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Before investing in a new sheet metal processing machine and metal fabrication business, you’d better weigh your options. You may prefer a metal bending machine that the operator knows how to operate. But choosing the right press brake is critical to achieving accuracy and efficiency. Serve as two main types bending equipment, hydraulic and electric press brakes have unique advantages. The article is to provide you with an application guide for selecting a bending machine.
Press brake is designed to push power to precisely shape metal sheet, which has a punch or beam that moves up and down to push the punch into a die located on a fixed bed. The specific operation of different press brake varies somewhat in terms of power and construction
Hydraulic press brake come to effect with the help of hydraulic energy, while electric press brake depends on electricity.
Hydraulic press brakes are powered by hydraulic cylinders that utilize a pressurized fluid to move a punch that pushes the punch to apply force to the sheet metal for bending.
The electric press brake is driven by a generator with an electric thrust brake. Pistons moves up and down by bolts turned by an electric motor. Sheet metal is deformed or assumed a specific shape by the action of the press brake. The operator can adjust the speed and power of the bending machine to achieve precise bending and molding.
First and foremost comes the very basic point of difference that you as a businessman would like to understand- what is the price of the press brake. From the perspective of the initial cost, hydraulic press brake is lower than the electric press brake, but taking into account the later operation and maintenance factors, hydraulic bending machine is higher than the electric bending machine. Hydraulic press brake maintenance is complex and costly, which needs to regularly replace the hydraulic oil and filter elements, etc., and check the hydraulic system. While the press brake maintenance is more simple, you only need to replacement the motor ventilation and electrical wiring and other wear parts.
There are significant differences between hydraulic and electric press brakes in terms of efficiency and power consumption. An electric bending machine requires about twice as much power to produce the same metric ton weight as a hydraulic bending equipment.
Hydraulic press brakes typically consume more energy with transmission efficiencies of less than 80%, which are stable under high loads, but are less accurate and less efficient.
In contrast, electric press brakes (especially automatic electric servo-driven type) energy efficiency of more than 90%, mechanical main drive efficiency of more than 95%, and only in the downward pressure process of power consumption, high energy efficiency, can save 30% of the electricity bill.
From the standpoint of precision and accuracy, hydraulic press brake and electric press brake each have their own characteristics. Hydraulic press brakes are known for their strong power and stable working performance, but when dealing with high precision requirements, they may be affected by the characteristics of the hydraulic system, such as oil temperature and oil pressure, resulting in fluctuations in accuracy.
In contrast, the electric press brake has significant advantages in terms of precision and accuracy，which adopts advanced servo motors and CNC systems, enabling finer angular control and higher processing accuracy. At the same time, the fast response speed of the electric press brake can quickly adjust the processing parameters to meet a variety of complex processing needs.
Advantages of Press Brakes
Hydraulic bending machines and electric bending machines differ greatly in application. Hydraulic bending machine is commonly used in large, heavy plate processing, such as building structural components, large mechanical components, etc., its powerful bending force to meet the high load requirements. While the electric bending machine is widely used in small quantities, high precision requirements of the field, such as high-end automobile manufacturing, electronic product shells, etc., its high precision and high repeatability has been fully verified. In addition, electric bending machine is also suitable for customized production, can quickly change the mold to adapt to different design needs.
| Hydraulic Press Application | Electric Press Application |
| metal forming (bending, drawing, stamping) | precision assembly (bearing, sleeve) |
| Forged | components test |
| powder pressing | crimping |
| deep drawing | bonding table |
| baling | hem |
When choosing the right machine for your business, there are several important factors you should consider in order to make a sound decision:
When it comes to decide which type of press brake to use, please consider your business cost, production capacity, and energy efficiency goals. In addition, selecting according to the common application of the bending machine is a faster method. In addition, the selection of the press according to the common application of the press is a faster method.
Hanchine Flexible Automation is a source strength sheet metal bending machine manufacturer integrating production and sales with a history more than 20 years, the main products including but limited to hydraulic ＆ electric press brakes. If you are interested in purchasing a press brake now, you can contact our sales personnel.
