What CNC Machining Is and How It Works

CNC machines can carve out objects with more precision than the most highly-skilled machinists.
Loukia Papadopoulos

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CNC machines date all the way back to the 1940s and 1950s but today especially they can achieve some pretty impressive outcomes. What are CNC machines and how do they work?

CNC is a process of using a computer to control, automate, and monitor the movements of a machine to manufacture parts from stock materials. They work similarly to 3D printers only they cut away material to create an object instead of building it from scratch.

They can be used in various forms of traditional manufacturing machines such as milling machines, lathes, routers, welders, grinders, laser cutters, waterjet cutters, sheet metal makers, slumping machines, and more.

CNC machining was created to bypass the limitations of manual machining. Manual machining used live operators who were forced to prompt the machining tools via buttons, and wheels.

Instead, CNC machining is faster and produces more precise, and more accurate results than using even the most skilled human machinists. That's a pretty impressive achievement!

To put it simply: a CNC machine is a carving machine that can precisely control a series of axes to create a 3D object exactly as intended. Now that you understand what a CNC machine does, let's learn how it does it. Watch the video to find out more.

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