Thickness planer
（重定向自Thicknesser）
![Thickness planer](/Images/godic/202502/16/Thicknessing_planer1213.jpg")
![A portable thickness planer](/Images/godic/202502/16/Thicknesser1213.jpg")
![](/Images/godic/202502/16/Thicknesser1213.gif")
A thickness planer (also known in the UK and Australia as a thicknesser or in North America as a planer) is a woodworking machine to trim boards to a consistent thickness throughout their length and flat on both surfaces.