English ⋅ Nautilus
®
CC plus ⋅ Nautilus
®
T
25
86105 BA-en/00
Basic principles: Crucible
Always use crucible and inserts for the same alloy.
Crucibles can be marked with a pencil.
Burn hazard from hot surfaces!
• Only touch crucible handles with
safety gloves.
• Always use mould tongs to move
crucible inserts!
Recommendation: Only use BEGO crucibles
(identifiable by the BEGO logo)! Crucibles of
other manufacturers frequently have incorrect
dimensions. This will lead to faulty casts when
the crucible opens too late of if the melt flows out
of the crucible too early.
Screw the handles tightly onto the crucible.
When inserts are used, the handles
become extremely hot: plastic
handles would melt!
Inserts (made of graphite or glassy
carbon) require ceramic handles!
Graphite inserts are subject to wear and must be
replaced in time! Used inserts can be identified
through their weight (graphite ~6 g, glassy
carbon ~5 g) and also by the fact that the
temperature increase during the melting
process slows down from one casting process to
the next. The casting temperature can no longer
be reached with worn graphite inserts!
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