What Is Tramming and Why Would You Do It?   Tramming the router means adjusting the router mount to get the router as close to perfectly perpendicular to the spoilboard in the X and Y direction as possible. A router that’s not adjusted properly will cut deeper on one edge than it does on the other, leaving ridges and grooves on flat surfaces. This phenomenon is less noticeable when using smaller diameter bits. When you get into using larger diameter bits, however, it can become very apparent. [expand title=”Read More”] In the picture below, you can see an exaggerated demonstration of what I’m talking about. The bit on the left is…