Electric Press Brakes Vs. Hydraulic Press Brakes

Electric Press Brakes Vs. Hydraulic Press Brakes:

When you're considering buying a new press brake to replace your old one, you may be hesitant about what kind of press brake you should buy. There are various types of press brakes, electric press brakes, hydraulic press brakes, and hybrid press brakes on the market today. The most purchased ones are electric press brakes and hydraulic press brakes. If you are planning to buy one of these types, in this article we will explain to you how they differ. Please read patiently!


 

What is a Hydraulic Press Brake

Hydraulic press brakes are the most common type of press brakes and the type with the highest market share. Hydraulic press brakes can handle the heaviest workloads. While 100-300 tons are common tonnages, they are manufactured in sizes up to 3000 tons in lengths of 50 feet.

Features

Hydraulic press brakes are a good choice if your job requires simple bending and does not require super precision. With a low initial cost, if your shop needs a reliable heavy-duty press and is on a budget, a hydraulic press brake is for you.

 

What is an Electric Press Brake

The Electric Press Brake machine, also referred to as Servo Electric Press Brake uses electricity as its power source and does not require any additional equipment or installation.

A servo-electric Press Brake makes use of a servo-motor to make the ram move vertically.

Electric Press Brake machines have been gaining popularity because they offer a cost-effective solution for light-duty jobs. They can be used for a variety of applications such as bending and forming metal sheets, bending and forming metal tubing, etc.

Features

In terms of bending accuracy, electric bending machines are superior to hydraulic bending machines. This type of machine is ideal if you are manufacturing complex or multi-piece parts with little or no room for variation. If your project is using expensive materials, an electronic bending machine is a wise investment; the reduction in scrap will pay for the up-front cost of the machine more quickly. Electronic bending machines are an option for workshops that need to improve cycle times, improve bending accuracy, and save energy bills.

 

Hydraulic Press Brake vs Electric Press Brake

Now that you know the basics, let's see what the main differences are.

1. Power Consumption and Efficiency:

Experts say that electric press brakes use about two times the electrical energy as hydraulic brakes do to deliver the same tonnage. However, the hydraulic motors, pumps, and oil used by hydraulic press brake for its operation keep the machine constantly running even when it is idle.

Therefore, electric brakes are more efficient and are considered to consume less power because the motor is used only during bending and turns off while the machine is idle.

2. Cost:

Maintenance of hydraulic brakes such as changing of oil and filter, fixing seal and line leaks, etc. make it expensive to use hydraulic press brakes. As well as this, due to the variable viscosity of the oil used by the hydraulic press, the angle you get at the beginning of the day may differ from what you get at the close of the day.

This can result in more scrap being developed by the machine, as more trials are necessary for the same bend. Also, the continuous energy consumed by the gear pump during the machine’s idle time will add to the cost of using hydraulic press brakes.

In order to be more efficient, some people install energy-saving enhancements, such as timers and variable displacement pumps. These halt the main motor during idle time to reduce costs and are an addition that should be put into consideration when buying a hydraulic brake. 

3. Speed:

Hydraulic press machines have a faster approach speed compared to electric press but have slower ram acceleration and deceleration into positioning because of the oil-powered motor. Hence, the Electric press has a quicker output as it has a higher bending speed.

4. Environmental Pollution:

We already stated the fact that hydraulic pumps work continuously even when the machine is turned off. If you’re looking for fuel efficiency and cleaner energy, hydraulic pumps would not be the best option here. As well as this, for noise pollution, the hydraulic press will make noise all day as long as it is turned on.

Electric presses are silent when they are not in use, and the only sound you hear when they are in use is that of the spinning ball screw. For immediate environmental concerns, hydraulic presses (while not often) can also cause oil spillages in the fabricator shop – which can have detrimental effects on the local community.

These features, coupled with the less power consumed by Electric press brakes, make them considered to be more eco-friendly than the traditional hydraulic press brakes.

5. Accuracy:

Electric press brakes have higher precision than hydraulic press brakes. Expert says that electric press brakes can offer up to an accuracy of 0.000079 inches or 1 micron, while hydraulic press brakes can reach an accuracy of 0.0004 inches (10.16 microns). 

 

Which Type of Press Brake is Better for You

Take a look at your work orders. Is your current press brake keeping up with your workload?

Do you have employees that are excited and willing to learn new software?

Think about your future business goals. Want type of contracts are you aiming for? And which press brake will suit those goals?

Conclusion

That’s all there is to know about hydraulic vs electric press brakes. That’s all for electric and hydraulic press brakes, you can go ahead and choose the type that best suits your conditions, depending on your situation, budget, requirements and preferences.

If you need to buy a bending machine, then please contact us. As one of the largest press brake manufacturers in China, we are able to help you find the right press brake for your project.

If you want a price, fully catalogue or other informations, pls contact us

Please learn about the production of Press Brake through the video