Bending machines

Buy a CNC press brake and achieve high precision and efficiency when bending sheet metal! Bending technology from ACCURL Europe offers maximum precision and process reliability, is equipped with high-quality components throughout and can be almost completely automated. The hydraulic press brakes are characterized by state-of-the-art control technology, ease of operation and numerous configurations.

Features

Features of the press brakes from ACCURL

Every ACCURL laser cutting machine is built around proven safety architecture and intelligent control systems formaximum uptime and operator confidence.

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CNC control technology

The press brakes from ACCURL are equipped with state-of-the-art CNC controls from Delem as standard: cutting-edge technologies that allow users to get the most out of their press brake and are easy and intuitive to operate. Alternatively, the machine can also be equipped with control systems from ESA or Cybelec on customer request.

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Software

With regard to programming a press brake from ACCURL, we recommend the Libellula.BEND software: The solution makes it possible to check created production programs using simulations – including the detection of collision risks in relation to tools or machine parts, for example. The DXF files for nesting on a cutting system can be automatically generated from the production program for cutting the sheets to be bent. And, of course, it is also possible to use programming software from alternative quality providers.

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Backgauge

The CNC-controlled backgauge of the press brake guarantees optimum positioning of the part to be bent. When purchasing the standard version of the press brake, it is equipped with at least two axes – or four, five or six axes according to the series or on request. The backgauges can be equipped with pneumatically retractable sheet supports to prevent large thin sheets from sagging between the bending line and the backgauge. Double-guided backgauges have a stabilizing effect and promote precision during the bending process.

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Tool holders

Press brakes from ACCURL are already equipped with Promecam quality clamping systems as standard. Alternatively, the manufacturer's bending systems can also be equipped with products from WILA – manual as well as pneumatic or hydraulic solutions are also available for the upper and lower tool clamping.

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Front support consoles

Every press brake from ACCURL is already equipped with support consoles as standard. Depending on the equipment option, the front supports also have a parking space outside the bending line. The manufacturer also offers CNC-controlled bending aids for handling large sheets.

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Safety equipment

Maximum safety with minimum loss of time: A safety laser protects the operator of the press brake from the risk of crushing between the upper and lower tool. The traversing speed is controlled dynamically; the machine only moves at a reduced speed within the danger zone, which saves a considerable amount of time.

Advantages

Advantages of press brakes from ACCURL

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The most advanced 3D CAD modelling techniques minimize stresses and deformations right from the design stage
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Equipped with high-quality components throughout for particularly high process reliability
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Press brakes from ACCURL can be flexibly configured and automated
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State-of-the-art software and intuitive CNC controls
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Precise drive systems and CNC-controlled crowning systems compensate for deformations and ensure a constant bending angle
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Equipped with up to six axes in the backgauge for optimum positioning
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CNC-controlled bending aids for handling large and heavy sheets
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Highest bending accuracy thanks to fully automatic, laser-supported bending angle measurement and correction systems
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Safety laser for maximum safety during the bending process

Design and components of a CNC press brake

Challenges

Challenges and solutions in the bending process

The challenge of bending: Deformation of the frame

During the bending process, stresses and deformations occur due to the sometimes immense forces acting on the machine structure. One of the consequences of this is that the upper structure (upper beam) of the press is further away from the lower structure (lower beam) during the bending process than would be the case without the described deformation effect. As a result, the tool does not plunge deep enough into the die to achieve exactly the desired angular result.

Solution: Top-level mechanical engineering thanks to 3D CAD modeling techniques

ACCURL® uses the most advanced 3D CAD modeling techniques, including analysis tools such as computer-aided engineering (CAE) software programs, right from the design stage of the press brakes. In this way, stresses and deformations can be virtually simulated and reduced to a minimum in terms of design (see graphics). Press brakes from ACCURL are also characterized by a particularly high level of process reliability during operation: Only the highest quality components from well-known brand manufacturers such as Siemens, Heidenhain or HAWE Hydraulik are used.

