8 KONECRANES


Hoisting equipment under the microscope


association of German paper factories, the domestic paper industry sold about 23 million tons of paper, cardboard and paperboard in 2017 – up 1.4 percent from 2016. The packaging industry is especially hungry for paper, with sales in this sector increasing by 3.4 per cent last year alone. This is the demanding market in which the PM6 in the Papierfabrik Palm GmbH & Co mill (Palm) at Wörth am Rhein operates, producing 650,000 tons of corrugated base paper each year in weights of up to 160 g/sqm. The rolls are handled at various


P March/April 2019


aper is one of the most important resources for the economy: According to the


Cranes used for hoisting heavy rolls in warehouses are one of the many critical items in a paper mill that must be utterly reliable. One way of ensuring this is by analysing their lubricating oil. Konecranes explains its Oil Analysis and Crane Reliability Study (CRS)


stages by 11 double-girder overhead cranes, all playing their own crucial role in paper production. To safely transport the large paper rolls day and night, the hoisting gears used in the cranes must always be in top operating condition. For this reason, Palm asked Konecranes to look at eight of its most critical cranes. Following the results of the oil analysis and subsequent endoscopic investigation, the maintenance experts identified a significant risk to future


production and replaced one of the hoisting gear sets completely.


Record paper machine produces around the clock The Wörth am Rhein facility is one of five paper mills, with a total of nine paper machines, and 26 corrugated board plants operated by Palm, which has its headquarters at Aalen in Baden- Württemberg. Using recovered paper as its raw material, Palm has a total capacity of 2.2 million tons a year.


The paper production continues


around the clock. Equally high are the demands on the double-girder bridge cranes that have been in use at the mill in Wörth am Rhein since production started there in 2002. Collectively, they handle and store the completed paper rolls that weigh many tons. “The cranes are in use day and


night,” says Sven Bohrer, electrical engineer at the Palm paper factory. “If one should break one day, the production would have to stop, or at least greatly slow down,


Pulp Paper & LogisticsPulp Paper & Logistics


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36