The frame is entirely welded with steel plates, and treated to relive stress by tempering. It adopts three point supporting type rolling guide way to raise shearing precision. Rectangle knife which has four blades has a lasting life. The portable and prompt adjustment of the blades gap and the value of gap are indicated by digital,convenient and fast. Equipped with lighting-alignment, so as to align when shearing. The stroke of knife beam can be adjusted in step less mode. Protection fence to ensure the operation safety. The display devices of the back gauge value and the shearing times are on the front of the machine. The shearing angle can be adjusted
