Filament drying system
AssigneeThought3D Limited
InventorsKeith Azzopardi, Edward Borg
Life of this patent
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Abstract
A system (27) arranged to dry a filament (5) used in additive manufacture, the system (27) comprising: a first heater (55) arranged to heat air; a tubing section (29) having a wall (31) defining an enclosed passage (33), the passage (33) arranged to convey a filament (5), the tubing section (29) having an air inlet (51) for providing heated air from the first heater (55) into the passage (33); and a second heater (59) arranged around along at least part of the tubing section (29), in order to further heat filament (5) within the passage (33).
Claims35
A system arranged to dry a filament used in additive manufacture, the system comprising:
- a first heater arranged to heat air;
- a tubing section having a wall defining an enclosed passage, the passage arranged to convey a filament, the tubing section having an air inlet for providing heated air from the first heater into the passage;
- and
- a second heater arranged along at least part of the tubing section, in order to further heat filament within the passage.
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An additive manufacturing machine comprising:
- a filament store;
- a deposition head including a liquefier for liquefying filament;
- a filament guide for feeding filament from the filament store to the liquefier;
- and
- a system for drying the filament, comprising:
- a first heater arranged to heat air;
- a tubing section having a wall defining an enclosed passage, the passage arranged to convey a filament, the tubing section having an air inlet for providing heated air from the first heater into the passage;
- and
- a second heater arranged along at least part of the tubing section, in order to further heat filament within the passage;
- wherein the tubing section of the system for drying the filament forms at least part of the filament guide.
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Dependencies are inferred from the claim text.