A circular sheet cutting machine is a machine tool used for cutting circular or circular-arc shaped workpieces from sheet metal or similar materials. The machine typically includes a circular cutting blade, which rotates around a fixed axis, and a support table to hold the workpiece. The cutting blade can be adjusted to different angles and depths to accommodate different material thicknesses and cutting angles. Some circular sheet cutting machines also include a CNC (computer numerical control) system, which allows for precise cutting and high-volume production. The machine can be used to cut a variety of materials such as metal, plastic, glass, and composites. Applications for circular sheet cutting machines include cutting circles for metal discs, gears, pipes, and many other circular shapes for different industries.