Spec:
- Machine size: (1110mm x 1110mm @ 485mm high)
- Work area parameters (X: 813mm Y: 813mm Z: 90mm) - 105mm Z-travel
- Carbon fibre gantry plates (5mm depth)
- Structure (4080 C-Beam V-Slot Extrusion)
- Screw driven, Stainless steel, with ant-backlash (T8 x 8 Trapezoidal Lead Screw)
- Nema23 motors (3A 270oz / inch)
- Hand wheels on X Y Z Axis (for fine tuning & calibration)
- Xtreme V-wheels (Polycarbonate)
- Dewalt D26200 router (240V)
- Router mount (71mm Diameter)
- Dust shoe (3D Printed, with 45mm bristles)
- Openbuilds BlackBox Controller (24V), USB interface (4 x 3.2A Stepper Drivers - Max @ 4A)
- Transformer (300W - 12.5A @ 24V)
- Kill switches (Turns off Router & Pauses G-Code)
- Base (19.5mm MDF Black gloss laminate top, on 2040 V-Slot Extrusion)
- 4 x Hold down clamps (160mm Aluminium) & hand screws (M5 80mm)
- Noise dampening (Base mounted Polyurethane feet)
- Wiring (4core / 20AWG) & (2core / 20AWG)
Openbuilds CNC (witthuhnCNC XKLBR-1S)
Build in 'Cartesian Style CNC' published by Kenneth Witthuhn, Feb 25, 2020.
Based on the popular C-beam / V-wheel design, with the largest available work area, relative to machine size. Screw driven with anti-backlash, integrated drag chains, Carbon fibre gantry plates, Openbuilds BlackBox Controller (USB), Transformer & kill switches, with internal wiring, limit switches & Nema 23 motors.
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- Build Progress:
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- Build Complete!
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Special Notes
Design ethos:
Machine to be as small as viably possible, relevant to the work area requirements.
Only the highest available quality products used.
Machine is to be ergonomic & tidy.
Wiring & Electronics to be contained within the machine’s extremities.
Easy to use, with integrated protection systems.
Cynic, Thomas McGravie, phuture3d and 5 others like this. -
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Build Author Kenneth Witthuhn, Find all builds by Kenneth Witthuhn
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Build Details
- Build License:
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- CC - Attribution NonCommercial - CC BY NC
Reason for this Build
I started with the X-carve, I didn't like the like the rigidity of it, so I used it to make some ganarty plates for the first C-beam style CNC machine. I looked @ other designs & noticed that many were big & bulky, so I tried to make my own CNC machine as compact as possible, relevant to the required work area.