The applicable materials for the hydroforming process of the four-column hydraulic press include carbon steel, stainless steel, aluminum alloy, copper alloy and nickel alloy, etc. In principle, the materials suitable for cold forming are suitable for the hydroforming process of the four-column hydraulic press.
The four-column hydraulic press hydroforming process has a wide range of applications in the automotive, aviation, aerospace and pipeline industries. The four-column hydraulic press hydroforming process is mainly suitable for: round, rectangular or special-shaped cross-section hollow structural parts that vary along the axis of the component, such as automobile exhaust System shaped pipe fittings; non-circular cross-section hollow frames, such as engine brackets, instrument panel brackets, body frames (about 11% to 15% of automobile mass); hollow shafts and complex pipe fittings, etc. To
Four-column hydraulic press mainly has four working processes: the main cylinder goes down, the main cylinder returns, the ejector cylinder is ejected, and the ejector cylinder returns. The system is divided into two states: manual and automatic operation. In automatic operation, these four working processes are carried out in turn, and there is a certain delay when each two processes are switched; in manual operation, the operation and stop of each process can be controlled manually .
Four-column hydraulic presses are widely used in industry, but manual on-site control has certain dangers and misoperations. The automatic control system based on PLC four-post hydraulic presses uses a computer as the host computer, and through PLC, the hydraulic press can be remotely and automatically controlled. Can control. This not only improves the production efficiency of the four-post hydraulic press, but also ensures the safe and reliable production of the four-post hydraulic press.
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