Quality assurance for chill casting with the optical emission spectrometer FOUNDRY-MASTER Smart

Krause Präzisions-Kokillenguss GmbH is a second-generation, family-run midsize foundry established in Germany in 1977. They offer a broad range of services: product development, creating molds and dies, casting production, finishing with CNC controlled turning and milling centres and sub-assembling.

"High precision and material standards require exact monitoring of the melt in order to meet customer specifications and deliver clean materials.”
Tino Ernst, Quality Assurance Manager at Krause Präzisions-Kokillenguss GmbH



Their customers come from very diverse industries, such as engineering, pump technology, food and medical engineering, making parts ranging from table football pieces to complicated housing heads for computer tomographs.

Aside from melt monitoring on the foundry floor, spectral analysis has an important role in end-to-end production monitoring: from goods receiving – especially when raw materials are delivered without test reports – to shipping when preparing test reports for the customers. Customers‘ material samples are often submitted for testing as well.

To meet special customer requests, Krause also uses the FOUNDRY-MASTER Smart in product development. The mixture is tested with the spectrometer in the trial phases. Krause Präzisions-Kokillenguss offers 12 alloys, including aluminium alloys and non-ferrous metal alloys including brass, aluminium bronze and pure copper. The steel for the moulds is also tested with the FOUNDRY-MASTER Smart since mix-ups have occurred on delivery in the past.

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Date: 20 March 2019

Author: Willy Sanders, Product Manager OES

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