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Press brake machine

Brake Press is a machine that bends, folds or shapes sheet metal. As the name suggests, these types of press machines belong to the press family. What sets them apart from other presses is the word “brake” which is originally from the French Word Bras meaning handle or lever, which was used to limit something and control it. In the past, handles used to do things like stopping the steam engine and levers used on trains to control speed were called brakes, and the person who used these tools was called brakeman. Unlike other press machines, in these types of machine, the upper jaw is completely controllable and this control creates the desired shapes in sheets and parts, so they are known as brake press machines. Today, these devices are widely used in many industries such as metal industries, home appliance industries, automotive industries, etc.

Types of break press machine | advantages and disadvantages

The mechanism of action of brake press machines is that 2 molds are fastened to the ram and the bed. The top mold is called a punch, which has a sharp head that fits the needs of the customer's products. The bottom mold is called the die, which has a shape that complements the punch (for example, if the punch is sharp, the die is V-shaped). During bending operations in these types of press machines, the metal sheet, placed between the punch and the die, is pressed towards the die. This causes the area of the sheet that is affected by pressing to take the shape of a die (i.e., in this example, a V-shape) and the bending process is performed across the width of the sheet. Then, when the bending reaches the desired angle, pressing is stopped and the workpiece is removed from the machine.

What is a brake press?

Due to the widespread use of these types of machines in different industries and different applications, there have been variations in their construction. This diversity is sometimes depicted in their size, tonnage, amount of force, speed and performance. One of the most important features that can differentiate between brake press machines is the type of transmission force. Accordingly, brake press machines are divided into four main categories:

Types of press brake machines

  1. Mechanical brake press

  2. Mechanical brake press machines were the most popular in the world until 1950, but with the advent of computer science and its use for more precise control, hydraulic brake press machines replaced mechanical ones.

    In these machines, the power is transmitted to the ram by the flywheel and the crankshaft. The presence of the flywheel on top of the brake press easily distinguishes it from other press machines. In terms of strength, these types of press machines have less power compared with hydraulic ones. In other words, they are not suitable for bending and forming thick sheets. However, their operating speed is higher than that of hydraulic machines. Sometimes, by changing the mold and punch, this type of press machine is used for cutting sheets, grooving, and drilling, in addition to bending and shaping. The maintenance cost of this type of press machines is less than that of other machines.

    Mechanical brake press

    Since the frame of this type of press machines is very important, professional and reputable manufacturers try to use interlocked design in their construction. The important components of this type of press machines are like other press machines, except that they do not have cylinders. These machines are mechanical and their control system is not advanced, and they rarely have light curtain protection.

  3. Pneumatic brake press machines

  4. One of the least used brake press machines is the pneumatic brake press, which is also called air brake press. These type of machines have low power but high speed and are usually made in small or medium sizes. The pneumatic brake press machines have a large cylinder (Air Cylinder) that provides the driving force of the upper jaw. Due to the advent of electric press machines, which have a simpler structure, pneumatic press machines are becoming obsolete and are now manufactured only by a limited number of companies, including kempler, krrass , Atek and a few others.

    Pneumatic brake press machines

  5. Hydraulic brake press

  6. As the word “hydraulic” suggests, the driving force of this type of press is hydraulic and the upper jaw moves the ram of the machine by the force created in two hydraulic cylinders. Hydraulic press machines are the most widely used in the industry - especially in the metal industry - and are doubly popular in the market due to their high power and various capabilities. Based on the direction of movement, these presses are divided into two general categories:

    1. Up-Moving Brake press
    2. Down-Moving Brake press

    Hydraulic brake press

    Hydraulic brake press machines are divided into the following types:

    Based on synchronization

    1. Torsion Synchronization Brake Press
    2. Hybrid Brake Press
    3. Electro-Hydraulic Synchronization Brake Press

    Components of hydraulic brake press:

    1. Frame, Slide or Ram, Workbench, and Hydraulic Oil Cylinders
    2. Hydraulic Proportional Servo System, Back gauge, Punch, and Die
    3. Position Detection System, CNC Controller, Programmable Logic Controller (PLC)

