MATEC Web Conf.
Volume 287, 20196th International BAPT Conference “Power Transmissions 2019”
|Number of page(s)||9|
|Section||Fatigue, Load Carrying Capacity, Durability, Reliability|
|Published online||14 August 2019|
Durability Investigation of plastic gears
Podkrižnik d.o.o., Lesarska c. 10, 3331 Nazarje;
University of Novo mesto, Na Loko 2, 8000 Novo mesto, Slovenia
2 Podkrižnik d.o.o., Lesarska c. 10, 3331 Nazarje, Slovenia
* Corresponding author: email@example.com
Plastic materials can be used for various gears and gear mechanisms due to their qualities, like wear resistance when running dry, low noise, vibration damping, low inertia, low manufacturing cost, etc. However, they also expose with temperature connected problems like rapidly decreasing load, thermal expansion and accuracy of moulded gears. Therefore, it is a challenge to produce gears with adequate accuracy and durability to serve in contemporary mechatronic applications in automotive, in medical equipment and many other industries. Such materials are POM, PA6, PA66, PEEK, reinforced plastic materials, etc. and steel. Proper combination of such materials can result in long and reliable operation of such mechanisms. On the other hand, S-gears offer improved properties in comparison to involute (Egears), which essentially comprise lower contact pressure, less sliding and frictional losses, stronger root and improved oil film when lubricated. The goal is development of advanced power transmission drive components made of polymers. So, a material database, a testing system and testing procedures with varying material combinations and gear pairs according to VDI are necessary to support a designer in proper decisions. Some material properties, especially fillers are presented. Furthermore, testing facilities, gears and some results are discussed.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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