A tandem CNC press brake links two or three bending presses on the same line, so it can bend plates far longer than a single press can handle. The LAZIRON system reaches plates of 6–12 metres and a combined force of up to 8,000 kN, with high-precision CNC synchronization and ±0.01 mm repeatability. It is built with components on a par with the major manufacturers, a tandem CNC controller, Rexroth hydraulics and brand-name industrial electronics.
In large-structure production, this tandem CNC press brake replaces subcontracting long parts and investing in an oversized press, consolidating bending onto a single synchronized system. It is aimed at manufacturers of steel structures, wind towers, containers and heavy equipment, see the range of CNC bending equipment.
The Advantages of a Tandem CNC Press Brake for Long Plates
• Long plates on a single system, a tandem CNC press brake bends parts of up to 12 m in sync, with no intermediate joints and no subcontracting of the heavy side of production.
• Combined force up to 8,000 kN, the two or three machines distribute the tonnage evenly across the entire length, for consistent bends on thick structural steel plates.
• High-precision CNC synchronization, the control links the strokes of all machines with 0.01 mm resolution, so the angle stays identical from one end of the part to the other.
• ±0.01 mm repeatability, every long part comes out the same, batch after batch, essential for wind towers, columns and beams, where deviations are not accepted.
• High-capacity multi-axis backgauge, the backgauge, accurate to ±0.03 mm, automatically positions heavy plates, reducing scrap and manual handling.
• Brand-name hydraulics and electronics, a Rexroth hydraulic system, Schneider/Siemens electronics and WILA quick-clamp tooling, for reliability under heavy duty.
• Works separately too, the machines can operate independently for short parts or coupled in tandem for long plates, doubling the workshop's flexibility.
• Premium technology at a direct-manufacturer price, the same type of tandem CNC press brake, without the markup of expensive brands; you pay for the technology, not the name on the casing.
LAZIRON Tandem CNC Press Brake Technical Specifications
LAZIRON tandem CNC press brake configurations cover forces from 2,500 to 10,000 kN and bending lengths of up to 8,000 mm per machine. The values below are indicative across the range and we confirm them exactly in the personalized quote, depending on the chosen configuration.
| Parameter | Value |
|---|---|
| Configurations | T25032 – T100080 |
| Bending force | 2,500 – 10,000 kN |
| Bending length (per machine) | 3,200 – 8,000 mm |
| Tandem configuration | 2 or 3 machines (×2 … ×4 motors) |
| Distance between columns | 2,600 – 7,000 mm |
| Throat depth (gooseneck) | 450 – 700 mm |
| Ram stroke | 250 – 400 mm |
| Daylight | 520 – 800 mm |
| Descent speed | 70 – 120 mm/s |
| Max. hydraulic pressure | 35 – 40 MPa |
| Motor power (per machine) | 18.5 – 37 kW (×2 … ×4) |
| Control system | Tandem CNC, Y1-Y2 / X / R / Z axes |
| Repeatability | ±0.01 mm |
| Certifications | CE |
Applications and Industries for the Tandem Press Brake
A tandem CNC press brake is made for parts that an ordinary press brake cannot tackle: wind towers, bridge structures, container side panels, lighting poles, tanks and long beams. Wherever the plate exceeds the length of a standard press, the tandem system bends the part in a single synchronized pass.
The solution covers both series production of standardized structures and one-off large-dimension parts. The equipment meets the safety requirements applicable to CE-marked bending presses, in line with the Machinery Directive 2006/42/EC. See also real projects from customers' workshops.
For wind tower manufacturers, ±0.01 mm repeatability over the entire length means shell rings that assemble without adjustments. Shipyards and container manufacturers save time on long panels bent in a single setup. And steel-structure plants for construction handle large beams and profiles without outsourcing the heavy side of production.
In the agricultural machinery and heavy equipment industry, a tandem press brake brings in-house the chassis, longerons and long casings that would otherwise require transport to subcontractors. For bending service providers, the ability to process long plates broadens the order portfolio and removes the limitation imposed by the length of a conventional press.