  7. Servo-electric brake press

  8. With the advent of servomotors and their versatile efficiency in the industry, the manufacturers of brake press machines sought a way to utilize the advantages of these servomotors in making brake press machines. The manufacturers believed that instead of using hydraulic, pneumatic, or mechanical systems, they could use the power of servomotors to move the jaws of these machines. These brake press machines transmit the power of the server motors to the ram of the server through a ball screw and a belt. The three most important features of these brake press machines are very low energy consumption (60% less than hydraulic brake press machines), and low maintenance cost and noise. It is worth noting that these types of brake press machines are mostly used for bending or forming relatively thin sheets.

    Some of the presses used today to form relatively thin sheets (less than 3 mm) are electric presses that do not use hydraulic propulsion. Simply put, there is no hydraulic oil in this type of press and it is free of any pumps, tanks and fluid transfer pipes. Therefore, no pollution occurs in the workplace and they are environmentally safe machines. These types of press brakes are also economical in terms of maintenance costs and have lower costs than hydraulic presses.

    Instead of hydraulic oil tankers, hydraulic pumps, filters and purifiers, these machines are equipped with a servo motor that works with mini PLC. To prevent the crowning problem, the power generated by the servo motors is uniformly distributed along the entire length of the machine by the rollers installed on the back of the machine.

    Another advantage of electric press brakes is that they make very little noise and also replace parts quickly. Their accuracy is relatively high and they have relatively low depreciation. As mentioned before, these presses are used for light work and their workplace should be free of any contamination.

    Some consumers do not believe that electric press brakes are less expensive than other presses. But the fact is that electric press brakes consume up to 60% less energy than other machine, especially hydraulic press brakes. The reason is that, when the upper plate of the press (mandrel) does not move, the servo motors are off and It starts moving when the pedal button is pressed. In other words, whenever the operator does not work with the machine or is replacing the work piece, the machine is off and does not work.

    Another advantage of electric press brakes is the lack of restrictions on the length of the bend and the reason is the lack of bottlenecks in the structure of these machines.

    best press brake

    The standard sizes of press brake machines are 3100 by 2600 and 2100 by 1600 and they offer a tonnage between 40 to 100 tons.

    When buying a press brake machine, pay attention to the distance between the edge of the mandrel holder blade and the edge of the plate on which the matrix is closed, which is called Daylight. This distance allows for various and hassle-free bends. The distance between the edge of the mandrel and the matrix also affects choosing the machine, which is called Strock.

    Servo-electric brake press

  9. CNC Brake press machines

  10. CNC brake press machines, also known as electro-hydraulic servo brake press machines, have so much precision, speed and programmability that they are used in mass production and precision. The bending action of this type of brake press machines is very user-friendly due to having PLC and a touch screen, as well as the ability to program and view demos on the touch screen. By entering information such as sheet thickness, sheet material, bending tip, etc., the adjustments are done automatically and the desired shape and form are created. Click for more information about CNC brake machines.You can also contact technical support for more information on technical specifications, purchasing and trading.

CNC Brake press machines

Price of press brake machines

In order to get a quick price, dear applicant, we ask you to carefully consider all the following items, because incomplete information may not achieve the desired result and you may make a wrong decision in purchasing or making an inquiry. As you know, there are many parameters that can affect the price of a press machine. These parameters are divided into two general categories. 1- Technical parameters 2- Commercial parameters

Inquiry price press brake

Technical parameters are parameters such as: press brake tonnage, span size, bending accuracy, automation during loading and unloading, being a CNC machine or not, machine frame integrity, machine frame type, type of driving force (hydraulic, Pneumatic, electric or combined) and power transmission system. The motion transmission system in press brake machines can be using servo electric motor and ball screw, servo electric motor and belt or hydraulic cylinder. FactorNeed experts believe that we should have full knowledge and awareness of what we want to buy before buying. In other words, a good and correct purchase will be a purchase in which you have relatively enough information about the types of press brakes and how they work (for this purpose, we have tried to compile information about the types of press brakes and their type of operation, and We have put it on our blog page. If you want to get more information about press brake machines, you can refer to that page or click on more information about press brake machines.

