Abstract: An assembly for calibrating a head system of a power radiation source of an additive manufacturing apparatus comprises: a calibration plate comprising a plurality of reference marks, and a firing medium made of at least one material that is sensitive to the radiation of the source, this medium leaving visible the reference marks of the calibration plate when it is in place on the latter, characterized in that the firing medium comprises a plurality of windows that are distributed so as to be superposed with the various reference marks of the calibration plate and to leave said marks visible when the firing medium is in place on the calibration plate. There is also a method for calibrating such a system.

Abstract: A kit for the calibration of a head system of a power radiation source of an additive manufacturing device comprises: a calibration plate having a plurality of reference marks, and a firing support made from at least one material sensitive to the radiation of the source, this support leaving the reference marks of the calibration plate visible when it is in place thereon, characterized in that the firing support comprises a plurality of windows distributed in such a way as to become superposed with the various reference marks of the calibration plate and leave them visible when the firing support is in place on the calibration plate. There is also a method for calibrating such a system.

Abstract: A machining apparatus is borne by an articulated arm and includes: a casing defining an opening to be placed by the articulated arm in a machining position so the opening faces the surface to be machined; at least three bearers attached to the casing to rest against the surface to be machined in the machining position; an attachment system fixing the casing to the surface to be machined; at least one support mounted to move with respect to the casing, and a machine-tool mounted on the support; and at least one position sensor providing position parameters representing a relative position of the surface to be machined with respect to the casing. Also included is a control system operating the support and to move the machine-tool with respect to the casing according to a movement instruction, the control system being designed to calculate the movement instruction using the position parameters.

Abstract: A process for the additive manufacture of a part within a machine, the machine including a working surface, a device for spreading the powder layer along at least one longitudinal horizontal direction, at least one injector of powder over the working surface, the injector being movable with respect to the working surface along at least one transverse horizontal direction, and a system for regulating the amount of powder dispensed by the injector, the process including the following stages: moving the injector along a trajectory comprising at least one component parallel to the transverse horizontal direction; and regulating the amount of powder dispensed by the injector at any point of the trajectory of the injector.

Abstract: A machining apparatus is borne by an articulated arm and includes: a casing defining an opening to be placed by the articulated arm in a machining position so the opening faces the surface to be machined; at least three bearers attached to the casing to rest against the surface to be machined in the machining position; an attachment system fixing the casing to the surface to be machined; at least one support mounted to move with respect to the casing, and a machine-tool mounted on the support; and at least one position sensor providing position parameters representing a relative position of the surface to be machined with respect to the casing. Also included is a control system operating the support and to move the machine-tool with respect to the casing according to a movement instruction, the control system being designed to calculate the movement instruction using the position parameters.

Abstract: A machine (1) for the additive manufacture of a component (2) by complete or partial selective melting of a powder comprises: a working chamber (100); a sleeve (3) having a top opening (4) opening into the working chamber (100), and having a vertical central axis (5), a support plate (6) intended to accept the component (2) in the process of being manufactured, a device (7) for actuating the translational movement of the support plate (6) inside the sleeve (3) along the vertical central axis (5) of the sleeve (3), and a component (2) extraction system (8) comprising a container (9), the extraction system (8) further comprising at least one closure plate (12) that is able to move in order to close the bottom opening (15) of the container (9), and the attachment between the support plate (6) and the actuating device (7) being of the removable type.

Abstract: A mobile additive manufacturing installation (10) comprises a main self-supporting frame (12), a main manufacturing housing (14), at least one main additive manufacturing machine (M1) installed inside the main manufacturing housing, a main inerting device (26), a main circulation path and a main airlock (34). The mobile installation also comprises at least one auxiliary manufacturing housing connected to the main manufacturing housing (14), at least one auxiliary additive manufacturing machine (M2, M3) being installed in this auxiliary manufacturing housing, an auxiliary self-supporting frame (112) supporting this auxiliary manufacturing housing and independent of the main self-supporting frame (12), and an auxiliary circulation path (132) being provided in the auxiliary manufacturing housing.

Abstract: A mobile additive manufacturing installation (10) comprises a main self-supporting frame, a main manufacturing housing (14) closed in leaktight fashion, at least one main additive manufacturing machine (M1) installed in the main manufacturing housing, a main inerting device (26), a main circulation path (32) in the main manufacturing housing (14), a main airlock (34), and a main device (42) for treatment of the air circulating inside the main manufacturing housing (14). The main treatment device (42) makes it possible to supply the inside of the main manufacturing housing (14) with air withdrawn outside the installation, to withdraw the air present in the main manufacturing housing (14) and in the main airlock (34), and to manage the pressure of the air present in the main manufacturing housing (14) and in the main airlock (34).

