<p>A work cutting method by a band saw machine, wherein vibration imparting means (19A) and (19B) are installed in band saw blade guide devices (13) and (15) guiding the tooth tips of an endless band saw blade (7) installed on the band saw machine (1) in the direction of a work, and vibration is imparted to the work (W) in the cut-in direction of the band saw blade (7) by the vibration imparting means to cut the work (W).</p>
