TPT March 2015

Technology News

Tube and profile cold bending machine with short set-up times

Despite its size, the 32-tonne plant is flexible: the multiple bending tool allows up to 70 per cent of the set-up times of conventional plants to be saved. It is possible to process tubes in different materials, such as steel, copper-nickel- iron alloys and stainless steel, on one tool and with no conversion work. At the same time, thin-walled and thick-walled tubes with different diameters can be bent. Precision is ensured by the integrated Spring Matic measuring system, which determines the rebound of the tube after initial bending. It is then immediately ‘re-bent’ so that the bend is executed to accuracy of half a degree. “This is an exceptionally precise value considering the size of the plant and the tube,” said Mr Korte. In addition to tube bending machines and bending tools, Schwarze-Robitec’s product range includes tube per- forating machines, measuring stations, and solutions in the area of special machinery construction. Schwarze-Robitec GmbH – Germany Fax: +49 221 89008 9920 Email: sales@schwarze-robitec.com Website: www.schwarze-robitec.com

is to be produced, the total production would be much too time-consuming and drawn out. The set-up times therefore need to be kept to a minimum with the aid of multiple bending tools.” The CNC 220 HD MW tube and profile cold bending machine from Schwarze- Robitec has been developed to tackle this task efficiently with one multiple bending tool, with a measuring system to ensure accuracy. It is able to process tubes with maximum diameter of 219.1 x 12.7mm, at a tube length of up to 6m.

TUBE production for ships, the chemical industry or power plant construction is associated with large quantities. Central production processes such as bending the many different tube types must be effective. Tube bending machines in these industries must be flexible and able to process tube bends in different nominal diameters and materials in quick succession. Schwarze-Robitec marketing manager Jürgen Korte commented, “If a user has to convert the machine every time a new tube bend

Schwarze-Robitec’s CNC 220 HD MW tube and profile cold bending machine

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M arch 2015