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A Tinkerer's Guide to CNC Basics

A Tinkerer's Guide to CNC Basics

By : Najia
4.7 (10)
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A Tinkerer's Guide to CNC Basics

A Tinkerer's Guide to CNC Basics

4.7 (10)
By: Najia

Overview of this book

Until recently, Computer Numerical Control (CNC) machines belonged to the realm of heavy industry, but as technology becomes cheaper and smaller, these machines now can be used in home workshops. It’s not easy to get started, though, but thanks to this guide, you’ll be ready to take on a variety of projects in no time. A Tinkerer’s Guide to CNC Basics contains everything you need to get set up at home with computer-controlled machining and fabrication. Sparing you the theory, this project-laden guide helps you learn by doing. Once you’ve got to grips with the principles of CNC and installed the 3018 Pro CNC machine, you’ll gradually move from simple projects such as basic engraving to more complex milling and machining techniques. You’ll even learn how to upgrade your machine to accomplish more sophisticated designs. The plethora of projects in this book will keep you busy and give you the practice you need to get started with your computerized workshop. By the end of the book, your computerized home workshop will be one step closer to realization, and your machining skills will be taken to the next level.
Table of Contents (15 chapters)
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11
Chapter 11: Building a More Capable CNC Machine

Project: Building a CNC Laser Cutter and a Plotter

As we have already seen, CNC machine use cases involve more than just shaping workpieces with a spindle. We can also convert our 3018 machines into laser cutters, plotters, and drag knives. However, because the 3018 uses leadscrews to handle the rigidity requirements of working on blocks of material, it is generally slow when used as a laser cutter. Most commercially available machines use belt-driven systems for motion. This is because the toolhead typically does not experience a load from the workpiece.

In this chapter, we will build two machines. The first one, a laser cutter, will be built using an adaptation of a commonly used frame, which we will adapt from a plotter design so that we only use off-the-shelf parts. While it is possible to buy a unit commercially, building one will give you a better appreciation for the mechanics of a belt-driven motion system. It will also allow you to customize the machine to your specific...

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