The main technical parameters ·Straightening master cylinder stroke: 0-1200 (mm) ·Work straightening tension: 80-400T (hydraulic control) ·Clamping height of jaws: 180-550(mm) ·Jaws opening and closing method: hydraulic / opening and closing ·Jaw rotation: hydraulic / electric ·Rear jaw movement: hydraulic/electric ·Straightening machine tension control device (pressure protection device control) ·It is suitable for the aluminum extrusion rear conveying production line (translation type, chain type, synchronous belt type) supporting the large main engine.