Small scratch build 3 axiz CNC

[bofred]

Thank you. Yes. The item rods are from scrapped out prototype machines. As well as the stepper motors. I have been working with machine tests for 18 years on different kinds of machines mosty in the pick and place buisseness. So I know where to find the goodies ;)

[JAZZCNC]

Looking good Bofred but I see a potential trouble spot that could be made much stronger for not a lot work.? . . .

The gantry rails mounted directly to the profile with no reference edges for alignment and support could slip under use just hanging from the rail bolts. I would mount rails to a piece of plate with machined reference edges that is same width and height as gantry then mount that to profile. It will massively stiffen the gantry and allow much easier setup.
I would also put a slot in front of plate for ballscrew bracket to come thru which will offer protection to the ballscrew/nut.

[bofred]

Looking good Bofred but I see a potential trouble spot that could be made much stronger for not a lot work.? . . .

The gantry rails mounted directly to the profile with no reference edges for alignment and support could slip under use just hanging from the rail bolts. I would mount rails to a piece of plate with machined reference edges that is same width and height as gantry then mount that to profile. It will massively stiffen the gantry and allow much easier setup.
I would also put a slot in front of plate for ballscrew bracket to come thru which will offer protection to the ballscrew/nut.

Thank you Jazzcnc for good feedback,
I might have underestimated the forces on the X linear rails but my milling skills is very limited. Its only M5 screws on the linear rail.

Maybe I can make a support plate screwed in the item rod slot above the rail and after the X-rail is aligned against the Y-plate slide and tighten the support plate against the rail so it will not slip out of position. That would be an easier solution for me.

I also might combine the support plate with the ballscrew protection plate you suggested with a slot for the X-linear movement. That was a good idea. I dont know how the connection between the ballscrew and X-plate looks like yet. But it might work :)

[njhussey]

Thank you Jazzcnc for good feedback,
I might have underestimated the forces on the X linear rails but my milling skills is very limited. Its only M5 screws on the linear rail.

Maybe I can make a support plate screwed in the item rod slot above the rail and after the X-rail is aligned against the Y-plate slide and tighten the support plate against the rail so it will not slip out of position. That would be an easier solution for me.

I also might combine the support plate with the ballscrew protection plate you suggested with a slot for the X-linear movement. That was a good idea. I dont know how the connection between the ballscrew and X-plate looks like yet. But it might work :)

I've got a slotted Y axis (you call it X I think?) It looks like this from the back...