The WyBend C Series is a CNC press brake with a synchronized hydraulic servo system, a high-rigidity 300HB+ steel frame and a CNC system with 8–11 axes and up to 5,000 programmable tools, available in 5 configurations — from the C 40/1500 (400 kN, 1500 mm) up to the C 175/4000 (1750 kN, 4000 mm). With a bending accuracy of ±0.01 mm through a dual Bosch Rexroth / Yaskawa hydraulic servo, automatic CNC deflection compensation in 15,000 points and a multi-axis back gauge with ±0.02 mm accuracy, this CNC press brake is the solution for producers of complex parts with tight tolerances that exceed the capabilities of conventional NC systems.
Compared with the WyBend NC series with torsion-bar synchronization and ±1° accuracy, the WyBend C Series CNC press brake uses independent hydraulic servo motors on each cylinder, with continuous position feedback and closed-loop control — ensuring ±0.01 mm accuracy independent of load variations, hydraulic temperature or system wear over time.
Key advantages of the WyBend C Series CNC press brake
• Synchronized Bosch Rexroth / Yaskawa hydraulic servo — ±0.01 mm accuracy — the dual hydraulic servo system with independent cylinders and closed-loop control from Bosch Rexroth Germany / Yaskawa Japan ensures a bending accuracy of ±0.01 mm over the entire 1500–4000 mm length, with automatic real-time correction of any deviation from the programmed position.
• CNC deflection compensation in 15,000 points — uniformity over the entire length — the CNC beam-deflection compensation system calculates and applies the crowning corrections in 15,000 points along the working length, ensuring that the bending angle is uniform over the entire part length even at maximum loads, with no under-bent zones typical of press brakes without active compensation.
• CNC with 8–11 axes and 5,000 programmable tools — the Delem DA66T / Cybelec CNC system of the CNC press brake manages 8–11 axes simultaneously with a library of 5,000 programmable tools, automatic parameter calculation and offline programming from CAD/CAM systems — suited to producers with a wide variety of parts and frequent program changes.
• 300HB+ steel frame with precision CNC milling — the frame of the CNC press brake is made of 300HB+ steel with inner side plates of at least 14 mm thickness, heat-treated and high-precision CNC-milled to eliminate residual stresses and guarantee structural rigidity throughout the equipment's service life.
• Multi-axis 5-axis CNC back gauge with ±0.02 mm accuracy — the multi-axis back gauge with 5 CNC-controlled axes positions the material with ±0.02 mm accuracy on all axes simultaneously, with automatic toolpath calculation for complex multi-step bending sequences.
• Motorized sheet support 1.5–5.5 m — assists large sheets — the motorized sheet support with adjustable length 1.5–5.5 m and ±0.5 mm accuracy assists the operator in handling long, heavy sheets, preventing deformation from the sheet's own weight during bending.
• Laser angle-measurement system ±0.1° — real-time feedback — the laser bending-angle measurement system provides real-time feedback of the actual angle achieved, with automatic correction to compensate for the springback specific to each material and thickness, with no manual measurement with a protractor.
Technical specifications of the WyBend C Series CNC press brake
| Parameter | C 40/1500 | C 80/2500 | C 100/3200 | C 135/3200 | C 175/4000 |
|---|---|---|---|---|---|
| Bending force (kN) | 400 | 800 | 1000 | 1350 | 1750 |
| Working length (mm) | 1500 | 2500 | 3200 | 3200 | 4000 |
| Stroke (mm) | 200 | 250 | 250 | 300 | 320 |
| Front table height (mm) | 950 | 980 | 980 | 1000 | 1050 |
| Opening height (mm) | 450 | 490 | 490 | 520 | 560 |
| Back gauge (mm) | 450 | 600 | 600 | 700 | 800 |
| Dimensions (mm) | 2200×1300×2250 | 3100×1700×2800 | 3800×1800×3100 | 3800×2100×3200 | 4800×2300×3500 |
