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VDI 3381 Polysterene foam patterns - Design instructions for cast iron and cast steel dies

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German title
Schaumstoffmodelle - Konstruktionshinweise für Werkzeugteile aus Gusseisen und Stahlguss
Publication date
Engl. VDI-Gesellschaft Produktion und Logistik
Related manuals
Number of pages
Available in
German, English

The guideline quotes design instructions for the manufacturing of foam patterns for tool dies which are cast by the full mould casting method. In addition to general recommendations like e.g. compensation of shrinkage and machining allowances recommendations for several structural elements are given. Design requirements based on the casting technique e.g. to avoid material accumulations or the construction of feeders are made explicit. Especially the acceptance of the pattern is discussed in detail.

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