Dust Collection. Friends of Woodcraft. Getting Started with Woodworking. Make Something. Pen Kit Reference Chart. Press Releases. Resin Casting. Shop Talk. Woodcraft Magazine. Woodworking Adventures. Spiral Router Bits vs. Spiral Bits Leave a Clean Edge The three basic cutter configurations for spiral bits are up-cut, down-cut, and a combination of the two, known as a compression bit.
Straight Bits Come in Many Sizes and Bearing Configurations Router-bit manufacturers have difficulty making solid-carbide spiral bits with cutting diameters larger than their shanks.
Sharpening Spiral Bits Is Difficult, if Not Impossible Some woodworkers like to sharpen their straight bits, although I find it difficult to get it right and always send out my bits for sharpening.
Spiral Bits Can Be Risky to Use Spiral bits work incredibly well in the production environment and especially in CNC computer numerically controlled router industrial applications. Quick View Item 09I Quick View Item Quick View Item 03K Write Comment You must be logged in to write a comment.
Learn More. Customer Care Talk to a friendly customer care representative to help with your purchase. Talk to an Expert Get advice on the latest products and help with your projects. Join Our Email Program! Many have a cutting edge on the bottom as well as the sides, so that they can plunge vertically into or through material to start a cut, but most of the work is done horizontally by sharp edges on the carbide spirals.
Upcut bits are more common than down-cut. With upcut bits, the chip and dust waste is channeled upward along the spirals of the bit and evacuated at the top. Upcut bits are designed for solid material hardwoods, MDF and usually thicker material. If the wood part being milled is too thin, an upcut bit can emerge violently and leave a ragged, torn exit wound. RicoCNC supplies a range of cnc cutter bits , cnc spare parts , cnc tooling system , etc.
If any interests, welcome to contact us. Industry News How to distinguish between up-cut bit and down-cut bit quickly? How to distinguish between up-cut bit and down-cut bit quickly? Use these for grooving or slotting, for upward chip evacuation and best finish on the bottom side of the part. These bits allow for rapid cuts since the tool clears the chips away from the material.
While ideal for cutting thicker materials, this type of tool is not recommended for thinner or softer materials. When working with these types of material, the upward force can pull the material causing a ragged finish on the top surface, or even worse, eject the part from the table.
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