Panel bending machine: application advantages and ...

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It is well known that almost all sheet metal processing companies use sheet metal bending machines.

However, those who have experience operating press brakes understand that, regardless of whether it is an ordinary press brake or a CNC press brake, whether it involves large, heavy parts in the distribution cabinet and elevator door industry or small parts in appliances. kitchen and air conditioning industry, and whether it involves parts produced primarily in batches or custom one-offs, using a press brake can be taxing both mentally and physically.

As a result, in today's sheet metal processing industry, it is common for no one to want to be a press brake operator. Even when the role is offered as an apprenticeship and the company offers higher salaries than technical CNC drilling workers, few individuals are willing to take on the role.

This led to the emergence of CNC panel bending machines.

This post will analyze and introduce the CNC press brake in reference to the press brake.

Panel Bending and Press Brake Features

CNC panel bending machine differs from bending machine in principle and offers superior guarantee for bending accuracy and sheet metal protection. Furthermore, tool replacement is smarter and more convenient, and there is less demand for operators with high proficiency.

Bending principle of panel bender and press brake

The press brake adjusts the downward stroke of the upper punch to control the bending angle.

During bending, the short side is on the inside, so the operator needs to support most of the material on the outside. Furthermore, the operator needs to hold the plate during the bending process to follow its upward movement.

To bend large parts, two or more employees are required.

If there are bending demands in different directions for all one-edge bending processes, it will be necessary to manually turn the material repeatedly.

The panel bender works by placing the sheet on the work table, fixing it with the edge pressing beam and bending it by turning the beam up or down.

The panel bender eliminates the need for manual positioning, auxiliary positioning and reversing in all single edge bending processes.

Bending precision and consistency

(1) Dimensional accuracy.

The accuracy of the dimensions controlled by the press brake is the accuracy of the short side dimension of the backstop positioning. Once the bending process is complete, any errors are accumulated and carried to the next bending step, resulting in an accumulated error that is concentrated in the final dimension of the forming.

On the other hand, the precision of the dimensions controlled by the panel bender is based on the fact that the outer edge serves as a reference point for each folding operation. Any dimension errors tracked are concentrated only in the first fold and have no impact on the other dimensions.

(2) Angle accuracy.

The bending angle in the press brake is determined by the downward stroke of the upper punch, which is directly related to the thickness of the material.

On the other hand, the panel bender directly controls the bending angle and the thickness of the material has minimal impact on it.

(3) Consistency.

The dimensional accuracy of each side of the press brake is ensured by the positioning of the backstop, but this accuracy can be inconsistent due to various external factors.

The angle of the workpiece is determined by the position of the ram. Ram control positioning accuracy and hydraulic system temperature conditions have a significant impact on angle accuracy.

The servo motor of the press brake controls the positioning accuracy and angle processing of the workpiece, ensuring consistent size and angle processing.

Protection against scratches on metal sheets

During operation of a press brake, material moves relative to the plate, which can result in indentations if the plate surface is not protected. Furthermore, when one side of a large part requires multiple processing techniques or bending, it needs to be turned and moved several times, which can cause scratches.

However, when using a panel bender, there is no relative movement between the pressing beam die or bending beam die and the plate. As a result, superficial scratches can be avoided.

Furthermore, when working with multiple processing techniques on one side or when bending large parts, the sheet metal can be placed horizontally on the work table for processing. After the first positioning, all necessary processing can be carried out on one side of the part without having to move it, completely avoiding surface scratches.

Tool configuration

As the bending die is used to create the fixed bend line and form the angle of the parts, it is necessary to change the tool or machine when bending different materials, thicknesses, angles and even special structures.

Furthermore, when edging is required or when the bending process impacts bending, multiple sets of dies with different lengths are required to complete the processing of the same workpiece (see Fig. 1).

In these cases it is necessary to replace and readjust the mold, or even replace the machine tool.

Fig. 1 Bending of the part affected by the sequence

The panel bender uses two sets of molds to achieve fold line fixing and angle formation respectively. The spacing between the two sets of molds can be automatically adjusted to realize angle forming for various materials, plate thicknesses and R-angles.

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To obtain hems, bends with arbitrary angles, bend arcs and other requirements, different control programs can be selected. The cooperation between the two sets of pressing and bending dies facilitates the processing of the workpiece.

During the bending process, if the length of the die needs to be changed, the program can be adjusted at any time for automatic switching. There is no need for additional debugging after matrix replacement.

Operation requirements

Programming and operating a bending machine requires a high level of technical skill from benders, especially for parts with complex bending processes.

The panel folder program can be developed offline using programming software. By importing 2D or 3D graphics and using simple drag-and-drop configurations, machining code can be generated automatically.

During the programming process, the system can also provide automatic warnings for bending interference.

Once the program is transferred to the panel bender via a network cable or USB disk, operating the machine is a simple process of loading and unloading and pushing buttons.

Industrial application advantages of CNC panel bender

Industries such as switch cabinets and elevator door panels with large, heavy parts, as well as those with small, light parts, such as kitchen cabinets and air conditioners, are paying significant attention to panel bending machines.

According to preliminary statistics, CNC panel bender has been widely applied in various industries, including switch cabinets, elevators, household appliances, kitchen cabinets and medical equipment.

The following objective is to share the advantages of using panel bending machines in the electrical panel and cabinet industries, which are widely adopted.

