APPARATUS FOR CUTTING TUBES (ROLLED PIECES) Russian patent published in 2003 - IPC

FIELD: equipment for cutting tubes and rolled products by means of oscillating circular saw in plane normal or not-normal relative to tube axis, attachments for holding, guiding and feeding blank at cutting it. SUBSTANCE: apparatus includes housing supporting rocking cutting disc with drive unit and with protective cover, roller table with guides, feed mechanism, end stop for blanks and clamping device in the form of spring-loaded lever. Clamping device is provided with sleeve in which rod with pin and compression spring are arranged and which is mounted on lever and with handle having cam engaging with pin of rod for preliminarily operational loading spring. End stop is provided with set of adaptors whose working surfaces are cut off by different angles and whose cylindrical surfaces have limbs for rotating blank by predetermined angle in spatial position. Bracket of apparatus is designed for restricting rolled product or tube in order to prevent its throwing out. Transparent screen is mounted on cover of cutting disc. EFFECT: enhanced quality of cutting due to reliable securing of rolled products such as different-diameter tubes, enlarged manufacturing possibilities due to making inclined cuts in any three-dimensional position. 7 cl, 8 dwg