The article is already very old.
But perhaps it should be answered, since it can always be used.
The grinding mechanism of the Titanium is made of steel, but this does not have to be a disadvantage for a long time.
Ceramic is a very complex material to process, which is why these grinding mechanisms are (still) much more expensive than the old cone grinding mechanisms made of steel, should they ever fail.
Ceramic grinders are by no means a guarantee for an unlimited service life and freedom from wear which the manufacturers want to convey again and again.
The ceramic discs can also be destroyed by unfortunate circumstances such as mechanical influences, incorrect settings, etc. Moreover, in a long-term test (Stiftung Warentest) over 6000 cups did not withstand the grinding plants and failed with several machines before the end of the endurance test. More precise information is not available. However, Saeco was unable to explain or reproduce these failures at that time on request.
The first generation of ceramic selectors in Sirius Deluxe and Sirius were already significantly quieter than the conventional steel cone grinders, but could be adjusted externally during the grinding process in several stages as required (grinding degree).
An advantage of today's state-of-the-art ceramic disk grinders is the inimitably quiet grinding noise.
Disadvantage: Due to self-destruction due to incorrect setting (too wide a composition of the grinding disks in the direction of fine), these are hardly or only extremely limited and cumbersome to adjust by the user.
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Gruß, Saeconutzer
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