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, February 23, 2003 7:37 PM
Subject: [CAD_CAM_EDM_DRO] Pneumatics on my spindle question


> I'm working on a Bridgeport 2J converting it from NC to CNC.
> It has a pneumatic cylinder on the brake and another on what I think
> is the spindle lock. The wiring goes to 4 relays and there are some
> spindle control toggle switches on the Z axis motor mount. Does
> anyone know what his is for (before I hack into it)? The nearest I
> can come up with is maybe its a fast tool change, but I don't see how
> the drawbar is disengaged.
>
> Also, has anyone tried to rig a Microswitch based joystick (Wico
> arcade game type), and other puch button controls, to the switch
> contacts of a PC keyboard to mimic the hotkeys?
>
> Thanks and regards,
> Jeff
>
>
>
>
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