FUSED DEPOSITION MODELING PROCESS AND APPARATUS

• US 20180104891A1
• Filed: 04/20/2016
• Published: 04/19/2018
• Est. Priority Date: 04/20/2015
• Status: Abandoned Application

• Current Assignee: Bond High Performance 3D Technology B.V.
• Original Assignee: Bond High Performance 3D Technology B.V.
• Inventors: BRUGGEMAN, Thomas Jonathan, BRUGGEMAN, Adrianus
• Application Number:
  US15/568,131
• Publication Number:
  US 20180104891A1
• Time in Patent Office: Days
• CPC Class Codes: B29C 2035/0811 using induction
• CPC Class Codes: B29C 35/0805 using electromagnetic radiation
• CPC Class Codes: B29C 64/106 using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
• CPC Class Codes: B29C 64/118 using filamentary material being melted, e.g. fused deposition modelling [FDM]
• CPC Class Codes: B29C 64/209 Heads; Nozzles
• CPC Class Codes: B29C 64/264 Arrangements for irradiation
• CPC Class Codes: B29C 64/295 Heating elements
• CPC Class Codes: B29C 71/02 Thermal after-treatment B29C71/0063 and B29C71/0072 take precedence
• CPC Class Codes: B29C 71/04 by wave energy or particle radiation , e.g. for curing or vulcanising preformed articles during moulding, e.g. in a mould B29C35/08
• CPC Class Codes: B33Y 10/00 Processes of additive manufacturing
• CPC Class Codes: B33Y 30/00 Apparatus for additive manufacturing; Details thereof or accessories therefor
• CPC Class Codes: H05B 6/106 in the form of fillings
• CPC Class Codes: H05B 6/44 having more than one coil or coil segment

Abstract

Method and system of fused deposition modeling an object including the steps of fused deposition modeling the object of a first fusible material; fused deposition modeling at least one heating element from a second fusible material comprising electromagnetic radiation absorptive material; exposing the heating element to electromagnetic radiation; wherein the fused deposition modeling the object and the fused deposition modeling the at least one heating element are performed by alternatively depositing layers of the object and the at least one heating element. Use of electromagnetic radiation absorptive material in fused deposition modeling.

Claims

1. A method of fused deposition modeling an object comprising the steps of:

fused deposition modeling the object of a first fusible material;

fused deposition modeling at least one heating element from a second fusible material comprising electromagnetic radiation absorptive material;

exposing the heating element to electromagnetic radiation;

wherein

the fused deposition modeling the object and the fused deposition modeling the at least one heating element are performed by depositing layers of the object and the at least one heating element alternatively;

the method further comprising removing the heating element.

3. The method according to claim 1, wherein the exposing the heating element to electromagnetic radiation comprises irradiating the heating element using infrared radiation, and wherein the electromagnetic radiation absorptive material comprises infrared radiation absorptive material.

4. The method according to claim 1, further comprising gradually reducing a strength of the electromagnetic radiation after completing the steps of the method of claim 1.

7. The method according to claim 1, further comprising fused deposition modeling the at least one heating element as a heating layer around the fused deposition modeled object.

12. The method according to claim 3, wherein the infrared radiation absorptive material comprises a filler having a emissivity of at least 0.8.

15. The method according to claim 3, further comprising leaving an air gap between the object and the heating layer.

16. The method according to claim 3, further comprising fused deposition modeling an infrared radiation transparent layer between the object and the heating layer.

17. The method according to claim 3, further comprising fused deposition modeling a heat conducting layer between the object and the heating layer.

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18. A system for fused deposition modeling, comprising:

a deposition modeling printing assembly comprising at least two deposition print heads;

positioning means for positioning the deposition modeling printing assembly;

at least one electromagnetic radiation source;

a power supply for supplying the at least one electromagnetic radiation source;

a control unit, wherein the control unit is arranged for controlling the positioning means, the at least two deposition printheads, and the at least one electromagnetic radiation source, for;

fused deposition modeling the object from a first material;

fused deposition modeling at least one heating element from electromagnetic radiation absorptive material;

exposing the heating element to electromagnetic radiation from the electromagnetic radiation source;

wherein

the fused deposition modeling the object and the fused deposition modeling the at least one heating element are performed by depositing layers of the object and the at least one heating element alternatively;

the at least one electromagnetic radiation source comprising an infrared radiation source.

25. The system according to claim 18, wherein at least one infrared radiation source is arranged laterally of the heating element.

26. The system according to claim 25, further comprising an infrared reflector arranged laterally of the heating element.

27. The system according to claim 18, further comprising a heater for heating a bottom part of the object to be fused deposition modeled.

28. The system according to claim 18, further comprising a heat cover connected to the at least two deposition print heads.

29. The system according to claim 28, wherein the heat cover comprises a heater.

36. The system according to claim 18, wherein the control unit is further arranged for controlling the positioning means, the at least two deposition printheads, and the at least one infrared radiation source for fused deposition modeling the at least one heating element as a heating layer around the fused deposition modeled object.

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