| 摘要 |
<p>The inventive device is used for cutting hard materials, mainly stone and comprises a saw blade housing (1) having an opening (15) which is provided with a plug (16) for mounting and removing rolling elements (3), a drive ring (2) provided with cutting elements (5) and movably fixed to the saw blade housing (1) by means of the movably arranged rolling bodies (3). Said device also comprises a tightening drive unit embodied in the form of the pair of drive conical rollers (13) which are mounted on the body (8) thereof in such a way that they press the drive ring (2), shift it with respect to the saw blade housing (1) and ensure the cinematic connection thereof to the drive of said device.</p> |
