The electrical control is computer controlled. Notch and punch square machine, shear and folder machine with hydraulic systems. All hydraulic componments are famous Germany Rexroth Hydraulic parts, and the electrical units are of good quality from America, Germany and Japan, which increase the products capacity and reduce breakdowns. The maximum work speed is 10m/min. The length tolerance is <>0.5mm.The diagonal line tolerance is <>0.8mm. The lock shape is made according to international standard, and the feeding frame can be set according to customer's requirement... Basic Equipment: A: Two units of motor-driven metal feeding frames B: One set of leveling and grooving equipment C: Four sets of hydraulic punching square notch dies D: Double drive single lock machine E: One set of Hydraulic cutter and folder F: Industrial computer and special software A: A: It can cut fixed sized metal, also can be used with a plasma cutting machine. B: (a) Punch C, S inserted cleat notch. It can be used with C cleat and S inserted flange machines. (b) Due to different connecting methods for notch cutting, it can be used with TDF flange machine and TDF connecting machines. (c) its able to punch all kinds of notches which are used by angle iron flange or Z shape flange machine. It can fold , and shape, and can be used with combined seaming machine to produce a complete set of duct. C: It can punch TDC notch and fold metal for inserted flange, to produce shaped duct, for example. It can be used with both combined seaming machine and inserted flange to manufacture a complete set of duct...