PROCESSING | SIMULATION
Fig. 3 The influence of different
mould design
part. Thus, in order to efficiently manage the skin/ core distribution of the final moulded part, it is necessary to take the effects of mould design into consideration. As shown in Figure 3, if we modify the angles of the runners to a more symmetrical design, we can obtain a more uniform skin/core distribution (Model 2). If the runner design cannot be modified, we can modify the cavity design. Adding an overflow region or adding a connector between each cavity can both improve flow imbalance. In summary, the dynamic behaviour of core
Moreover, as the injection flow rate further increas- es, the proportion of the core material in Branch 1 decreases. The reason is that more core material flows into the second and third cavities due to the high shear stress. However, the core material penetration simula-
tion results cannot guarantee ideal skin/core distribution will be achieved in the final moulded
material penetration in multi-cavity co-injection moulding is a complicated issue, involving many factors such as flow rate, material properties and mould design. Influenced by the interactions between these factors, it is difficult to achieve a uniform distribution by simply changing the process condition parameters. Therefore, utilising Moldex3D as a CAE tool has become a much more efficient way to quickly identify and fix potential issues prior to manufacturing and it can also benefit the development of multi-cavity co-injec- tion moulding technology. �
www.moldex3d.com
Conductive Plastics 2018 CALL FOR PAPERS
Developing technologies and applications for electrically and thermally conductive plastics
Click here for details
Speakers already confirmed include: Ms. Kristi Gangelhoff, Application Development Engineer, 3M
Dr. Edward Chan, Executive Vice President, GLOBAL GRAPHENE GROUP Dr. Xiao Zhong, Analyst, LUX RESEARCH
Mr. Elijah Grant, Product Development Engineer, RTP COMPANY
Dr. Dimitri Rousseaux, Composites & Compounds R&D Manager, TOTAL RESEARCH & TECHNOLOGY FELUY
Dipl.-Ing Péter Sebö, Head of Marketing & Market Development, QUARZWERKE GmbH
Our second North American Conductive Plastics 2018 conference takes place on March 20-21 at the Pittsburgh Marriott City Center, in Pittsburgh, PA, USA.
You will explore the design and manufacturing of electrically and/or thermally conductive plastic components and examine the latest additive technologies and compounding techniques at this high level two-day conference.
To register as an exhibitor or delegate and to get more information on sponsorship packages, please contact the Coordinator Christina Winegarden on Tel: +1 610 478 0800 Email:
christina.winegarden@
ami.international
www.ami.international ami.international
https://www.linkedin.com/ company/925294/
https://www.facebook.com/AMI.Events.Research/ Media supporters:
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