Three-dimensional printer
First Claim
1. An apparatus for removing loose powder from the surface of a three-dimensional printed object, comprising:
- an enclosure for holding the object;
a blower for creating an airflow;
at least one filter for removing powder from the airflow;
a system of ducts for channeling the airflow to the enclosure; and
a tool coupled to the ducts for blowing compressed air onto the object.
2 Assignments
0 Petitions
Accused Products
Abstract
A three-dimensional printer uses inkjet-type printheads to rapidly prototype, or print, a three-dimensional model. A powder feeder includes a conveyor system and a metering system to deliver powder to a build area in measured quantities. The powder feeder also includes a vacuum system for loading powder into a feed reservoir or chamber. The vacuum system can also be used to cleanup excess powder. Other powder control features include powder gutters and magnetic powder plows. During printing, a cleaning system operates to remove powder from the printheads. In the event of a printhead or jet failure, the failure can be detected and corrective measures taken automatically. After printing, the model can be depowdered and infiltrated in an enclosure.
116 Citations
12 Claims
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1. An apparatus for removing loose powder from the surface of a three-dimensional printed object, comprising:
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an enclosure for holding the object; a blower for creating an airflow; at least one filter for removing powder from the airflow; a system of ducts for channeling the airflow to the enclosure; and a tool coupled to the ducts for blowing compressed air onto the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of removing loose powder from the surface of a three-dimensional printed object, the method comprising:
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holding the object in an enclosure; creating an airflow; removing powder from the airflow with at least one filter; channeling the airflow to the enclosure through a system of ducts; and operating a tool coupled to the ducts for blowing compressed air onto the object. - View Dependent Claims (10, 11)
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12. An apparatus for removing loose powder from the surface of a three-dimensional printed object, comprising:
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a means for holding the object in an enclosure; a means for creating an airflow; a means for removing powder from the airflow with at least one filter; a means for channeling the airflow to the enclosure through a system of ducts; and a means for operating a tool coupled to the ducts for blowing compressed air onto the object.
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Specification