Types of press brakes:

Press brakes, like other presses, in terms of efficiency and method of power generation and its transfer to different types, including hydraulic press brakes, pneumatic press brakes, electric press brakes (servo electric), mechanical press brakes and Hybrid press brakes are divided. Each of which has many disadvantages and advantages. Hydraulic press brakes are used to create high tonnages and thus to bend the thick sheets. Pneumatic type is also used to create high-speed bends in sheets with a less than 1 mm thick, which are less considered due to some problems and inability to create various bends. Mechanical press brakes are powered by an electric motor and a flywheel, and are transmitted by a clutch and crankshaft system. Electric press brakes also called servo-electric brakes, use a power generation system by a servo motor and power transmission by a ball screw system.


In general, about 8 tons of force is required to bend sheet metal with a length of 1 meter and a thickness of 1 millimeter. However, the choice of tonnage of a press brake depends on 5 main factors:

  1. Material or material of parts:

  2. Different tonnages are selected for different materials. As we all know, aluminum requires less bending force than carbon steel sheets.

  3. Thickness of parts:

  4. The thicker the parts, the more force is needed to bend it. The choice of machine must follow the rule of 80-20. In order to the machine you are considering to be able to support 80% of the current needs and 20% of the future needs. Normally, when choosing press brakes, it is tried to consider its power level up to 30% more, which can be handled if the material or thickness of the parts is different.

  5. Bending length:

  6. The longer the bending length, the more bending force is required because the tensile and compressive stresses of the sheet must be overcome. Excessive length will cause the phenomenon of crowning, which is referred to as post-bending of the sheet. In some press brakes, this defect is eliminated automatically, but in older models, this problem should be prevented by manual and mechanical solutions. As a result, having an option that can overcome this phenomenon also increases the price of the machine. There are several types of Crowning systems.

  7. Mold opening size:

  8. If you want to use V-shaped molds, you should note that the smaller the mold opening, the more force is required to bend the sheet. The size of mold opening is also called Vees.

  9. Type of bending process:

  10. Performing any bending process that is done by air bending, by tapping or to create various bends on the sheet (by composite molds), different forces are required. In the table below provided by the reputable company JMT, you can calculate the amount of tonnage you need.


Numerical control system:

Some press brakes are equipped with NC or CNC system. The reason for using PLC numerical control systems in press brakes is to help to produce more accurate, easier to use and perform bending calculations automatically. Many companies are active in this field.

Production system automation:

Press brakes can be equipped with power supply and automation systems in loading and unloading parts. In general, the feeding operation of press brakes is done in 3 ways. The first is to be done by an operator or human agent. Second, by the automatic feeding system that is usually produced with the press machine (these are called fully automatic press machines), and finally the feeding system made by robots, which is called Automation Cell. How the parts are loaded and unloaded is up to the buyer and has a great impact on the price of the machine.

Material of parts and systems used in press brakes:

As mentioned, there are different parameters for selecting the best price of press brakes. The automation systems, numerical control system or PLC and tonnage were discussed above. But the point to be considered is that in addition to the shape of the molds and their application, the material of the molds (mandrels and matrices) can also be different for each sheet. The difference in the type of molds and their design so that it can meet the needs of production has led to the construction of different types of molds in this field. As a result, choosing the right mold with the intended process can also change the price range. The mold installation system can be designed magnetically, using a clamp system or automatically, which are designed and manufactured according to the buyer's choice.


Another factor that causes price fluctuations in press brake machines is the brand and the manufacturer. Peripherals and equipment used in press brakes can be provided by reputable brands and experience higher manufacturing quality. The better the brand and the longer the lifespan of the equipment and supplies used to make the presses, the higher the price of the machine.

