Components of a four-column hydraulic press

Components of a four-column hydraulic press

The four-column hydraulic press consists of two parts, the main engine and the control mechanism. Its functions and uses are very extensive. The following is a detailed look at the composition of the four-column hydraulic press.

Due to the main purpose of the general four-column hydraulic press, it is used for the drawing and forming of metal sheets, the press forming of various plastic materials, and the pressing of powder products, and can be used for various materials and semi-finished products. Therefore, the structure of the four-column hydraulic press must have a certain rigidity.

The general four-column hydraulic press structure includes: three-beam four-column structure, frame tie-rod structure and single-column vertical structure. Among them, the four-column hydraulic press of the single-column vertical structure frame has low rigidity and is generally only used for calibrating and pressing the shaft and sleeve parts; The precision is generally the research and processing of large and medium-sized sheet metal stamping parts, the assembly of molds and the repair of molds; and the three-beam four-column four-column hydraulic press has a certain rigidity and is easy to adjust, so it is widely used, and the general (universal) four-column hydraulic press is generally All use this rack structure.

Therefore, this design decided to adopt a frame structure similar to the three-beam four-column type. Since the four-column hydraulic press has a top mold cylinder device, an additional three-beam four-column structure is used to install the top mold cylinder, which becomes a five-beam eight-column type. structure. The fuselage structure is assembled by the upper beam (fixed beam) of the main cylinder, the movable beam of the main cylinder, the lower beam (table), 4 main columns, the fixed beam of the top mold cylinder, the movable beam of the top mold cylinder, 4 auxiliary columns and round nuts. Together, the 4 main columns are fixed on the workbench by 4 round nuts, the upper beam of the main oil cylinder is fixed on the top of the 4 main columns by 8 nuts, and the main oil cylinder is installed on the beam in a reverse way; similarly, 4 The auxiliary column is fixed on the workbench by 4 round nuts, the upper beam of the top mold cylinder is fixed on the top of the 4 auxiliary columns by 8 nuts, and the top mold cylinder is installed on the beam in the form of reverse installation, and there is enough preload. The tightening force ensures that there is no gap or misalignment between the nut and the upper and lower beams during work. This article comes from the official website of WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!

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