Game on!

[Voicecoil]

After much swearing at the rather arkward connector I've got the spindle installed

[JAZZCNC]

After much swearing at the rather arkward connector I've got the spindle installed

You might want to add strain relief to that, it's just a short circuit waiting to happen. Also not a good idea to pump heat into the wire which is what the water pipes will do, esp on long jobs.

Strange Z-axis design. Why did you feel the need to use 2 ball-screws and have the linear rails side-mounted.?

[Voicecoil]

I'm not too worried about the strain relief (the supplied one wouldn't fit over the cable!) as I've added a couple of layers of adhesive lined heatshrink over the cable so the clamp is pretty damn tight now, and the last inch or so of the cable has been stiffened up a lot. The heat transfer is an interesting point, I'll keep an eye on that, if necessary up the cooling - easy to add some finned extrusion to the pot and up the pump speed. As mentioned above, having to bundle the water pipes and spindle drive together and take them through the bushing wasn't really intentional!
The Z-axis design was done that way to keep things compact and the spindle axis as close to the gantry as possible (it's saved between 40 and 50mm off a more conventional design), and was partly inspired by Routercnc's machine. Should see how well it works in a few days once I've got the VFD programmed.....

[JAZZCNC]

The Z-axis design was done that way to keep things compact and the spindle axis as close to the gantry as possible (it's saved between 40 and 50mm off a more conventional design), and was partly inspired by Routercnc's machine. Should see how well it works in a few days once I've got the VFD programmed.....

Ermm not sure if that gain alone will be worth it.? It's going to make tramming the spindle an absolute bitch of a job. Accurate Alignment of rails, ball-screws, etc looks much more difficult.
Also, the bearings being sat on thin edge-mounted plates will allow more vibrations into the spindle.

Don't get me wrong I'm sure it will work fine but the conventional approach would have been stronger and easier to setup. I also think it's a bit of a wasteful design.? In that doesn't require 2 screws which cost extra money and also put excess load on the motor robbing it of performance.! . . . I'd rather have it simpler, stronger and more efficient than save 40mm travel if I'm honest.

Sorry to be negative about it, . . . But I'd rather say it than think it, then sees someone else copying it thinking it's better because saving travel without seeing the negatives I see. I

You made a nice job of it thou well done..

[Voicecoil]

Ermm not sure if that gain alone will be worth it.? It's going to make tramming the spindle an absolute bitch of a job. Accurate Alignment of rails, ball-screws, etc looks much more difficult.
Also, the bearings being sat on thin edge-mounted plates will allow more vibrations into the spindle.

Don't get me wrong I'm sure it will work fine but the conventional approach would have been stronger and easier to setup. I also think it's a bit of a wasteful design.? In that doesn't require 2 screws which cost extra money and also put excess load on the motor robbing it of performance.! . . . I'd rather have it simpler, stronger and more efficient than save 40mm travel if I'm honest.

Sorry to be negative about it, . . . But I'd rather say it than think it, then sees someone else copying it thinking it's better because saving travel without seeing the negatives I see. I

You made a nice job of it thou well done..