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Press
Magazine excerpt - Commerce between the Swabian Alps and Lake Constance - 6/2013

ALTERNATIVE PATHS FOR COMPANIES

Producing with a green conscience

Material costs are increasingly becoming the largest share of costs in manufacturing operations. Four regional examples demonstrate how companies are taking ownership on behalf of the product. They have tinkered with new technologies, invested into energy-efficient machinery and are recycling waste. And they are demonstrating how resources can be used more efficiently. 


Press
Drive & Control - The magazine by Rexroth - 02/2011

Cut sparingly...


         

Giant Ring Cutter: An innovative cutting process used by PTZ Weidner saves enormous resources. The company owner, Andreas Weidner, explains how the fast and efficient saw came about.

They may be cast, rolled or forged - rings in ever growing numbers and ever larger sizes are used by growth industries such as wind turbines, offshore technology or shipyards for turrets, flanges, seals or bearings. Until now, this has come at the expense of high tool wear, enormous energy demand and immense loss of material - it was high time for an efficient cutting process to cut rings from blanks.



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Cutting, milling, turning and drilling
of metal rings for use in flanges, bearings, steering and slewing rings in machinery, plants and large installations.

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