Pennekamp goes float

2010-01-01 | Company news

After almost 50 years without changes, float glass manufacturers are starting to request safer and more user-friendly processes, along with improvements in quality levels. Ernst Pennekamp, with its annealing experience that covers more than 60 years, has studied the process and, in this article, presents us with its solutions, taking into consideration the drive system, rollers, temperature control and process flexibility, with the future in mind.

Pennekamp goes float
Pennekamp is a well-known worldwide manufacturer of annealing lehrs for various glass industries. Over 60 years of experience in the annealing process for glass containers, tableware, display, pattern and solar glass are the basis for the creation of new technological ideas. Looking at the current manufacturing technology of float glass it is easily to see that innovations in the area of the dross box and annealing process have not been made or only minimum since the introduction of the process at the end of the 60s.

Due to this fact and to the request of some float glass manufacturers, Pennekamp has studied the current technology over the years and has come up with some new developments in order to make the process itself safer and more operator friendly, as well as to improve the quality levels based on optimized temperature control and glass transport system. In detail, the aim was to look at the lehr as a crucial part of the float glass manufacturing process, keeping in mind that any change of existing processes must be technically comprehended by the users. Therefore the steps achieved had to be carefully introduced to the float glass manufacturers.

The drive system
One of the first areas looked at and modified on a speciality float glass line was the introduction of the individual drive systems for the rollers. This system was required, from our point of view, to eliminate the main shaft with its open oil...


Article taken from Glass-Technology International bi-monthly magazine (6 issues per year)
Year: 2010 number: 1
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