阅读说明：本技术 用于在增材制造系统中使用的挤出机机头的经优化的喷嘴布置 (Optimized nozzle arrangement for an extruder head used in an additive manufacturing system ) 是由 D·A·曼特尔 S·A·舒怀德 C·G·林恩 P·J·奈斯特龙 于 2019-08-15 设计创作，主要内容包括：本发明题为“用于在增材制造系统中使用的挤出机机头的经优化的喷嘴布置”,公开了一种挤出机机头在面板中具有多个喷嘴的布置,该布置避免了在面板中心处与0°-180°轴线和90°-270°轴线相交成角取向处对齐该多个喷嘴。该挤出机机头包括具有面板的外壳,该面板具有多个喷嘴,该多个喷嘴在该喷嘴被投影到该面板的平面中的第一轴线上时彼此等距间隔开,并且该喷嘴在被投影到该面板的该平面中与该第一轴线正交的第二轴线上时彼此等距间隔开。挤出机机头从该面板的该平面中的该第一轴线和该第二轴线的交点沿着任何角路径的移动使得该多个喷嘴中的至少一个喷嘴能够不与任何其它喷嘴对齐。(The present invention, entitled "optimized nozzle arrangement for an extruder head for use in an additive manufacturing system," discloses an arrangement of an extruder head having a plurality of nozzles in a face plate that avoids aligning the plurality of nozzles at an angular orientation intersecting a 0 ° -180 ° axis and a 90 ° -270 ° axis at the center of the face plate. The extruder head includes a housing having a panel with a plurality of nozzles that are equally spaced from each other when the nozzles are projected onto a first axis in a plane of the panel, and the nozzles are equally spaced from each other when projected onto a second axis orthogonal to the first axis in the plane of the panel. Movement of the extruder head along any angular path from the intersection of the first axis and the second axis in the plane of the face plate enables at least one nozzle of the plurality of nozzles to be misaligned with any other nozzle.)

1. An extruder head, comprising:

a housing having at least one manifold configured to hold a volume of extruded material; and

a panel mounted to the housing, the panel having a plurality of nozzles formed therein fluidly connected to the at least one manifold, and the nozzles in the panel being equally spaced from one another when the nozzles are projected onto a first axis in a plane of the panel, and the nozzles being equally spaced from one another when projected onto a second axis in the plane of the panel that is orthogonal to the first axis, and

movement of the extruder head along any angular path from the intersection of the first and second axes in the plane of the face plate enables at least one nozzle of the plurality of nozzles to be misaligned with any other nozzle.

2. The extruder head of claim 1, wherein the number of nozzles in the plurality of nozzles is an odd number.

3. Extruder head according to claim 2, wherein all the nozzles have the same diameter.

4. Extruder head according to claim 3, wherein one of the nozzles is located at the centre in the plane of the face plate.

5. Extruder head according to claim 4, wherein the number of nozzles located on a first side of a central nozzle is equal to the number of nozzles located on a second side of the central nozzle.

6. The extruder head of claim 5, wherein one nozzle of the first side of the center nozzle is a greater distance from the center nozzle than any other nozzle of the first side of the center nozzle, and the same distance from the center nozzle than a nozzle of the second side of the center nozzle that is a greater distance from the center nozzle than any other nozzle of the second side of the center nozzle.

7. Extruder head according to claim 6, wherein the difference between the minimum distance between the central nozzle and the outermost nozzle at any path angle along which the extruder head moves and the maximum distance between the central nozzle and the outermost nozzle at any path angle along which the extruder moves does not exceed a predetermined number of nozzle diameters.

8. The extruder head of claim 7, wherein for the extruder head having eleven or more nozzles, the predetermined number of nozzles is no greater than two in diameter.

9. The extruder head of claim 7, wherein for the extruder head having eleven or more nozzles, the predetermined number of nozzles is 1.5 in diameter.

10. The extruder head of claim 7, wherein for the extruder head having less than eleven nozzles, the predetermined number of nozzles is no greater than 2.5 in diameter.

11. The extruder head of claim 6, wherein the nozzles are spaced from each other by a distance not less than a predetermined distance.

12. The extruder head of claim 11, wherein no nozzle is positioned in the face plate to generate a line of extruded material separated from a line of extruded material generated by an adjacent nozzle determined by the extruder head path of motion by more than a predetermined distance.

13. The extruder head of claim 12, wherein the first axis is aligned with a 0 ° -180 ° axis and the second axis is aligned with a 90 ° -270 ° axis, and the first axis and the second axis intersect at the center of the face plate.

14. The extruder head of claim 13, wherein the number of nozzles is equal to or greater than nine and three or more nozzles are aligned to extrude extrusion material on top of extrusion material extruded by another nozzle at an angle without movement of the extruder head.

15. An extruder head, comprising:

a housing having at least one manifold configured to hold a volume of extruded material;

a faceplate mounted to the housing, the faceplate having a plurality of nozzles formed therein fluidly connected to the at least one manifold, and the nozzles in the faceplate being equally spaced from one another when the nozzles are projected onto a first axis in a plane of the faceplate, and the nozzles being equally spaced from one another when projected onto a second axis in the plane of the faceplate that is orthogonal to the first axis, a number of nozzles in the plurality of nozzles being an odd number, and

movement of the extruder head along any angular path from the intersection of the first and second axes in the plane of the face plate enables at least one nozzle of the plurality of nozzles to be misaligned with any other nozzle.

16. The extruder head of claim 15, wherein one of the nozzles is located at a center in the plane of the face plate.

17. Extruder head according to claim 16, wherein the number of nozzles located on a first side of a central nozzle is equal to the number of nozzles located on a second side of the central nozzle.

18. The extruder head of claim 17, wherein for both the first axis and the second axis, one nozzle of the first side of the center nozzle is a greater distance from the center nozzle than any other nozzle of the first side of the center nozzle, and the same distance from the center nozzle than a nozzle of the second side of the center nozzle that is a greater distance from the center nozzle than any other nozzle of the second side of the center nozzle.

19. The extruder head of claim 18, wherein the difference between the minimum distance between the central nozzle and the outermost nozzle at any path angle along which the extruder head moves and the maximum distance between the central nozzle and the outermost nozzle at any path angle along which the extruder head moves does not exceed a predetermined number of nozzle diameters.

20. The extruder head of claim 19, wherein the first axis is aligned with a 0 ° -180 ° axis and the second axis is aligned with a 90 ° -270 ° axis, and the first axis and the second axis intersect at the center of the face plate.