Machine form integrity:

The body of press brakes, like other presses, can be produced in one piece or in several pieces. Body structure is one of the most important parts of any press machine, which has a decisive role in accuracy, capability, function, lifespan and of course its price. Multi-piece press brake machines are generally connected to each other by connectors that may vibrate and change position over time and lose their accuracy. Press brakes with this type of structures are more reasonably priced and their production time is less than different types of press brakes with integrated body. Integrated bodies are produced by the method of permanent and strong connection, which are more efficient and accurate due to their high price.

Now, in addition to the above, collecting technical information of the product in terms of dimensions, material, production circulation, type of bend (in case of complexity must be with the product plan), dimensional tolerances and the condition and accuracy of angle and radius of bend, it should be considered when buying so that you can easily follow the 80-20 rule.

There is a famous saying that low information makes big mistakes. Another way to get technical information is to negotiate with several Press Brake manufacturers and get technical information from them. Ask the manufacturer for any information or topics that you are unfamiliar with or that are unclear to you. Do not pay attention to the price of the machine at first, pay more attention to your current and future technical demands. One of the best ways to buy industrial machinery is to compare the technical information of two or more companies. Comparing the technical aspects of the machines can shed more light on you. Try to consult with expert consultants who are well known in the field and ask important points.

Business parameters are parameters related to items such as company brand, country of manufacturer, distance from manufacturer country to destination, type of shipment - if it is a foreign purchase - order registration costs, clearance, warehousing, insurance, bank charges and customs duties and taxes.

Inquiry best price press brake

Useful points for buying a Burke press machine

After reviewing and selecting the press break machine, which is in accordance with your criteria and level of expectation from the manufacturer and the machine, you should receive all the technical and ancillary information of the machine from the manufacturer of the press break machine. Virtual exhibitions such as can even be used to learn more. Such virtual exhibitions provide the possibility of comparing different machines by providing videos and photos of CNC press breaking machines, etc.

 Prices of press brake machines (CNC):

If financial resources are limited or you need a CNC press machine at a reasonable price depending on the type of work and production, you can also consider second-hand CNC press machines or second-hand CNC bending machines. Give. Of course, second-hand press brake machines have advantages and disadvantages, but if the purchase process is performed properly, it can be profitable and highly profitable.

Here are 12 key pointers in moving your Burke presses down:

  1. Brake presses are made in different capabilities and tonnages. Therefore, specify your goals and desires before buying.
  2. Be sure to specify the Bending Length you need when shopping. Note that the molds of this machine can be made smaller and larger, so it is better that you specify the maximum length of bend that you need and get smaller lengths by replacing the large mold with a smaller mold on the same machine.
  3. Note that the press break machine in question has the ability to compensate for the crown shape (Crowning) on the sheet to obtain a uniform bend along the length of the sheet bend.
  4. Specify the size and dimensions as well as the weight of the device according to your workspace.
  5. These devices are produced with different operating speeds. Be sure to pay attention to the working speed of the device when buying.
  6. Top (mandrel) and bottom (die) molds are produced with different qualities. Depending on the material of your sheet metal, order a mold of suitable quality.
  7. Burke presses are produced in different types such as manual, semi-automatic, fully automatic (CNC) and robotic. You should choose one of them according to your budget and needs.
  8. Press break machines have automatic mold replacement systems that provide high speed and time saving when changing the mold. Therefore, if you need such a system, be sure to discuss it with the manufacturer.
  9. Be sure to pay attention to the type of PLC systems and their brand when buying. Because controller systems play an important role in the quality of work.
  10. Pay attention to the general specifications of the device, such as the body, work table, ROM, guards, holders, etc. of the device.
  11. The power supply systems of press brake machines are made in different types. Like manual, automatic, robotic you have to specify.
  12. Be sure to pay attention to the amount of bending systems in these devices. The best bending detection systems are laser types.

MCMachinery company:

This American company is in the field of designing and manufacturing various types of metal industry machines, including laser cutting machines, guillotines and EDM machines. It also has a long history in the production of chipping machines and burrs. In the video below, you can see one of the press breaking machines of this company. In this video, two press break machines are compared with each other, which shows the speed and accuracy in performing the work.

Prima Power Company :

The video you see below about press brake machines has a servo-electric power generation and transmission system that can be programmed and guided by CNC.