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10-10-2018

Foamed and Stamped

Toyo/Deckerform at the Fakuma 2018

A serving tray weighing 130 g is injection-compression molded on a Toyo Si-100-6 with a locking force of 1000 kN (© Deckerform)

Last year, Toyo Machinery & Metal Co, Ltd. of Akashi City, Japan, and Deckerform Produktionssysteme GmbH of Aichach, Germany, emphasized fast-running applications on their joint stand. This year, both companies are mainly demonstrating special injection molding process, e. g., thermoplastic foam injection molding and injection-compression molding. Machine manufacturer Deckerform has been the exclusive sales partner for the Japanese injection molding machine manufacturer since 2017.

With the production of a sandwich board on a Toyo Si-280-6 machine with a locking force of 2800 kN, they will demonstrate foaming with chemical propellants in combination with negative mold embossing. During the foaming process, the cavity is expanded in less than 60 s from a 3 mm wall thickness to an approx. 8 mm in the positive mold manufactured by Deckerform. The foamed parts combine low weight with good weight-specific mechanical properties. The good noise and thermal insulation of foamed parts makes them especially interesting to the building construction and automobile industries.

On a Toyo Si-100-6 machine with 100 kN locking force, the partners will show how a serving tray is produced by injection-compression molding in a cycle time of approx. 18 s. The 130 g heavy polystyrene part with 3 mm wall thickness is about the size of a sheet of letter paper. In this process a positive mold performs the compression stroke. Compared to standard injection molding processes, injection-compression processes can produce parts with lower shrinkage and more uniform density. An additional positive effect is the reduction of the locking force required which, in this case, could be lowered from approx. 1300 to 600 kN. This enables the use of more economical, smaller machines.

Fakuma: Hall A6, booth 6317 and 6413

Company profile

Deckerform Produktionssysteme GmbH

Hans-Martin-Schleyer-Str. 8
DE 86551 Aichach
Tel.: 08251 8985-0
Fax: 08251 898529

Toyo Machinery & Metal Co., Ltd.

523-1 Fukusato
JP HYOGO Akashi City

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