However, this doesn't mean you should try to go for as many teeth as you can. Secondly, bits with more flutes tend to give a better surface finish. First, it adds to the strength of the bit, which means the bit can be fed into the workpiece faster and work on harder material. Having more flutes offers two main advantages. The number of flutes on your router bit impacts the work speed and the surface finish of your product. Though not to be taken as the same thing, these two terms are usually interchangeable since they are always identical in number. As the bit rotates, teeth are responsible for cutting materials off, while flutes help evacuate the chips (namely removed materials) from the workpiece. Teeth refer to the cutting edges, and flutes are the grooves formed between teeth. Therefore, this article aims to introduce the basics of cuttings tools and walk you through some of the most commonly used router bits.įirst, let's get to know the major features used to categorize a cutting tool. Choosing the right cutting tool is critical to your project's efficiency and even success. Just like you wouldn't use a dagger to chop ribs, various cutting tools are designed to cut out different geometries. The toolpath (or G-code) instructs the cutting tool (aka bit) on how to move, while the cutting tool engages with the workpiece to produce the outcome. We already understood that CNC machining works by removing material from a solid workpiece to achieve the desired geometry. Now, it's time to dive into practical machining. The previous five episodes focus on the CAD and CAM processes. Welcome to the CNC series of Snapmaker Academy.
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