The structure of solid wood window cutting tools must meet the following requirements: l) The tool clamping height is constant, such as 75mm, which meets the equipment requirements; (2) The vertical positioning height of the tool is constant, such as 10mm; (3) The tool reference The diameter meets the equipment requirements, such as a birch cutter 320mm (the diameter of the highest point of the profile); (4) A combination milling cutter with a special sleeve is used to achieve quick installation of the tool; (5) The blade is quickly clamped, with radial and axial Directional positioning; (6) The blade is a non-regrinding blade or an indexable blade.