Build your own CNC mill at home _ DIY CNC mill

Описание: Build your own CNC Milling machine with high accuracy, zero backlash and super rigid

Here are some info on build.

Build time: About 500 hours.
Build cost: About $4500

Travels:
Z : 11" ( 27.9 cm )
X: 22" (55.88 cm)
Y: 12" (30.48cm)

Spindle:
5.5 KW ATC BT30 18000RPM from Ebay. ( very happy with it) seller is super nice guy.

https://www.ebay.ca/itm/Combo-ATC-too...

Electronics:

BOB: PMDX 424. https://www.pmdx.com/PMDX-424
Spindle speed control: PMDX 407. https://www.pmdx.com/PMDX-407
Stepper motors : Nema 34 1275oz-in
Drivers: DM860d from Ebay

Software:
Mach4.
https://www.machsupport.com/shop/mach...

Rails:
20 mm Raills for X,Y and Z

Ball screws:
Y ball screw is 20mm
X Z ball screws are 16mm

Couplings:
Bellows style Ruland coupling with zero backlash .
https://www.ruland.com/servo-coupling....

Frame:
Y Axis
24" x 14" X 4"( 64 X 35.5 X 10.1 cm )
Material 1.25" X 4" ( 3.1 X 10.1cm )steel

X Axis
35" X 11" ( 88 X 28 cm )
Material .500" (12.7mm) base plate
1.25" X 3" walls

Z column
35" x 8" X 4" ( 88.9 X20.3 X 10.1 cm) tube with .500" (12.7mm) wall thikness
filled with cement.

Enclosure:
Aluminum sheet and angle.