back again..... new member

[GEOFFREY]

Hi, before removing the air cylinders you should find out their original function, they may be working as some kind of counter balance or lift assist for the Z axis. do you rally need two spindles, you may be able to increase the Y travel if you remove one of them. I think your controller is an AMC 3 stepper controller end they do work very well (I have one).
good luck with your conversion . G.

[JAZZCNC]

Hi, before removing the air cylinders you should find out their original function, they may be working as some kind of counter balance or lift assist for the Z axis.

Don't think so Geoff pretty sure they are for plunge drilling. If you look close you can see 3 sets of linear rails, each spindle has it's own back plate and each connected to a cylinder and 1 wide rail each and the Whole Z axis has another set of rails that move both together.
Also the Left Drilling spindle is fixed but the right can be offset using the Slots in the back plate, the Bar running horizontal acts has a register.

[GEOFFREY]

Thanks Jazz, I am sure that you are right about the air cylinders being used for drilling, but could not see what disconnected them from the leadscrew. I had seen that the spacing between the spindles was adjustable. It does look like it will be a nice project and will make a nice woodworking route. G.