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Latest developments for 10 roll straighteners

The ASMAG Group is well-known as innovative supplier of machinery and equipment for the steel and stainless steel tube industry. It combines two strong companies:

ASMAG, founded 1984 and located in Austria, has its core business in the design and manufacturing of drawing, straightening, testing, cutting, chamfering, stacking and bundling machines.

SEUTHE, founded 1899 and located in Germany, has the design and manufacturing of tube and section mills business units.

With more than 200 employees, the ASMAG Group has the capability of designing and manufacturing complete tube welding lines - from sheet coil to ready-to-sell tube bundles.

The ASMAG Group has proven its competence again  with its latest project - the installation of two complete straightening and testing lines for stainless steel tubes for a well-known European producer of stainless steel tubes.

The larger of the two machines is designed for a diameter of up to 50mm and the smaller for a diameter of up to 30mm.

To eliminate crane waiting times, double troughs are provided in both the tube bundle delivery and tube bundle removal.

Downstream from the bundle loading device, the tubes are automatically separated and cleaned on the outer surface upstream of the straightener.

The key machines of the plants are the 10 roll straighteners in the RRM pro series. The features of this series are the backlash-free, hydraulic height adjustment drives in all 10 straightening rolls, the individual drives in the straightening rolls, a straightening force display on each straightening roll as well as the computer-supported machine setting.

In addition to the fully automatic operation of the plants, the newly developed straightening roll cleaning device significantly contributes to the high productivity of the machines. The straightening rolls are cleaned fully automatically in cycles using polishing rollers without any manual intervention.

To meet the high quality requirements of the tube, all tubes are measured for straightness directly after leaving the straightener. Depending on customer requirements, the permissible tolerances on an HMI can be freely specified. A sorting device, which uses X-ray technology, prevents incorrect materials from reaching the order batch.

The tubes are subsequently eddy current-tested at the end of the plant and measured in the geometry using multi axis lasers.

Both machines have set new standards in precision, automation and efficiency.