What is it about?
The authors developed a study for behaviour of Geneva mechanism considering different materials and technologies. Generally, there are three basic types of Geneva motion mechanisms named external, internal and spherical. In this paper the authors considered external Geneva mechanism
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Why is it important?
In this paper a Geneva mechanism was studied and successfully realized with the help of additive technologies from five different materials. The models obtained are used as demonstration stands used in didactic applications. Of the five investigated materials, ABS and PLA + Copper have been proved to have properties and characteristics close to mechanical engineering applications and these results are demonstrated by graphs. ABS also has the advantage of lighter weight, which makes it suitable for applications where low mass is needed. It can also be concluded that the angular speed of the drive element is inversely proportional to the difference between the angular speeds of the Malta crosses.
Perspectives
The latest years have brought spectacular developments to these new 3D printing technologies, which makes it possible today to find a wide variety of products manufactured by these new technologies and many in development, making them more and more competitive in wider areas. Applications of AM technologies in this area are gaining more and more importance. Challenges are related to finding and approving new materials that can be put into desirable physical forms with the most appropriate mechanical, increasing dimensional precision and surface quality, making parts from different materials with a functional gradient.
Assoc. Professor Ciprian Ion Rizescu
University POLITEHNICA of Bucharest
Read the Original
This page is a summary of: Study behavior of Geneva mechanism using 3D printing technology, IOP Conference Series Materials Science and Engineering, June 2019, Institute of Physics Publishing,
DOI: 10.1088/1757-899x/514/1/012032.
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