| CNC control system | Delem DA66T / Cybelec — 8–11 axes, 5000 tools, offline | Delem DA66T / Cybelec — 8–11 axes, 5000 tools, offline | Delem DA66T / Cybelec — 8–11 axes, 5000 tools, offline | Delem DA66T / Cybelec — 8–11 axes, 5000 tools, offline | Delem DA66T / Cybelec — 8–11 axes, 5000 tools, offline |
| Hydraulic servo | Bosch Rexroth + Yaskawa — ±0.01 mm accuracy | Bosch Rexroth + Yaskawa — ±0.01 mm accuracy | Bosch Rexroth + Yaskawa — ±0.01 mm accuracy | Bosch Rexroth + Yaskawa — ±0.01 mm accuracy | Bosch Rexroth + Yaskawa — ±0.01 mm accuracy |
| Deflection compensation | CNC, 15,000 points, ±0.01 mm accuracy | CNC, 15,000 points, ±0.01 mm accuracy | CNC, 15,000 points, ±0.01 mm accuracy | CNC, 15,000 points, ±0.01 mm accuracy | CNC, 15,000 points, ±0.01 mm accuracy |
| Multi-axis back gauge | 5 CNC axes, ±0.02 mm — Schneider Electric | 5 CNC axes, ±0.02 mm — Schneider Electric | 5 CNC axes, ±0.02 mm — Schneider Electric | 5 CNC axes, ±0.02 mm — Schneider Electric | 5 CNC axes, ±0.02 mm — Schneider Electric |
| Frame | 300HB+ steel, min. 14 mm plate, heat-treated, CNC-milled | 300HB+ steel, min. 14 mm plate, heat-treated, CNC-milled | 300HB+ steel, min. 14 mm plate, heat-treated, CNC-milled | 300HB+ steel, min. 14 mm plate, heat-treated, CNC-milled | 300HB+ steel, min. 14 mm plate, heat-treated, CNC-milled |
| Sheet support | Motorized, 1.5–5.5 m, ±0.5 mm accuracy | Motorized, 1.5–5.5 m, ±0.5 mm accuracy | Motorized, 1.5–5.5 m, ±0.5 mm accuracy | Motorized, 1.5–5.5 m, ±0.5 mm accuracy | Motorized, 1.5–5.5 m, ±0.5 mm accuracy |
| Angle measurement | Laser, ±0.1° — LVD / Pama | Laser, ±0.1° — LVD / Pama | Laser, ±0.1° — LVD / Pama | Laser, ±0.1° — LVD / Pama | Laser, ±0.1° — LVD / Pama |
| Safety | IEC light curtains, 8 mm detection, 45–1000 mm — SFI/Leuze | IEC light curtains, 8 mm detection, 45–1000 mm — SFI/Leuze | IEC light curtains, 8 mm detection, 45–1000 mm — SFI/Leuze | IEC light curtains, 8 mm detection, 45–1000 mm — SFI/Leuze | IEC light curtains, 8 mm detection, 45–1000 mm — SFI/Leuze |
WyBend C versus WyBend NC — when to choose CNC over NC
The WyBend NC Series with torsion-bar synchronization and ±1° accuracy is the solution for repetitive production of standard profiles where low investment and operational simplicity are priorities. The WyBend C Series CNC press brake with a hydraulic servo and ±0.01 mm accuracy is needed when: the angle tolerances exceed ±0.5°, the parts have long multi-step bending sequences, production includes materials with variable springback, or when offline programming from CAD/CAM is required for maximum efficiency. UZINEX provides free consulting for the selection of the right series.
Applications and industries for the WyBend C Series CNC press brake
The WyBend C Series CNC press brake is intended for producers of complex metal parts with tight tolerances — precision electrical cabinets, automotive components, medical equipment, electronic-equipment housings and aerospace structures where the angular tolerance of ±0.01 mm and series-to-series repeatability are mandatory for the correct functioning of the final product.
Subcontracting workshops that produce diverse parts for multiple customers benefit from the 5,000-tool library and the offline programming of the WyBend C Series CNC press brake — each new order is programmed in CAD/CAM software and transferred directly to the machine, with a visual simulation of the bending sequence before production starts, eliminating first-part scrap.
Producers of premium metal furniture, architectural façades and precision aluminum profiles use the motorized 1.5–5.5 m sheet support and the laser angle-measurement system of the WyBend C Series CNC press brake for the precise handling and bending of long sheets and profiles without sheet deformation or angle variations along the length.
How the WyBend C Series CNC press brake works
1. CNC programming or offline import — the bending program is created on the Delem DA66T CNC panel or imported from offline CAD/CAM software; the system automatically calculates the parameters for each bend in the sequence, including springback compensation for the selected material.
