Simple DiY CNC Version 2

- Arduino  Uno + CNC_Shield + 3xA4988.
- Hacked PC suply to 24 V.
- 3D Printed cable chain.
- Some MDF.

X, Z Axis:
- 16 608ZZ ball bearings.
- 2 "V" Steel profile 15x15x1000 mm.
- 3Dprinted 5mm-8mm couplers.
- 8 mm Screw Rods.
- 2 Nema 17 Stepper.

Y Axis:
- 8 V-Groove 608 ball bearings.
- 2 predrilled Steel profile 2x40x1000 mm.
- 3Dprinted 5mm-12mm couplers.
- 12 mm Screw Rods.
- 2 Nema 17 Stepper.

Size: 70x110 cm.
Working Area: 45x80 cm.


Detail of X-Z Mounting.
Note Screws to tighten X Axis bearings against rail.

Y Axis V-groove Bearings:

Picture of the couplers i used:

They are rigid 3Dprinted 5mm-8mm couplers.
You can find the model here: https://www.thingiverse.com/thing:1329750
( i finally used 12 mm rods. )

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