1. framing with a welded structure of steel plates provides strong rigidity 2. nityogen cylinder guarantees steady and rapid return 3. light alignment device facilitates lineation and shearing and enables step-less adjustment of the travel of tool support 4. NC-89 digital display system provides input of preset value so the shear automatically stops when the backboard is in place and the operations become easier 5. mechanism capable of rapid adjusting blade gap provides reliable positioning.
