Handbook on bentonite-bonded moulding material - Tilch, Werner;Polzin, Hartmut;Franke, Michael
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According to estimates, modern foundries in Germany, Europe and worldwide replace about 70 % of their lost moulds with moulds made of bentonite-bonded materials. The main mould components are quartz sand, bentonite and water. These components are compacted in one of the most productive procedures in the foundry. One of the main advantages of this moulding material system is the ability to restore the bonding power of most of the material. This ability creates a moulding material circulation system. This system and the use of mostly inorganic moulding materials make this creation of moulds the…mehr

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Produktbeschreibung
According to estimates, modern foundries in Germany, Europe and worldwide replace about 70 % of their lost moulds with moulds made of bentonite-bonded materials. The main mould components are quartz sand, bentonite and water. These components are compacted in one of the most productive procedures in the foundry. One of the main advantages of this moulding material system is the ability to restore the bonding power of most of the material. This ability creates a moulding material circulation system. This system and the use of mostly inorganic moulding materials make this creation of moulds the most environmentally friendly choice for the cast part production.Because of this circulation of moulding materials and specifically because of the bentonite/water bonding system, the preparation of moulds made from bentonite-bonded moulding materials is very different from making moulds and cores using materials with chemical binders. This manual describes the handling and preparation ofbentonite-bonded moulding materials as well as the moulding material recovery and re-use after forming the cast part.
Autorenporträt
Professor emeritus, Dr. of Engineering Sciences and Dr. h. c. Werner Tilch studied in Freiberg silicate technology (mineralogy) between 1962 and 1967. In 1972, he completed his doctoral thesis in foundry technology at the Technical University Bergakademie in Freiberg. From 1972-1979, he worked as senior assistant professor at the foundry department in Freiberg. From 1979 to 1983, he worked in the foundry industry and abroad. In 1983, he was appointed university lecturer for foundry technologies. He was appointed professor at the Technical University Freiberg (Bergakademie) in 1995. In 2006, the Miskole University in Hungary awarded him the title of doctor honoris causa.