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FEEDEX K - unikalne połączenie egzotermicznej otuliny nadlewu z ulepszoną technologicznie przeponką. Idealne rozwiązanie dla odlewni stosujących formowanie pod wysokimi naciskami

100%

Powell C. , Ciesielski B.

tom Vol. 57,nr 10-11

518-519

W artykule opisano zalety stosowania nowego produktu firmy FOSECO, otulinę FEEDEX K. Jest to unikalne połączenie otuliny nadlewu o właściwościach egzotermicznych z metalową przeponką umieszczoną na płycie modelowej. System ten jest stosowany do formowania w masach formierskich wiązanych bentonitem na automatycznych liniach formierskich pracujących pod dużymi naciskami.

In the article there are advantages of using a new FOSECO'S product, the covering FEEDEX K has been described. It is an unique connection of the exothermic riser's covering with a metallic wafer core located on the model plate. This system is applyed for high pressure molding in in the bentonite sands, on the automatic moulding lines

The Influence of Using Different Types of Risers or Chills on Shrinkage Production for Different Wall Thickness for Material EN-GJS-400-18LT

84%

Vaskova I. , Conev M. , Hrubovcakova M.

tom Vol. 17, iss. 2

131--136

In modern times there are increasing requirements for products quality in every part of manufacturing industry and in foundry industry it is not different. That is why a lot of foundries are researching, how to effectively produce castings with high quality. This article is dealing with search of the influence of using different types of risers or chills on shrinkage cavity production in ductile iron castings. Differently shaped risers were designed using the Wlodawer´s modulus method and test castings were poured with and without combination of chills. Efficiency of used risers and chills was established by the area of created shrinkage cavity using the ultrasound nondestructive method. There are introduced the production process of test castings and results of ultrasound nondestructive reflective method. The object of this work is to determine an optimal type of riser or chill for given test casting in order to not use overrated risers and thus increase the cost effectiveness of the ductile iron castings production.

Computer- Aided Design of Steel Casting Taking into Account the Feeding Ability

84%

Polyakov S. , Kuzyi O. , Korotschenko A. , Korovin V. , Bast J.

2016

tom Vol. 16, iss. 1

49--54

A new Computer-Aided Design approach is introduced for design of steel castings taking into account the feeding ability in sand moulds. This approach uses the geometrical modeling by a CAD-program, in which the modul “Castdesigner” is implemented, which includes the feeding models of steel castings. Furthermore, the feeding ability is guaranteed immediately during the design by an interactive geometry change of the casting cross section, so that a directional feeding of the solidifying casting from the installed risers is assured.