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Technologia

Sheet metal bending

The process of forming flat sheets made of sheet metal, using press brakes or eccentric presses, equipped with appropriate bending tools: dies and punches or special binders. The process is semi-automatic, with the participation of the operator and using the control software.  It enables bending with a very high, repeatable accuracy assumed in the technical documentation. Separate self-testing procedures implemented additionally ensure and guarantee high quality bending.

We have appropriate experience and technical capabilities to make or modify specialized tools and instruments used in the bending process. Depending on the technical assumptions, volume of production series, production costs, it is possible to use one or both bending technologies using:

  • brake presses,
  • eccentric presses.

Bending using an brake presses

We use the following brake presses:

  • LVD PPEB – with 80 tons of pressure,
  • Amada ITPS 50.12 – 50 tons of pressure.

We have a large number of appropriate punches and dies enabling bending, with various radii and we constantly increase their range.

CNC control in each of the machines enables quick preparation of the machine for work, automatic visualization of each bending and continuous control of all parameters having a direct impact on the repeatability and quality of operations.

Specifications

max. length of the bending part: 1980 mm
thickness of the part sheet: 0.3 mm - 3.00 mm
bending radius: 0.2 or 2.0 or any other according to arrangements and tools;
bending accuracy: from +/- 0.10 mm;
bending angle: depending on the requirements and tools available.

Examples of solutions

Bending using an eccentric press

We use the following veccentric presses:

  • HEL Wita – with a pressure of 100 tons;
  • HEL Wita – with a pressure of 40 tons.

and specialized tools: dies and binders, designed and made by us at the stage of implementation of the production of a particular part.

The technology is primarily used for bending parts from 0.1mm up to 10.0mm thick, where a high pressure force is required or the design of special tool which performing punching and binding at the same time requires it.

The advantage of this bending technology with the use of specialized tools is to limiting to one bending cycle, for large and very large production series and achieving repeatable bending accuracy below +/- 0.1 mm. The technology is also used in the production of parts of a special shape with high operational requirements and specialized use.

Specifications

max. dimensions of the part for bending 800 mm x 800 mm;
sheet thickness 0.1 mm - 10.00 mm;
bending radius according to arrangements and special tools;
bending accuracy less than +/- 0.10 mm;
bending angle depending on the assumed structure and the tool.

Examples of solutions