The single machine structure of four cylinder press brake machine is a whole composed of left and right integral welding frames and two connecting beams in the middle.
The four oil cylinders are respectively installed on the wallboard and rigidly connected with the ram.
The worktable is connected with four wallboards by four adjustable wedges, and the integral ram, the integral worktable and the assembled frame constitute a four cylinder synchronous press brake machine with uniform load and high precision requirements.