Making slot wedges, dovetail strips, fibreglass strips, edge-rounded strips, profiling, and rounding on wood, press board, fibreglass or insulation sheets, or any other similar material, is done with an industrial slot wedge making machine. It has high speed spindles and a precise feeding system to cut fiberglass/press board strips into dovetail, t-groove, or slot shapes on both sides. This machine is used to create profile wood components, design strips, press board strips, edge rounded strips, dovetail strips, t-strip for transformer insulation, and other similar items. Industrial slot wedge making machine can be applied to insulation sheets, press board, fibreglass, and wood.