MotionMevideo
What do you need to KNOW to build a CNC at home?
October 4, 2026 · 18 min · 6K views
What this video covers
A custom-built CNC machine with a 2.6m by 1.6m cutting area costs approximately R$ 7,500 to construct, significantly less than industrial alternatives ranging from R$ 40,000 to R$ 60,000.12:29 The build requires basic proficiency in welding for the steel tube structure and electrical wiring for the control systems.1:37 Key components include a 1.5 kW spindle with an inverter, rack-and-pinion drive systems, and a FluidNC firmware-based controller that allows for wireless operation via tablet or smartphone.11:05 The structure utilizes laser-cut steel plates to ensure precision and a moisture-resistant MDF sacrificial table.8:44 For software, the Autodesk Fusion platform serves as both a CAD modeler and a CAM generator to create machine code and simulate tool paths, preventing potential mechanical errors.6:23 The project documentation provides a 3D visualizer, interactive wiring diagrams, and a calibration guide to assist builders in assembly and setup.13:32 This machine is intended for fabricating aluminum parts for boat construction.12:48
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