Build material application device for an apparatus for additively manufacturing three-dimensional components

1. A method for manufacturing a build material application member of a build material application device or a build material application device for an apparatus for additively manufacturing three-dimensional components, the method comprising:

providing build data concerning a build material application member or a build material application device to be manufactured,

additively manufacturing the build material application member or the build material application device by successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated with an energy beam; and

additively manufacturing at least one portion of a streaming channel of the build material application member or the build material application device based on at least one optimization criterion, wherein the streaming channel is configured for laminar streaming and extends longitudinally in a meander-like manner between a streaming channel inlet and at least one streaming channel outlet provided with the build material application member or the build material application device.

2. The method according to claim 1 , wherein the build data specify a geometric-constructive design of the build material application member or the build material application device, respectively derived from a simulated model, of the build material application member or application device, respectively, the simulated model being generated on basis of at least one pre-defined optimization criterion.

3. The method according to claim 1 , further comprising:

forming a pneumatic attaching device at least in part with the streaming channel structure.

4. The method according to claim 3 , further comprising:

pneumatically attaching at least one further build material application member to the build material application member provided with the streaming channel structure.

5. A build material application device for an apparatus for additively manufacturing three-dimensional components by successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated with an energy beam the build material application device being configured to apply a layer of build material in a build plane of a respective apparatus, the build material application device comprising:

at least one build material application member;

a streaming channel structure of the at least one build material application member, the streaming channel structure comprising at least one streaming channel configured for laminar streaming and extending longitudinally in a meander-like manner between a streaming channel inlet and at least one streaming channel outlet provided with the build material application member; and

a pneumatic attaching device formed at least in part by the streaming channel structure and configured to pneumatically attach at least one further build material application member to the at least one streaming channel outlet of the build material application member provided with the streaming channel structure, wherein the at least one streaming channel is at least partially additively manufactured.

6. The build material application device according to claim 5 , wherein the build material application device comprises at least two build material application members attachable or attached to each other, wherein at least one build material application member is at least partially additively manufactured by successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated with an energy beam.

7. The build material application device according to claim 1 , wherein the streaming channel structure forms part of the pneumatically attaching device configured to attach the at least one further build material application member to the build material application member provided with the streaming channel structure.

8. The build material application device according to claim 1 , wherein the at least one build material application member at least partially comprises a geometric-constructive design derived from a simulated model, of the build material application member or the build material application device, the simulated model being generated on basis of at least one pre-defined optimization criterion.

9. The build material application device according to claim 8 , wherein the at least one build material application member at least partially comprises a geometric-constructive design derived from a topology optimized simulated model.

10. The build material application device according to claim 1 , wherein the at least one build material application member at least partially comprises a bionic geometric constructive design derived from a simulated model of the build material application member or the build material application device, the simulated model being generated on basis of at least one pre-defined optimization criterion.

11. The build material application device according to claim 1 , wherein the at least one build material application member is a support member configured to support at least one further build material application member, or to support a detection member configured to detect at least one chemical and/or physical detection quantity.

12. An apparatus for additively manufacturing three-dimensional components by successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated with an energy beam, the apparatus comprising at least one build material application device according to claim 1 .

13. A non-transitory computer readable storage medium storing code representative of:

a build material application member for a build material application device, the build material application member physically generated upon execution of the code by a computerized additive manufacturing apparatus, the code comprising code representing the build material application member; and

at least one streaming channel structure extending through the build material application device having at least one streaming channel being at least partially additively manufactured, wherein the streaming channel is configured for laminar streaming and extends longitudinally in a meander-like manner between a streaming channel inlet and at least one streaming channel outlet provided with the build material application member.

14. The non-transitory computer readable storage medium according to claim 13 , wherein the code further comprises:

a pneumatic attaching device formed at least in part by the streaming channel structure and configured to pneumatically attach at least one further build material application member to the build material application member provided with the streaming channel structure.