What is it about?
In the paper describes a method for making seeing glasses frames by means of additive technologies with the presentation of the main functional characteristics based on solid material deposition, the FDM technology, as well as the main materials used (ABS, PLA, Wood PLA composites), highlighting the properties and the technical and functional characteristics of the materials used in making custom eyewear frames according to the individual facial characteristics of each person but also by the specific ocular parameters.
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Why is it important?
Considering the characteristics square wire, the spring rigidities grow with wire dimension. The lowest rigidity corresponds to the spring labelled with 01. For round wire, the spring rigidities also grow with wire dimension. The lowest rigidity corresponds to the spring labelled with 03. The preload deflection is the biggest. All investigated characteristics are very close to a linear behaviour. The square wire springs have lower rigidities than round wire springs.
Perspectives
Springs made from PLA (polypolylactic acid), which is an ecological material with a high degree of biocompatibility; surely find its place in medical and pharmaceutical applications. In addition, with relatively good physical and mechanical properties, the PLA springs can arise as a reliable solution for aerospace, automotive, marine, instrumentation applications or where metal analogues cannot be used for different reasons: water purification systems, chemical media, imaging equipment and radiography, etc.
Assoc. Professor Ciprian Ion Rizescu
University POLITEHNICA of Bucharest
Read the Original
This page is a summary of: Additive Technologies and Materials for Realization of Elastic Elements, July 2018, Springer Science + Business Media,
DOI: 10.1007/978-3-319-96358-7_7.
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