High-precision CNC sheet metal bending with an industrial press brake

Numerical Control (CNC) Bending: large formats, precision and automation

Numerical Control (CNC) Bending: large formats, precision and automation

CNC bending

Numerical control bending is the cold deformation process that turns sheet metal into a three-dimensional element ready for assembly. The Bernazzoli bending department is structured to cover a wide range of production needs, from non-standard structural fabrication to serial production with tight tolerances.

Our CNC press brakes guarantee:

Consistent angle accuracy
Automatic springback compensation
Reliable repeatability even on large batches

Direct integration with the laser cutting, waterjet and metal fabrication departments makes it possible to include bending within a continuous production flow, reducing lead times and margins of error.

Our production department is equipped to process a wide range of metal materials, from thick structural steels to lightweight aluminum alloys. Thanks to the diversification of our in-house departments and the availability of multiple technologies (fiber laser cutting, waterjet, punching, CNC bending), we can choose the most suitable process for each material, preserving its mechanical properties and ensuring maximum dimensional accuracy.

CNC bending

High dimensional capacity for structural steelwork up to 6 meters

For applications requiring oversized components and thick gauges, the department is equipped with high-power press brakes, designed to maintain consistency and precision over long lengths.

CNC bending machine park

Press brake	Tonnage	Max usable length	Main applications
GASPARINI PSG 400	400 Ton	6000 mm	Heavy steelwork, structural profiles
SCHIAVI AMADA STP-C406	400 Ton	6000 mm	Thick gauges, robust profiles
SCHIAVI AMADA NMP	100 Ton	3000 mm	Medium and light processing

The GASPARINI PSG 400, with 400 tons over 6 meters, enables bending of thick sheet metal while maintaining geometric continuity over the entire length.

All systems are equipped with hydraulic crowning, which automatically corrects the deflection of the beam and ensures uniform angles even on the longest profiles.

Request a CNC bending quote

CNC bending

Industry 4.0 Automation and Control

AMADA HG 10003 ATC: automation, precision and continuity

The AMADA HG 10003 ATC combines advanced numerical control and real-time measurement systems to ensure constant precision throughout the bending cycle.

Key features of the automatic cell

System	Function	Operational advantage
Automatic Tool Changer (ATC)	Automatic tool change	Drastic reduction in setup times
Bi-S sensor	Real-time angle measurement	Automatic springback correction

The Bi-S system constantly detects the bending angle and automatically compensates for material variations, ensuring constant quality from the first to the last bend. This technology is ideal for repetitive components, complex geometries and recurring production runs.

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Detail of a bend on sheet metal processed with a CNC press brake

CNC bending

Complementary deformation operations

As a complement to CNC bending, we offer additional processing operations that make it possible to supply semi-finished parts ready for assembly or welding.

Rolling: production of shells, cones and cylinders from sheets up to 15 mm
Hemming (hemming): safety edges and technical stiffening
Local forming: targeted deformations to facilitate assembly

These operations reduce subsequent steps and optimize the entire production cycle.

Request a CNC bending quote

CNC bending

Request for analysis and quote

Send the technical drawings (DXF, DWG, IGES, STEP) for a complete technical evaluation.

Request a CNC bending quote

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