| Issue |
MATEC Web Conf.
Volume 299, 2019
Modern Technologies in Manufacturing (MTeM 2019)
|
|
|---|---|---|
| Article Number | 01012 | |
| Number of page(s) | 6 | |
| Section | Additive Manufacturing and Non-traditional Technologies | |
| DOI | https://doi.org/10.1051/matecconf/201929901012 | |
| Published online | 02 December 2019 | |
The kinematic approach to edge-chipping in rotary ultrasonic machining of Al2O3
1
Slovak University of Technology, Faculty of Materials Science and Technology, Institute of Production Technologies,
Bottova 25,
91724
Trnava,
Slovakia
2
BOGE Elastmetall Slovakia a.s., Product development,
Strojárenská 5,
291702
Trnava,
Slovakia
* Corresponding author: marcel.kuruc@stuba.sk
Rotary ultrasonic machining (RUM) is useful in the machining of difficult-to-cut materials such as Al2O3. However, the edge-chipping occurs in the machined surface because of the brittleness of ceramics.The origin of edge-chipping is clear in general and several methods to its reduction have been published, briefly described in the article. The article brings new, kinematics based view on the edge-chippingorigin and a method of its reduction. Theoretical equations were deduced based on the grit´s trajectory characterized by machining variables of the processes. The equations have been employed in a full factorial experiment and experimental results fit the theoretical assumption satisfyingly. The edge–chipping was reduced by supposed method significantly.
© The Authors, published by EDP Sciences, 2019
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