The challenge of bending: Inhomogeneous deflection of the upper and lower beam

One of the unavoidable phenomena in press brakes is the deformation of the structure. In particular, the upper beam tends to bend in the middle with medium and thicker material thicknesses, which leads to a greater distance between the punch and die in this area. Without compensation for this effect, the bending result in the middle does not correspond to the desired angular result.

Solution: Precise drive and crowning systems for a constant angle over the entire bending length

Electro-hydraulic press drive from the EuroMaster series:
Fully electric press drive from the eB ULTRA series:

The ultra-precise drive systems from ACCURL® in combination with the CNC-controlled crowning systems from ACCURL® compensate for the deformation of the structure during the bending process and ensure that the desired bending angle is consistently achieved over the entire length of the press brake. These precision systems are already installed as standard on the EuroMaster and eB ULTRA series.

The challenge of bending: Determining and correcting the bending angle

Exact bending of sheet metal is essential for precision sheet metal production, regardless of the bending strength or thickness of the material to be processed.

Solution: ACCURL iMeasure® and IRIS Plus angle measuring systems

ACCURL iMeasure® angle measurement system
IRIS Plus angle measuring
system

ACCURL iMeasure® is a fully automatic, laser-supported bending angle measurement and correction system for CNC press brakes. iMeasure enables the exact determination of the bending angle with extremely high accuracy. Alternatively, an angle measuring system integrated into the safety system is available, particularly for systems with shorter bending lengths. IRIS Plus is extremely economical to purchase and ensures real-time angle correction.

various industries

Press brakes in various industries

Press brakes are used in all sectors and industries of metal processing where materials such as steel, stainless steel and aluminum are bent. From small bending cells for locksmiths and car workshops to fully automated bending production lines for the automotive or shipbuilding industries, for example. For industries in which particularly long and large components need to be bent, such as light poles, we recommend purchasing a press brake as a tandem and tridem solution.

Advantages of automation solutions

  • Increased production efficiency

  • Time savings through automatic tool change

  • Elimination of time-consuming manual parts handling

  • Bending cells individually designed to meet requirements

  • Error-free processing of large series and changing order situations up to batch size 1

  • Lower production costs

  • Design flexibility in terms of shape, size and quantities

Advantages of tandem and tridem solutions

  • Reliable and precise processes

  • Faster speeds compared to one large single machine

  • Individual presses can also be used independently of each other for smaller bending jobs

  • Variability in terms of length and press force, depending on requirements

  • Uncomplicated programming and control

  • As easy to operate as one single machine

The EuroMaster series from ACCURL is flexibly configurable and can be equipped with an automated material handling system.

Press brake and laser cutting system: the perfect duo

Before the sheets are bent, they are usually cut to size. A combination of laser cutting system and press brake in the company often forms a perfect duo. Laser technology scores particularly well in the thin sheet metal sector, achieving high levels of accuracy at high cutting speeds. Precise and accurate cutting makes the subsequent bending process easier and results in higher quality end products. In addition, the combination of both machines means that sheets can be processed in the press brake directly after laser cutting. This saves valuable time in the production process. The synergy of press brake and laser machine in one company therefore leads to both time and cost savings, making it the ideal combination in sheet metal processing.

Laser cutting machines

Mater line
FAQ

FAQ: We answer your questions about press brakes

We will be happy to advise you personally

Our application engineers help you select the right machine, tooling, and CNC configuration for your specific requirements.

PHONE
+49 6247 96294-160
Monday–Thursday: 8am–5pm  ·  Friday: 8am–1pm
Accurl Europe
info@accurl-europe.com

Get in touch with us!

+49 8247 96294 160

Messerschmittstraße 3,86825 Bad Wörishofen,Germany

Monday – Thursday

8 a.m. – 5 p.m.

Friday

8 a.m. – 3 p.m.

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