Cutting process where a hole is cut in the workpiece using a cylindrical saw. Beskrivning The process A cylindrical tool provided with inserts along one circular end fed towards the workpiece, the chip breaking create a circular hole. Often a standard twist drill in the center which creates a pilot hole before the circular tool contacts the workpiece. Usually cutting fluid is supplied for cooling the process and allowing a higher cutting speed. Chip breaking The way in which a chip breaks Read moreCutting fluid Cutting fluid has three main purposes. Cooling, lubrication and removal of chips. Read more Hole sawing Advantages and disadvantages In comparison with alternative methods Low amount of material removed Low power consumption can cut a variety of hole sizes Substantial torque at low speeds Scrap Material may get stuck inside the drill A tool for each diameter is required
