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Joint Project of Keller Division: First German-Italian Roofing Tile Press

400 t of pressing force, 17,5 pressings/min with four roofing tiles (>10/m2) pressed at the same are the main characteristics of the Rieter Werke/DE roofing tile press DR 6-2400-IV-HA.

It was supplied in mid-December 2010 to Girnghuber GmbH/ DE with their head office in Marklkofen to replace the existing 200-t-press. Already at the beginning of February 2011 the roofing tile factory 2 of Girnghuber could again resume its full production. It is the first roofing tile press built and assembled in its entirety at Morando S.L.R. in Asti/Italy according to the design documents of Rieter Werke and equipped with a control system of Keller-HCW GmbH/DE. It is a joint transnational project within the Keller Division with potential for the future, combining the skills and the competence of Morando S.L.R, Rieter Werke and Keller-HCW GmbH to improve the roofing tile press. The hexagon structure of the press drum with a width of 2400 mm was further reinforced by Morando S.L.R. to be able to operate nearly free of deformations (<0,2 mm) even under extreme load. The hydraulic lifting device was reworked, the braking action of the disk brake was optimised and the Maltese cross was modified. Keller-HCW optimised the existing structure of the control system and integrated the K-Matic on the basis of Siemens S7, thus being able to offer a universal control system from shaping to packing presented on a process control level. The features of the Rieter design were adopted: drum widths from 1600 to 2400 mm, pressing force of 400 t, direct gear motor drive with brake that guarantees a high-precision transmission of movements and the generation of pressure via an eccentric shaft supported at six points (11/2011).


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