3 research outputs found
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Development of a Hybrid Manufacturing Cell; Integration of Additive Manufacturing with CNC Machining
The application of Additive Manufacturing (AM) for production of injection molding
tools and tooling inserts enables significant improvements in regards to, for example, product
quality and cycle times. However, the AM based production of tools and inserts is most often
far from being rapid and the inserts are usually considerably more expensive than
conventionally produced. A combination of AM with CNC milling in a hybrid process route
allows for the application of each process to the production of the section of the product
geometry for which it is most advantageous. However, this approach also multiplies the
number of process steps and therefore also the limiting factors and possible causes of failure.
This paper describes the development of a Hybrid Manufacturing cell by integration of AM
with conventional CNC milling in a robust, streamlined production sequence.Mechanical Engineerin
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Mechanical Properties of Biocompatible 316L Steel Rhombic Dodecahedron Lattice Structures
Additive manufactured lattice structures have the potential of enhancing many of today’s
engineered products manufactured by traditionally methods. The former provides the capability of
altering the mechanical, thermal and acoustic properties of structures through the use of lattices.
However, more investigation is needed to better understand the manufacturability and the
mechanical behavior of sandwich structures. This paper investigates the influence of strut size on
the global stiffness and the compressive strength using compression testing of sandwich structures.
Digital Image Correlation (DIC) analysis is applied to determine the local strain distribution during
the compression test. It is found that the compressive strength increases linearly with increased
lattice strut diameter. Moreover, based on DIC the maximum strains are observed in the strut
connection regions.Mechanical Engineerin