A Band saw machine is a power tool with a blade that has teeth on one edge to cut various materials. It is designed to cut curves, circles and irregular shapes on pieces of wood or metal although it can also cut straight lines. The band in the machine rides on two wheels that rotate on the same plane.
There are basically 2 important types of band saws depending on their use, Timber cutting band saws are used in timber mills to rip lumber. This type of band saw need to be serviced regularly by saw filers.