FOAM MOULDING | TECHNOLOGY
600 by 400 mm. It can also design complex tooling for use with the machine. The
Bead.Machine is designed to produce minimal scrap and operate with water and compressed air consumption optimised. The controller is designed to receive regular software updates and machine updates. At last month’s Fakuma show, Hofmann pro- duced a spherical part made from particle foam with a rigid plastic clasp insert moulded onto the part, to provide a glimpse of the moulding possi- bilities. Hofmann says it has sold seven of its machines to several companies so far. Trexel has developed a new generation of its
satellite system that receives supercritical fluid from a booster station on a central machine. According to Volker Gründel, Sales Manager, the satellite unit incorporates controller technology and a regulator and can signal for a specific amount of material depending on the shot weight, gas amount or screw diameter, rather than receiving material from the booster in a set amount. The increased control of the gas being received by the unit and sent to the injection machine can bring about 10-15% energy savings and leads to optimised part design and part wall thickness.
Trexel says its technology and the application of foamed parts continues to expand. It is working with Taiwan-based Tienkang to produce MuCell foamed shoe midsoles that use materials other than PU, as that material cannot be recycled, Gründel says. The company is testing the foaming of TPU with MuCell in production of the midsole on Tienkang’s Centrex machine. Trexel is also working in a project under non-
disclosure agreements involving the foaming of bioplastics, and with flame retardant, smoke suppressant materials, where, in both applications a density reduction up to 5% with no performance change is being evaluated. The company also has NDAs with several tiered automotive suppliers to produce foam parts for electric vehicle compo- nents, where the light weight can improve fuel efficiency, Gründel added.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.kraussmaffei.com �
www.engelglobal.com �
https://wilmingtonmachinery.com �
www.hofmann-impulsgeber.de �
www.trexel.com
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