How to Flatten a Board with a CNC Router – Step-by-Step Guide

Learn how to flatten a warped or rough board using a CNC wood router. In this detailed tutorial, I walk through every step of the board-flattening process—from design setup in VCarve, proper hold down and shimming to prevent wobble, and surfacing both sides of the board. Whether you’re working with hardwood slabs, reclaimed lumber, or just need a flat surface for your next project, this guide shows you how to get professional results with your CNC router.

In this video, you’ll learn:

➡️ Why and when to flatten a board with a CNC router

➡️ Best bit to use for surfacing wood

➡️ Toolpath settings for smooth, efficient cuts

➡️ Tips for securing the board

➡️ How to avoid common mistakes during the flattening process

This is a must-watch for any CNC woodworker looking to know how and when to surface a board using a CNC and achieve precision results!

Tools Used: Laguna IQ CNC

Bit used: Rip Precision Tools Slab Slayer: https://www.ripprecisiontools.com/?re… Use Referral Code: ROBSANDSTROM for a discount .5″ Surfacing Bit SlabSlayer  SKU: ISB-MD2500D50S45D

Software: Vectric VCarve