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MOLD-FILLING TECHNOLOGY TO MANUFACTURE MULTI-WALLED TUBES

Problem description:

A fast-developing area in the modern approaches to the 21st-century manufacturing is process automation of mass production and process digitalization using digital twins. The use of process automation and new materials in the production lead to significant savings.

These aspects have led Jan Nečas’s team consider possible economical measures in the processing of bulk material and mixtures used in the production of tubes and fittings in ceramic, foundry, metallurgical, and construction industries, and processing of metal powders or plastics.

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Technology description:

Within the production of tube components, the developed technology aims to partially replace effective but expensive constituents of bulk material with others that are cheaper. In order to exchange these constituents, it was vital to design an innovative technology of mold-filling during the production of multi-walled tubes.

The technology is designed to fill the molds with two or more bulk materials which are subsequently pressed into the shape of a multi-walled tube. The technology minimizes the chance of mixing the discrete bulk materials that constitute the different walls of the tube. The technology/ device is designed for a range of bulk materials with different mechanic, grain-size, morphologic, and chemical properties. It can be used for both dry and flowing bulk materials as well as to distribute highly cohesive, non-flowing materials into very narrow press molds.

The technology brings savings in the manufacturing process, namely because of using cheaper materials and the modular system concept that enables users to efficiently respond to a change in the material. This way, shutdown time is reduced significantly and manufacturing becomes more efficient. 

MOLD-FILLING TECHNOLOGY TO MANUFACTURE MULTI-WALLED TUBES
Innovation/value added
  • significant reduction of plastic tube production costs
  • application of cheaper material
Degree of protection

Protected by a utility model

Authors
  • doc. Ing. Jan Nečas, Ph.D.
  • prof. Ing. Jiří Zegzulka, CSc.
  • Ing. David Žurovec, Ph.D.
  • Ing. Jakub Hlosta, Ph.D.
  • Ing. Jiří Rozbroj, Ph.D.
  • Ing. Jan Diviš

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