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The die of hydraulic bending machine is a tool for sheet metal forming, which plays an important role in the development of die. The hydraulic bending machine consists of a bracket, a worktable and a clamping plate. The worktable is placed on the bracket. The worktable is composed of a base and a pressing plate. The base is connected with the clamping plate through a hinge. The base is composed of a base shell, a coil and a cover plate. The coil is placed in the depression of the base shell, and the top of the depression is covered with a cover plate.
When in use, the coil is electrified by the wire, and after being electrified, the pressing plate is attracted, so as to realize the clamping of the thin plate between the pressing plate and the base. Due to the use of electromagnetic force clamping, the pressing plate can be made into a variety of workpiece requirements, and the workpiece with side wall can be processed.
There may be some problems in the use of hydraulic bending machine.
Let’s talk about some emergency solutions for hydraulic bending machine failure.
1. Whether the solenoid coil of the relief valve of the proportional hydraulic bending machine is powered on, and whether the voltage of the proportional solenoid coil meets the requirements. If the fault is caused by the above reasons, please check the relevant electrical reasons.
2.Check whether the cartridge valve is stuck or the main valve core is stuck, and whether the damping hole is blocked. If the failure is caused by the above reasons, please remove the hydraulic bending machine mold relief valve, clean it, and then install it again.
3.Phase modulation of three-phase power supply causes the motor to reverse.
4.Check whether the oil level of the oil tank of the hydraulic bending machine mould is too low, the filling port is not submerged, and the filling liquid in the upper cavity of the cylinder will be empty when feeding quickly, causing the insufficient filling. If the fault is caused by the above reasons, the oil in the oil tank can be added more than 5mm above the filling port to completely submerge the filling hole.
5.Check whether the rapid feed speed is too high, resulting in the insufficient filling. If the fault is caused by the above reasons, the rapid feed speed can be reduced by modifying the die system parameters of the hydraulic bending machine.
6.Check whether the hydraulic filling type bending machines mold liquid valve is fully opened. If it is because of oil pollution, the valve core of the hydraulic filling valve is not flexible, and there is clamping phenomenon, resulting in insufficient liquid filling, it is necessary to clean the hydraulic type bending machines mold liquid filling valve and re install it to make the valve core flexible.