Construction principle of four-column hydraulic press

Construction principle of four-column hydraulic press

The four-column hydraulic press is driven by the motor through the transmission mechanism to apply the process force to the workpiece. The transmission mechanism is a reduction mechanism of belt transmission and gear transmission; the working mechanism is divided into a screw mechanism, a crank connecting rod mechanism and a hydraulic cylinder. Four-column hydraulic press is divided into three categories: screw four-column hydraulic press, crank four-column hydraulic press and hydraulic press. Crank four-column hydraulic press is also known as mechanical four-column hydraulic press.

The screw four-column hydraulic press has no fixed bottom dead center. For larger die forgings, it can be formed by multiple blows, and can perform single, continuous and inching. The striking force is related to the deformation of the workpiece. When the deformation is large, the striking force is small, and when the deformation is small (such as cold shock), the striking force is large. In these respects, it is similar to a forging hammer. However, its striking force is closed through the frame, so the work is stable, the vibration is much smaller than that of the forging hammer, and a large foundation is not required.

The lower part of the four-column hydraulic press is equipped with a forging ejector. Spiral four-column hydraulic press has the functions of die forging hammer, mechanical four-column hydraulic press and other forging machines. It has strong versatility and can be used for die forging, blanking, deep drawing and other processes. In addition, the spiral four-column hydraulic press has a simple structure and is easy to manufacture, so it is widely used. This article comes from the hydraulic manufacturer WORLD Press Machine official website www.pressmachine-world.com, please indicate the source for reprinting!

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