2. Automatic deflection-compensation setting — the CNC system calculates and applies the optimal crowning profile in 15,000 points along the working length for the current load, ensuring a uniform angle across the entire part width from the first bend.
3. Multi-axis back-gauge positioning — the 5 CNC axes of the back gauge position simultaneously at the programmed coordinates with ±0.02 mm accuracy, with automatic toolpath calculation to avoid collisions with the part or tools.
4. Bending with closed-loop hydraulic servo — the independent Bosch Rexroth hydraulic servo cylinders lower the beam at rapid speed and switch to the slow bending speed; the continuous position feedback corrects any deviation in real time to reach the programmed angle with ±0.01 mm accuracy.
5. Laser angle check and automatic correction — the laser measurement system checks the actual bend angle; if the real springback differs from the calculated one, the system automatically corrects the parameter for the following bends in the same series.
Frequently asked questions about the WyBend C Series CNC press brake
What does 15,000-point deflection compensation mean?
When pressing a sheet over the full length of 3200–4000 mm, the upper beam and the lower table deform elastically under the 100–175 tonne load — a deformation that generates a more open angle in the central zone than at the ends. The WyBend C Series CNC press brake compensates for this deflection through active crowning of the lower table calculated in 15,000 points, ensuring that the bending force is uniform over the entire length and the final angle is equal at all points along the part length.
What concrete advantage does offline programming offer over programming at the machine?
Offline programming allows the bending program to be prepared in CAD/CAM software while the machine produces another order — eliminating programming downtime. The 3D visual simulation of the bending sequence identifies collisions between the part, tools and back gauge before production starts, reducing first-part scrap. On the WyBend C Series CNC press brake, offline programs can be transferred directly via network or USB, with automatic parameter validation at transfer.
What is closed-loop hydraulic servo and why is it different from standard hydraulics?
The standard hydraulics of a conventional NC press brake drive the cylinders with on/off or proportional solenoid valves, with no continuous position feedback — any variation in oil temperature, load or component wear directly affects the final accuracy. The closed-loop hydraulic servo of the WyBend C Series CNC press brake continuously measures the cylinder position with high-precision transducers and corrects the command to the Bosch Rexroth / Yaskawa proportional servo valves in real time to exactly reach the programmed position. The result: ±0.01 mm accuracy per cycle, regardless of operating conditions or the state of the hydraulic system.
For what production complexity is the WyBend C Series justified over the NC Series?
The WyBend C Series CNC press brake justifies the additional investment when production contains: parts with tolerances below ±0.5° on the angle (automotive, medical, aerospace), sequences with 8+ bending steps per part where the 5-axis back-gauge control eliminates cumulative errors, variable materials (stainless steel/aluminum/steel) with different springback requiring automatic compensation, or a subcontracting workshop with dozens of orders per month where offline CAD/CAM programming saves hours of unproductive machine time. For repetitive production of standard profiles in a metal workshop, the NC Series offers the better productivity/cost ratio.
Is the WyBend C Series CNC press brake eligible for European funding?
Yes. UZINEX supplies equipment for European-funded projects — PNRR, the Regional Program, the Just Transition Program — and is a member of the Enterprise Europe Network. The WyBend C Series CNC press brake can be included in funding files for modernizing production capacity. UZINEX provides complete technical documentation for public procurement procedures and tenders.
Why UZINEX for the WyBend C Series CNC press brake
• Free technical consulting — NC or CNC, optimal model — UZINEX evaluates the required tolerances, part complexity, production volume and programming requirements to recommend the WyBend NC or C and the optimal model.
• Free transport, assembly and commissioning included — the CNC press brake is delivered, installed and calibrated at the customer's site, with CNC system configuration, angular calibration and operator training.
• Extended 60-month warranty — warranty for all components with technical support and intervention in under 36 hours.
• National technical support in under 36 hours — a 24/7 phone line and fast intervention.
• Smart AI manual included — AI assistance for 96%+ of technical requests.
• Full eligibility for European funding — documentation and support for EU, PNRR, structural funding.
The WyBend C Series CNC press brake is the solution for producers who accept no precision compromises — with a Bosch Rexroth/Yaskawa hydraulic servo at ±0.01 mm, CNC deflection compensation in 15,000 points, 8–11 axes and 5,000 programmable tools, a 5-axis back gauge at ±0.02 mm, laser angle measurement and motorized sheet support, in 5 models from 400 kN/1500 mm to 1750 kN/4000 mm.