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The bending machine is an important equipment for bending and forming workpieces in the sheet metal industry. Its function is to press steel plates into various shapes of parts according to process requirements. As shown in the 'Structural Schematic Diagram of Hydraulic Plate Bending Machine', the frame is mainly composed of left and right columns, workbenches, and crossbeams. The left and right oil cylinders are fixed on the columns, and the slider is connected to the piston of the oil cylinder to move up and down along the guide rail fixed on the column. The lower mold is fixed on the worktable, and the upper mold is installed at the lower end of the slider. The hydraulic system provides power, and the electrical system provides instructions. Under the action of the oil cylinder, The slider drives the upper mold downward and closes with the lower mold to achieve the bending of the sheet metal. The left and right pillars, workbenches, and sliders (hereinafter referred to as the three major components) are key components of a bending machine, and the total weight of the three major components accounts for 70% to 80% of the total weight of a bending machine. Its strength and rigidity directly determine the operating accuracy, service life, and workpiece accuracy of the machine tool.1. The slider part: adopts hydraulic transmission, and the slider part is composed of the slider, oil cylinder, and mechanical stop fine adjustment structure. The left and right oil cylinders are fixed on the frame, and the piston (rod) is driven by hydraulic pressure to move the slider up and down. The mechanical stop is controlled and adjusted by the numerical control system;2. Workbench part: Operated by a button box, the electric motor drives the stopper frame to move forward and backward, and the CNC system controls the distance of movement, with a minimum reading of 0.01 millimeters (both front and rear positions have travel switch limits);3. Synchronization system: This machine is a mechanical synchronization mechanism composed of torsion shaft, swing arm, joint bearing, etc., with a simple structure, stable and reliable performance, and high synchronization accuracy. The mechanical stop is adjusted by the motor, and the numerical control system controls the value;4. Material blocking mechanism: The material blocking is driven by a motor, which drives two screw rods to move synchronously through chain operation. The CNC system controls the size of the material blocking.