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What is the difference between hydraulic bending machine and CNC bending machine?
Casting technology has a long history in our country. The overall cost of the workpiece is very low, mainly by smelting the metal into a liquid, and then pouring the liquid into a specific forming mold. After the liquid metal is cooled, a shaped casting is formed. The casting technology is to burn some steel material in a charcoal fire, and then quickly pull the red steel out and put it into an air hydraulic hammer for forging.

Bending machine blade mould

The reason why CNC bending machine molds choose forging instead of casting is because casting generally requires steel mills to produce rolled blanks, and steel mills are willing to produce when there are many standard parts, but standard parts for CNC bending machine molds Generally not many, it is not very cost-effective to use castings in general.

Numerical control bending machine molds also have high requirements for strength. Castings are prone to bubble formation during the production process, which makes the strength not as good as forgings. Forgings are forged by air hammers, and the interior will be more rigid, so the strength will Larger, so CNC bending machine molds generally choose forging rather than casting.

The CNC bending machine is an ordinary hydraulic bending machine with a CNC operating system. It is an upgraded product of the ordinary bending machine. Frequent process conversion can reduce the labor intensity of the operator. However, the operating skill of the operator is higher than that of the ordinary hydraulic press brake.

Compared with the hydraulic bending machine, the CNC bending machine is characterized by its CNC operating system. This is an upgrade to the ordinary bending machine, which reduces the labor of the operator and enhances the processing efficiency. But at the same time, the operating requirements and skills of CNC bending machines are much higher than those of hydraulic bending machines, and they are relatively complex. The CNC bending machine has a multi-step programming function, which can realize multiple automatic operations and complete the one-time processing of multi-step parts.

In the hydraulic bending machine, the coil is energized by the wire, and the gravitational force is generated on the pressure plate after the energization, so as to realize the clamping of the thin plate between the pressure plate and the base. Due to the electromagnetic clamping, the pressing plate can be made into a variety of workpiece requirements, and the workpiece with side walls can be processed.

The hydraulic bending machine includes a support, a workbench and a clamping plate. The workbench is placed on the support. The workbench is composed of a base and a pressure plate. The base is connected to the clamping plate through a hinge. The base is composed of a housing, a coil and a cover. The coil is placed in the recess of the seat shell, and the top of the recess is covered with a cover plate. When in use, the wire is energized to the coil, and the gravitational force is generated on the pressing plate after being energized, so as to realize the clamping of the thin plate between the pressing plate and the base. Due to the electromagnetic clamping, the pressing plate can be made into a variety of workpiece requirements, and the workpiece with side walls can be processed.

CNC bending machine and CNC folding machine