Method for the additive manufacture of a turbomachine component
A method for manufacturing a component, in particular a turbomachine component, in the form of a plurality of superposed layers of a material, includes a step of supplying the material into a feed nozzle and a step of projecting energy towards the feed nozzle to cause the material passing through the latter to melt. The method further includes a step of cooling the feed nozzle with a cooling element during the step of projecting energy.
1 . A method for manufacturing a component in a form of a plurality of superposed layers of a material on a manufacturing support, the method comprising the steps of:
supplying the material into a feed nozzle;
projecting energy towards the material to cause the material to melt on the manufacturing support; and
cooling the feed nozzle by means of a cooling element during the energy projection step, wherein the cooling element is projected over an entire height of an external surface of feed nozzle to maintain geometric characteristics of feed nozzle, wherein the energy projection element is directed towards the material leaving the feed nozzle so as to melt the material before it is deposited on the manufacturing support.
2 . The method according to claim 1 , wherein the material is in a form of wire.
3 . The method according to claim 1 , wherein the material is metallic.
4 . The method according to claim 1 , wherein the cooling element is projected at a pressure of between 1 and 3 bar.
5 . The method according to claim 1 , wherein the cooling element has a temperature in a range of 20° C.
6 . The method according to claim 1 , wherein the cooling element is a neutral gas flow.
7 . The method according to claim 1 , wherein the energy projection step is performed with a laser beam.
8 . The method according to claim 1 , wherein the projection of the cooling element is continuous.
9 . The method according to claim 1 , wherein the method comprises wire laser metal deposition (LMD) additive manufacturing.
10 . The method according to claim 1 , further comprising a step of depositing the material on the manufacturing support, the step of cooling the feed nozzle being carried out during the projection and deposition step.
11 . An installation for carrying out a method for manufacturing a component in a form of a plurality of superposed layers of a material on a manufacturing support, the installation comprising a feed nozzle for the material for manufacturing the component and an element configured to project energy towards the material to melt the material on the manufacturing support, wherein at least one spray nozzle is configured to project a cooling element onto an external surface of feed nozzle and over an entire height of the feed nozzle to maintain a geometric characteristics of feed nozzle.
12 . The installation according to claim 11 , wherein the spray nozzle is arranged at a distance of between 3 and 10 cm from the feed nozzle and being distinct from the spray nozzle.
13 . The installation according to claim 11 , wherein the spray nozzles are arranged one above the other in a direction parallel to a height of the feed nozzle.
14 . The installation according to claim 11 , wherein the spray nozzle or all the spray nozzles and the feed nozzle are fixed relative to each other.
15 . The method according to claim 6 , wherein the neutral gas flow is nitrogen or argon.
16 . The method according to claim 1 , wherein the component is a turbomachine component.
17 . The installation according to claim 11 , wherein the component is a turbomachine component.
18 . The method according to claim 1 , wherein cooling element is projected at outside the feed nozzle and at a predetermined distance from the feed nozzle, the cooling element is projected transversely.
19 . The installation according to claim 11 , wherein the element configured to project energy is arranged at the opposite of the feed nozzle and outside the feed nozzle.
20 . The installation according to claim 19 , wherein the element configured to project energy is arranged at the opposite of the feed nozzle and has an axis coaxial with the axis of the feed nozzle.
21 . The installation according to claim 19 , wherein the element configured to project energy is arranged in a head which is distinct and separate from the feed nozzle.
22 . The installation according to claim 21 , wherein the element configured to project energy has an axis transversal with the axis of the feed nozzle.
23 . A method for manufacturing a component in a form of a plurality of superposed layers of a material on a manufacturing support, the method comprising the steps of:
supplying the material into a feed nozzle;
projecting energy towards the material to cause the material to melt on the manufacturing support; and
cooling the feed nozzle by means of a cooling element during the energy projection step,
wherein the cooling element is projected over an entire height of the feed nozzle to maintain geometric characteristics of feed nozzle,
wherein several spray nozzles are arranged one above the other in a direction parallel to a height of the feed nozzle and the cooling element is projected along a direction perpendicular to the entire height of the feed nozzle,
wherein the energy projection element is directed towards the material leaving the feed nozzle so as to melt the material before it is deposited on the manufacturing support.