Abstract
Rotary shaft seals are an established standard for sealing rotating shafts [1]. The geometry has been optimized over decades and adapted to the material properties to ensure an optimum sealing capability [2]. With the widespread availability of 3D printing technologies, there is a growing interest in printable seals for replacement parts or prototypes. This means that failed parts can be replaced as quickly as possible and the development process can be significantly accelerated. However, geometries established for conventional production cannot be implemented as 3D printed variants without accepting severe functional restrictions. A seal that can be successfully 3D printed must therefore be specially adapted. The following findings provide an overview of the latest research and development in the field of 3Dprinted rotary shaft seals.
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