The band saw is a standard machine, which is available in all size categories. It is used in smaller workshops as well as in massive wood processing and furniture production. It is not only used for the sawing of wood, but also for plastics, polystyrene, glass or ceramics. It is characteristic for all band saws that both ends are welded. Thus, it forms a continuous, closed ring. In contrast to a jigsaw the saw band of a band saw is put into motion by rotating rollers. Because of this it only circulates in one direction - called an endless or interruption-free cut. Usually, this cut is performed during the vertical circulation of the saw band, but there are also machines, which work with horizontally clamped and circulating saw bands.
The basic construction and the technical principle remained the same since the 19th century. There are only differences between the manufacturer-specific versions of the machines. In the upper and lower part of the machine are two closed hoods, which contain and protect the saw rollers. Both saw rollers form the guide for the saw band which is formed into a closed ring and propel it by rotation. It only runs across the rollers within the machine's corpus and frame and can only be seen in the cutting zone. This area leaving room for the workpiece processing and deciding on the opening height is located in between the rollers. A table with a hole for the installation of a new saw blade offers room for the positioning of the workpiece to be cut. There is also often an adjustable stop located on this table for the safe guiding of the workpiece through the saw blade.
If the band saw is working with feed rollers at the machine table, it is a resaw, which is also constructed more robust considering its use. Furthermore, a sliding table can be used for the easier feed of the workpiece into the rotating saw blade, as long as the special machine type allows for its use. A mitre stop at the machine table allows cuts of the workpiece in an angle to its natural shape. A tiltable table allows the user to perform diagonal cuts across the workpiece, although the workpiece is sawed lengthwise.