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Hogeschool Gent - Ludwig Cardon
1. Cyclustijdreductie bij kunststofspuitgieten Prof. dr. eng. Ludwig Cardon University College Ghent - CPMT research group Faculty of Applied Engineering Sciences Voskenslaan 362 – 9000 Gent 31 mei 2011
2. Centre forPolymer & Material Technologies 2 University College Ghent FacultyApplied Engineering Sciences INWE Departments of Electromechanics & Chemistry Schoonmeersstraat 52 B-9000 Gent – Belgium +32 9 24 24 292 www.cpmt.eu www.pmiconference.eu http://polymer.ugent.be
18. aRGPolymerChemistry& Technologyhttp://polymer.ugent.be Polymer materials and Biopolymers Prof. dr. P. Dubruel Polymer chemistry Prof. dr. F. Du Prez Appied material Sciences Prof. dr. ir. J. Degrieck Prof. dr.ir. W. Van Paepegem Design HoWest Cardiovascular Tissue Engineering Prof. dr. Van Nooten Infrared Thermal analyses Prof. dr. ir. De Mey Food Safety and quality « Pack4Food » Prof. dr. ir. F. Devlieghere Textiles Prof. dr. ir. G. Schoukens
19. Hybrid moulds for high quality plastic products Advantages and limitations Introduction Mould material selection and relation to polymer processing Parameters affecting the quality of the final product New tendencies in processing and mould making Case studies Discussion
25. Biobased and biodegradable polymersHYBRID MOULDS... BUT ...... this will result in new design rules and machine modifications.
26. What are hybrid moulds? Who will use this? Productdesigners new design methods Mould designers more freedom of design Mould makers adapted machining parameters Polymer processors adapted processing parameters 8
27. Actual status of mould development hybrid moulds conventional production technologies AM technologies Mould cooling related to cycle time and product quality optimal cooling channel layout conformal cooling mould material selection Product quality improvement e.g. sink marks degree of crystallisation tribology aspects (e.g. wearing)
28. Mould material selection Thermal characteristics of mould materials are very important Related to the core/cavity design strategy new part & mould design strategy “Unknown” material characteristics heat capacity Cp (DSC analysis) specific density r thermal conduction l thermal diffusivity a
29. Mould material selection method The metal groups: Conventionalmould materials Selective Laser Sintermaterials Selective Laser Meltingmaterials
30. Mould material selection method The metal groups: Conventionalmould materials Selective Laser Sintermaterials Selective Laser Meltingmaterials
31. Tribology aspects of hybrid moulds LaserForm100 - DS20 - Aluminium - 1730 before and after 25000 shots Wearing of DMLS submarine gate for coated and non-coated (right) inserts