The band saw machine is a circular saw band tensioned on two saw wheels, and the saw wheel drives the saw band to cut. There are two main types of band sawing machine: vertical and horizontal. The vertical band saw frame is set vertically, the workpiece is moved when cutting, to cut the curve profile of the sheet and formed parts, and the saw band can be changed into a file chain or sand belt for filing or polishing. Horizontal band sawing machine saw frame horizontal or inclined arrangement, in the vertical direction or around a pivot swing in the direction of feed, the saw band is generally twisted 40° to keep the saw and the workpiece perpendicular. Horizontal type is divided into scissors type, double column, single column type band sawing machine; According to the use of manual type (economic manual feeding manual cutting materials), automatic type; According to the automatic program using the controller can be divided into manual type (semi-automatic manual feeding) automatic type (automatic feeding automatic cutting).