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Forging hydraulic press is also called four-column hydraulic press, mainly used for metal sheet parts of stretching forming, turning over, bending and stamping and other processes, can also be used for general pressing process, forging hydraulic press can increase punching buffer, punching, moving table and other devices according to user needs. In addition to being used for forging and forming, the forging hydraulic press can also be used for straightening, pressing, packing, pressing and platen. It can also be used for the pressing process of shaft parts, the calibration, clamping, pressing process of profiles, and the bending, disputing, shaping, embossing, covering, stretching, the pressing process of plastic materials, such as stamping, bending, flanging and thin drawing operations, and can also be engaged in the correction, pressing, plastic products and powder products pressing and forming operations.
Hydraulic press mainly has three aspects, depicting, processing and device use of these three aspects. Because the first two aspects are the need to think about the production of equipment, the meaning of the user is not much, so today, mainly from the use of hydraulic press device, how to reduce the occurrence of this situation.
1. The contact surface of the hydraulic cylinder flange and the beam of the forging hydraulic press should be tightly touched by more than 80% of the area. However, because of the use of some hydraulic presses, the accuracy of this touch surface is damaged, and the supporting reaction force of the beam at the part of the touch increases sharply, resulting in early damage. The stiffness of the beam is not good or the reinforcement plate at the hydraulic cylinder of the device is not reasonable, which will also cause the reaction force on the touch surface of the flange to spread unevenly, resulting in excessive operating stress.
2, forging press cylinder flange and beam of the connection bolt is often loose, if not tightened in time, will lead to the cylinder movement and impact, so that the beam touch surface is constantly compressed, component touch. The bolt connecting to the new air purifier is tightened under the pressure of the hydraulic cylinder. Some small hydraulic press in the bottom of the cylinder with a clamp ring or key to tighten the cylinder and the beam, to avoid the loosening of the cylinder has a certain role.
3, the oil tank of the forging press equipment should do a good job of anti-freezing operations to avoid the formation of leaks. This is particularly needed in the winter, but also to do a good job in advance to prevent the operation. Secondly, the appropriate hydraulic oil should be replaced according to the change in temperature. The importance of hydraulic oil as a working medium to the equipment must now be obvious. The smooth operation of the forging hydraulic press must be in place, and the smooth oil should be added regularly to avoid damage to the hydraulic components.