当前申请(专利权)人地址：
Via I Maggio, 99,Rivalta di Torino,IT
发明人：
PERADOTTO, EDOARDO MARIA | QUARONA, EMANUELE | DE GRASSI, ALESSANDRO
摘要：
An additive manufacturing system for producing a component includes a deposition assembly having a deposition head through which melted feedstock material is deposited, and a compression rig comprising a compression head supporting an inside roller, an outside roller opposing the inside roller, and a top roller, the inside roller applying a compressive load onto an interior side surface of the component, the outside roller applying a compressive load onto an exterior side surface of the component, and the top roller applying a compressive load onto a top surface of the component.
权利要求：
1. An additive manufacturing system (100) for producing a component (102), the additive manufacturing system (100) comprising: a deposition assembly (120) having a deposition head (122) through which melted feedstock material is deposited; and a compression rig (140) comprising a compression head (246) supporting an inside roller (302), an outside roller (306) opposing the inside roller (302), and a top roller (312), the inside roller (302) applying a compressive load onto an interior side surface (102a) of the component (102), the outside roller (306) applying a compressive load onto an exterior side surface (102b) of the component (102), and the top roller (312) applying a compressive load onto a top surface (102c) of the component (102).
2. The additive manufacturing system (100) of claim 1, wherein the inside roller (302) and the outside roller (306) each rotate about a first axis of rotation and a second axis of rotation, respectively, and the top roller (312) rotates about a third axis of rotation perpendicular to the first axis of rotation and the second axis of rotation.
3. The additive manufacturing system (100) of claim 1 or claim 2, wherein the compression rig (140) includes at least one compression actuator (322) moving at least one of the inside roller (302) and the outside roller (306) relative to the other of the inside roller (302) and the outside roller (306).
4. The additive manufacturing system (100) of claim 3, wherein the at least one compression actuator (322) moves the inside roller (302) and the outside roller (306) in unison.
5. The additive manufacturing system (100) of claim 4, further comprising a lever system (402), the lever system (402) comprising: a first pivot segment (404) provided at a proximal end (322a) of the at least one compression actuator (322); a second pivot segment (406) provided at an opposite distal end (322b) of the at least one compression actuator (322); a first linkage member (408) pivotally coupling the first pivot segment (404) to the outside roller (306); and a second linkage member (412) pivotally coupling the second pivot segment (406) to the inside roller (302).
6. The additive manufacturing system (100) of claim 5, wherein the first linkage member (408) is pivotally fixed to a frame (400) of the compression head (246) at a first pivot point (P1), and the second linkage member (412) is pivotally fixed to the frame (400) of the compression head (246) at a second pivot point (P2).
7. The additive manufacturing system (100) of claim 6, wherein operation of the at least one compression actuator (322) in a first mode decreases a distance between the first pivot segment (404) and the second pivot segment (406) and causes the first linkage member (408) and the second linkage member (412) to rotate about the first pivot point (P1) and the second pivot point (P2) to move the outside roller (306) and the inside roller (302) in opposite directions away from one another.
8. The additive manufacturing system (100) of claim 6 or claim 7, wherein operation of the at least one compression actuator (322) in a second mode increases a distance between the first pivot segment (404) and the second pivot segment (406) and causes the first linkage member (408) and the second linkage member (412) to rotate about the first pivot point (P1) and the second pivot point (P2) to move the outside roller (306) and the inside roller (302) in opposite directions toward one another.
9. The additive manufacturing system (100) of claim 3, wherein the compression rig (140) comprises a linear actuator (231) for controlling a vertical position of the top roller (312) independent of movement of the outside roller (306) and the inside roller (302).
10. An additive manufacturing system (100) for producing a component (102), the additive manufacturing system (100) comprising: a rotary build table (104) rotatable about a vertical axis of the rotary build table (104), the rotary build table (104) defining a horizontal build surface on which the component (102) is built; a deposition assembly (120) having a deposition head (122) through which melted feedstock material is deposited; a compression rig (140) comprising a compression head (246) positionable proximate to the deposition head (122), the compression head (246) supporting an inside roller (302), an outside roller (306) opposing the inside roller (302), and a top roller (312), the inside roller (302) applying a compressive load onto an interior side surface (102a) of the component (102), the outside roller (306) applying a compressive load onto an exterior side surface (102b) of the component (102), and the top roller (312) applying a compressive load onto a top surface (102c) of the component (102); and a controller (150) communicably coupled to the deposition assembly (120) and the compression rig (140), wherein the controller (150) is configured to control application of the compressive loads as the deposition head (122) deposits melted feedstock material.
11. The additive manufacturing system (100) of claim 10, wherein the controller (150) is configured to the control a magnitude of the compressive load.
12. The additive manufacturing system (100) of claim 10 or claim 11, wherein the compression rig (140) includes a compression actuator (322) communicatively coupled to the controller (150) and configured to move the inside roller (302) and the outside roller (306).
13. A method of additively manufacturing a component (102), the method comprising: depositing melted feedstock material onto a build surface of a rotary build table (104) to form the component (102); rotating the rotary build table (104) about a vertical axis of the rotary build table (104); applying a compressive load onto an interior side surface (102a) of the component (102) by an inside roller (302); applying a compressive load onto an exterior side surface (102b) of the component (102) by an outside roller (306); and applying a compressive load onto a top surface (102c) of the component (102) by a top roller (312).
14. The method of claim 13, wherein the outside roller (306) and the inside roller (302) are supported on a compression head (246), the compression head comprising a compression actuator (322) and a lever system (402) that maintains spacing between the inside roller (302) and the outside roller (306) to track a shape of the component (102).
15. The method of claim 13, wherein the inside roller (302) and the outside roller (306) each rotate about a first axis of rotation and a second axis of rotation, respectively, and the top roller (312) rotates about a third axis of rotation perpendicular to the first axis of rotation and the second axis of rotation.