Distribution cabinet industry

Switchgear products (as shown in Figure 2) are characterized by their large size, heavy weight and potential danger. Furthermore, there are specific accuracy requirements for the final dimensions of the formed products.

Fig. 2 Distribution cabinet parts

Using a conventional press brake for processing requires at least two operators to handle the workpiece and bend the iron plate one by one according to the speed of the machine. This method is very demanding on workers and can result in unstable error control. Furthermore, the heavy workload significantly limits daily production capacity and poses significant safety risks.

On the other hand, a panel bender requires only one person to operate, which can work together with automatic loading and unloading. The workpiece is placed flat on the working platform and the machine automatically performs edge changing and bending processing. This process is not affected by human factors and results in precise bending without deviation.

In short, the panel bending machine not only saves time and labor, but is also safer and more efficient.

cabinet industry

Cabinet products (Figure 3) are characterized by relatively thin sheets, but the processing requirements are more complex.

Fig. 3 Cabinet Product Parts

When using a press brake to bend, it is important to check the unfolding size of the parts according to the drawing specifications. After ensuring there are no errors, the appropriate tool needs to be selected for configuration and matching, followed by programming as needed.

This entire process requires a high level of work experience from workers.

Furthermore, for rounded edge packaging and special processes, multiple sets of tools or machines need to be changed when using a press brake, making it a time-consuming and labor-intensive task.

On the other hand, a panel bender simply requires input of the sheet metal size and forming size, and the programming software automatically generates a rational bending program.

The panel bender's universal bending tool can save significant time by reducing or eliminating the need to change bending tools. For kitchen utensils with various special process requirements, panel benders can easily complete processing and bend parts that meet the requirements more quickly and economically.

Panel folder development perspective

With its automatic production capabilities throughout the entire process, the CNC panel bending machine offers several advantages over multiple sets of bending machines alone. It can also achieve automatic production when connected to punch presses, laser cutting machines and other machine tools. In addition, it can be used with intelligent management software and multi-row material warehouses, providing customers with a complete set of intelligent chemical plant solutions.

Faced with today's challenges of &#;difficult employment&#; and &#;expensive employment&#;, an intelligent and efficient automatic production line can significantly reduce labor requirements and production experience. Customers can achieve greater production capacity and income while minimizing labor costs.

Recommended for you:

• Panel bender: the definitive guide
• Press Brake FAQ: Get Your Definitive Answers
• Press Brake 101: the definitive guide
• Pressure Brake Dies: The Definitive Guide
• The Complete Guide to CNC Machines: Everything You Need to Know
• Buy press brakes: 4 principles and 7 factors to consider

With their robust capabilities and versatile applications, Busbar bending machines have truly revolutionized the electrical and manufacturing industries. Featuring programmable automation, these machines have become indispensable in several sectors, including the decoration and electrical appliance industries. Let&#;s delve deeper into understanding the purpose of these formidable machines.

What is the purpose of the busbar bending machine?

Manufacturing and Construction Units

Busbar bending machines are pivotal in large-scale manufacturing enterprises and engineering construction units. These machines primarily process conductive materials such as copper and aluminum busbars of various shapes. They are integral in producing switch cabinets, transformers, and generator busbars.

Decoration and Decoration Industry

In decoration, the application of CNC bending machines is quite remarkable. These machines fabricate stainless steel plates, doors, and windows and even decorate some areas. Their precision in bending allows for creative and intricate designs that enhance the aesthetic appeal of spaces.

Electrical Appliance Industry

The electrical appliance industry significantly benefits from the use of busbar bending machines. The plate shearing machine cuts plates into different required sizes, which are then shaped into the desired form using a busbar bending machine. This process ensures efficient production of electrical appliances with exact specifications.

CNC Bending Machine

CNC bending machines have widened the horizons of several industries. Similar to its application in the decoration industry, in the electrical and power industry, it cuts plates into different required sizes and processes them into the required shape using a busbar bending machine.

Programming Automation

One of the key purposes of using a busbar bending machine lies in its ability to automate programming. The software used can be integrated with the punching and shearing machine. For workpieces that require extensive bending, it can automatically find the bending sequence, simulating the bending process to avoid errors.

Conclusion

In conclusion, the busbar bending machine has become an essential tool in various industries with its diverse applications and capabilities. These machines have repeatedly proven their worth, from manufacturing and construction units to the decoration and electrical appliance sectors. Their precision, versatility, and programmable automation make them a formidable asset in today&#;s industrial world.

FAQs

What is a Busbar Bending Machine?

A Busbar Bending Machine is a device used to bend conductive materials such as copper or aluminum busbars into various forms for applications like switch cabinets, transformers, and generators.

How is a Busbar Bending Machine used in the decoration industry?

In the decoration industry, CNC bending machines produce stainless steel plates, doors, windows, and decorations for specific areas.

What role does a Busbar Bending Machine play in the Electrical Appliance Industry?

A plate shearing machine first cuts plates into different required sizes in the electrical appliance industry. These are then processed into desired shapes using a busbar bending machine.

What is the function of a CNC Bending Machine?

CNC Bending Machines have wider applications in several industries. They cut plates into different sizes and then bend these cut pieces into the required shapes.

How does Programming Automation work with a Busbar Bending Machine?

The software used with a Busbar Bending Machine can be integrated with a punching and shearing machine. It can automatically find the bending sequence for workpieces that require extensive bending, thus simulating the bending process and avoiding errors.

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