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Exhibitors' press releases

Entry 1 of 1
Tuesday, 04/24/2012
Morando s.r.l.
Strada Rilate, 22
14100 Asti (IT)
E-Mail: info@morando.ws
Joint project of the KELLER division – the first German-Italian roof tile press DR 6-2400-IV-HA for Girnghuber GmbH in Marklkofen
Joint project of the KELLER division – the first German-Italian roof tile press DR 6-2400-IV-HA for Girnghuber GmbH in Marklkofen

400 tons of pressing force, 17.5 pressings per minute with four roof tiles (>10/m2) pressed at the same. These are the main characteristics of the Rieter Werke roof tile press DR 6-2400-IV-HA. It was supplied in mid-December 2010 to Girnghuber GmbH with their head office in Marklkofen to replace the existing 200-ton press.  


This type or similar types of the roof tile press are already successfully working all over the world but this project is a special one. It is the first roof tile press supplied to a customer that was built and assembled in its entirety at Morando S.L.R. in Asti/Italy according to the design documents of Rieter Werke and that is equipped with a control system of Keller HCW.


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 roof tile press. The hexagon structure of the press drum with a width of 2400mm was further reinforced by Morando S.L.R to be able to operate nearly free of deformations (smaller than 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 already prominent features of the Rieter Werke design were of course adopted. Especially noteworthy are drum widths from 1600 mm to 2400 mm, a pressing force of 400 tons, the 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, an already well-established feature for many years.


Within a very short time the press was installed in Marklkofen in December 2010. After a Christmas break of nearly three weeks commissioning started in mid-January 2011. Already at the beginning of February the roof tile factory 2 of Girnghuber GmbH could again resume its full production. During the acceptance test for the press, Girnghuber GmbH paid special attention to the quality of the roof tile format that sets the highest demands to pressing. This roof tile is characterised by a very large surface outline that complicates the flow behaviour of the clay material during pressing. With its increased pressing force of 400 tons the roof tile press passed the test with the required output, fulfilling the high quality standards of Girnghuber GmbH.



Press contact
Yvonne Lammers
E-Mail: yvonne.lammers@keller-hcw.de
Internet: www.keller.de
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