Compatible Materials
A tandem CNC press brake is sized for thick plate and long plates of structural steel, exactly the segment where bending on standard machines becomes impossible. The maximum thickness depends on the force of the configuration and the length of the part; the values below are indicative for the mid range and we confirm them in the personalized quote. Over long lengths, the force is distributed across all machines, so the real capacity depends on the combination of tonnage, length and material, a calculation we make for every project.
| Material | Indicative thickness (8,000 kN config.) |
|---|---|
| Carbon steel (S235) | up to ~20 mm |
| Structural steel (S355) | up to ~16 mm |
| Stainless steel | up to ~12 mm |
| Aluminium | up to ~25 mm |
How It Works
The workflow on a tandem CNC press brake is fully controlled from the numerical control, from the program to the finished long part:
1. The operator creates or imports the bending program into the tandem CNC controller, with the sequences for each angle.
2. The rear backgauges (multi-axis backgauge) automatically position the long plate at the programmed dimension.
3. Follower supports hold the plate along its entire length, preventing sag under its own weight.
4. The two or three machines lower the ram in sync, under CNC control, for an identical angle across the whole part.
5. Bending is done in the air, with the angle controlled at ±0.01 mm resolution, repeatable on every pass.
6. The finished long part is discharged, ready for welding, assembly or painting.
Because programs stay saved in the CNC memory (over 100 sequences), resuming a recurring order is quick. Automatic synchronization eliminates manual adjustment between machines, and a single operator achieves consistency even on large-dimension parts. As a result, switching from a long configuration to a short one requires no mechanical adjustments, just loading another program.
Frequently Asked Questions
What is the maximum plate length a tandem CNC press brake can bend?
Depending on the configuration, the tandem system bends plates of 6–12 metres, with lengths of up to 8,000 mm per machine. The combined force reaches 10,000 kN on the upper range. We confirm the exact length and thickness in the personalized quote.
Can the machines also be used separately, not only in tandem?
Yes. Each press in the system can work independently for short parts or coupled in tandem for long plates. This flexibility lets you cover both your current production and large-dimension orders with the same CNC press brake.
What warranty does UZINEX offer for this tandem CNC press brake?
Every UZINEX machine comes with a 60-month standard manufacturer warranty, phone support and on-site service intervention in under 24 hours anywhere in Romania.
Why is the price more affordable than with the well-known brands?
We manufacture the equipment and export it directly from China to Europe, with no intermediaries and no markup from an expensive brand. You pay for the technology and the components, not the name on the casing. In addition, if you find the same machine cheaper, you get an extra 5–10% discount.
How is synchronization between the machines ensured?
Synchronization is managed by the tandem CNC controller, which links the strokes of all machines with 0.01 mm resolution. In practice, the rams lower together like a single long machine, with no manual adjustment, guaranteeing the same angle along the entire length of the part.
Is the equipment suitable for projects co-financed from European funds?
Yes. The system is delivered with CE-certified components and the corresponding conformity documentation, which makes it eligible for co-financed investment projects. On request, we provide the certifications and the technical data sheet needed for the application file.
What maintenance does a tandem CNC press brake require?
Maintenance is the usual kind for a heavy-duty hydraulic press: checking the level and condition of the hydraulic oil, greasing the guides and periodically checking the synchronization. The brand-name components, hard-chromed pistons and Rexroth valves, are chosen precisely for long intervals between interventions, and spare parts are available locally.
How long does installation and calibration of the system take?
Foundation design, transport, assembly and synchronization calibration are included and carried out by a local team, in your language. For a tandem system, calibrating the synchronization between machines is the critical step, and our engineers perform it on site, before handover to production.
Why LAZIRON?
When you choose a tandem CNC press brake from LAZIRON, you get more than the machine:
• 60-month warranty, with on-site service intervention in under 24 hours anywhere in Romania.
• Direct manufacturer-exporter, we manufacture in China and deliver directly to Europe, with no intermediaries and no markup from a European brand; you pay for the technology, not the name on the casing.
• Components on a par with the major manufacturers, a tandem CNC controller, Rexroth hydraulics and Schneider/Siemens electronics, CE-certified to international standards.
• Everything to do with installation, included, foundation design, free pre-delivery inspection, transport, assembly, synchronization calibration and operator training, by a local team.
• Long-term support, spare parts available locally, fast intervention and, on request, sourcing for equipment not listed on the site.
With force up to 8,000 kN, synchronization at ±0.01 mm and the price of a direct manufacturer, this tandem CNC press brake brings in-house the long parts you would otherwise subcontract, without paying for the name on the casing. Every month of subcontracting means lost margin.
