This it how it looks at the moment:
Hi. I'm working on this build for about 2 years now and jsut wanted to share some pictures of the progress.
The Framesize is 1000mm x 800mm. It is a direct driven dual drive gantry design inspired by the famous Gabriels build.
It uses 25mm linear rails on all Axis and 1605 ballscrews on X & Z and 2005 on Y. I wanted 10mm pitch at first but ordered 5mm pitch... and for now can live with it.
Motors are high torque Nema23 steppers. In the future I update to 400W Servos.
Everything was done with simple tools like a drill stand and a sliding mite saw.
This is how it will look at the end:
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This it how it looks at the moment:
now what .leaders need a dogx2
I wanted 10mm pitch but ordered 5mm. **** happens but I can live with it.
I received the large Profiles yesterday and mounted them. Next step is aligning and squaring everything which feels like it will be much butthurt.
Very Cool!
@fretman_2 thanks. I'm very happy with it too.
PS: Some pictures of the aligning process will follow these days.
Today I started aligning some parts.
The left Y Profile was clamped in position with 1-2-3 blocks and attached to the bottomframe.
To flush both Y profiles I clamped them between the motormounts.
To get a little pressure from above I improved a bit:
With everything clamped that way I tightend the Anglebrackets of the secondary Y Profile.
Next step was aligning the Linearrail of the left Y Axis which was pretty simple. Just mounted a dial gage to the slide and drove along the screws. A little pressure here, some more pressure there to get it near zero.
Last step was inserting the fastener caps. After inserting them I used a razorblade plane to cut away the overhang.
What kind of couplings are you using for the nema 24's and the threaded rods?
Simple 30mm diameter jaw couplings.
https://www.cnc-discount.com/wellenkupplungen/122
The Y Axis is aligned. The Ballscrew for the X Axis arrived today.
To make things more rigid I mounted a 120x80 Profile to the back.
Aligned the X Axis:
X left:
X center (after tightening the slave rail it changed to 0.03mm which is still fine for me):
X right:
Just a small update. It is almost done.
Hi. Today I recognized that the stepper drivers were not connected to the +5V Terminal. Only the step- and dir- was connected to the board. But step+ and dir+ were not connected to anything. The stepper worked.
Could someone explain why it worked?
The drivers are DQ542MA, wired active low, but I forgot to connect the +5V.