VDMA: introducing innovations in german glass technology

2014-10-20 | Representative organizations

A diamond cutting head that reduces micro-cracks to a minimum, new systems to measure – among other things – the tension of thin glass, and a machine concept for tempering of bottles. According to the German Engineering Federation (VDMA), those are just some of the highlights with which Germany’s glass machine manufacturers will be showing their innovative strength at the industry’s leading trade show glasstec in Düsseldorf from 21 to 24 October.

VDMA: introducing innovations in german glass technology
Every penny counts when a company makes bottles, particularly for the beverage industry. The thinner the bottle, the less material is used, and the lower the expenses. Moreover, the breaking resistance needs to be the same or – preferably – higher. German company JSJ Jodeit, which supplies glass melting furnaces and special glass machinery, has now developed a concept for a thermal tempering unit that can be integrated into existing bottle production lines. Its main feature is that it will be installed directly after the IS-machine, at a point where the bottles are still hot, as they have only just left the machine. This means that to reach the temperature required for tempering purposes, much of the heating process can be omitted. This, of course, saves energy, while also being more eco-friendly.
The hot bottles are fed from the IS machine into a unit where they are first heated up to the needed temperature for thermal tempering. At this stage they are also homogenised. The second step in the process involves the sudden and abrupt cooling of the bottles. The tempered bottles are then transported to the existing annealing lehr where they undergo further cooling. According to the owner of JSJ Jodeit, Harald Jodeit, Ph.D., there are plans to realise the concept as a pilot plant in close collaboration with an IS machine and container glass manufacturer.

Constant pressure at all times
Another highlight will be offered by German glass machine manufacturer Grenzebach. This com...


Article taken from Glass Machinery Plants & Accessories bi-monthly magazine (6 issues per year)
Year: 2014 number: 5
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