Abstract: A process for the additive manufacture of a part within a machine, the machine including a working surface, a device for spreading the powder layer along at least one longitudinal horizontal direction, at least one injector of powder over the working surface, the injector being movable with respect to the working surface along at least one transverse horizontal direction, and a system for regulating the amount of powder dispensed by the injector, the process including the following stages: moving the injector along a trajectory comprising at least one component parallel to the transverse horizontal direction; and regulating the amount of powder dispensed by the injector at any point of the trajectory of the injector.

Abstract: A kit for the calibration of a head system of a power radiation source of an additive manufacturing device comprises: a calibration plate having a plurality of reference marks, and a firing support made from at least one material sensitive to the radiation of the source, this support leaving the reference marks of the calibration plate visible when it is in place thereon, characterized in that the firing support comprises a plurality of windows distributed in such a way as to become superposed with the various reference marks of the calibration plate and leave them visible when the firing support is in place on the calibration plate. There is also a method for calibrating such a system.

Abstract: An assembly for calibrating a head system of a power radiation source of an additive manufacturing apparatus comprises: a calibration plate comprising a plurality of reference marks, and a firing medium made of at least one material that is sensitive to the radiation of the source, this medium leaving visible the reference marks of the calibration plate when it is in place on the latter, characterized in that the firing medium comprises a plurality of windows that are distributed so as to be superposed with the various reference marks of the calibration plate and to leave said marks visible when the firing medium is in place on the calibration plate. There is also a method for calibrating such a system.

Abstract: A machine (1) for the additive manufacture of a component (2) by complete or partial selective melting of a powder comprises: a working chamber (100); a sleeve (3) having a top opening (4) opening into the working chamber (100), and having a vertical central axis (5), a support plate (6) intended to accept the component (2) in the process of being manufactured, a device (7) for actuating the translational movement of the support plate (6) inside the sleeve (3) along the vertical central axis (5) of the sleeve (3), and a component (2) extraction system (8) comprising a container (9), the extraction system (8) further comprising at least one closure plate (12) that is able to move in order to close the bottom opening (15) of the container (9), and the attachment between the support plate (6) and the actuating device (7) being of the removable type.

Abstract: A mobile additive manufacturing installation (10) comprises a main self-supporting frame, a main manufacturing housing (14) closed in leaktight fashion, at least one main additive manufacturing machine (M1) installed in the main manufacturing housing, a main inerting device (26), a main circulation path (32) in the main manufacturing housing (14), a main airlock (34), and a main device (42) for treatment of the air circulating inside the main manufacturing housing (14). The main treatment device (42) makes it possible to supply the inside of the main manufacturing housing (14) with air withdrawn outside the installation, to withdraw the air present in the main manufacturing housing (14) and in the main airlock (34), and to manage the pressure of the air present in the main manufacturing housing (14) and in the main airlock (34).

Abstract: A mobile additive manufacturing installation (10) comprises a main self-supporting frame (12), a main manufacturing housing (14), at least one main additive manufacturing machine (M1) installed inside the main manufacturing housing, a main inerting device (26), a main circulation path and a main airlock (34). The mobile installation also comprises at least one auxiliary manufacturing housing connected to the main manufacturing housing (14), at least one auxiliary additive manufacturing machine (M2, M3) being installed in this auxiliary manufacturing housing, an auxiliary self-supporting frame (112) supporting this auxiliary manufacturing housing and independent of the main self-supporting frame (12), and an auxiliary circulation path (132) being provided in the auxiliary manufacturing housing.

Abstract: A drilling and milling machine, in particular for component parts of aircraft structures, comprising electric motors powered by a power unit and controlled by a control unit, said machine being connected to a general power supply; the power unit and the control unit are rigidly connected to the machine and the general power supply is separated from the machine.

Abstract: The present invention relates to a machine intended for the machining of profiled elements (10), of the type comprising a longitudinal frame (1) provided with holding dollies (11, 13) for holding the profiled element to be machined (10). This machine is characterized in that it comprises at least two holding dollies (11, 13) capable, in the machining, of securing the slide-holding of the profiled element (10), and at least one drive dolly (15, 17), in which the profiled element (10) is slide-mounted, this drive dolly (15, 17) being provided with a device for securing its temporary fixed connection to the profiled element (10) such that the relative displacement of the latter relative to the machining head (9) in the longitudinal direction (yy?) is secured, at least in part, by the displacement of this drive dolly (15, 17).

Abstract: The present invention relates to a machine intended for the machining of profiled elements (10), of the type comprising a longitudinal frame (1) provided with holding dollies (11, 13) for holding the profiled element to be machined (10). This machine is characterized in that it comprises at least two holding dollies (11, 13) capable, in the machining, of securing the slide-holding of the profiled element (10), and at least one drive dolly (15, 17), in which the profiled element (10) is slide-mounted, this drive dolly (15, 17) being provided with means securing its temporary fixed connection to the profiled element (10) such that the relative displacement of the latter relative to the machining head (9) in the longitudinal direction (yy?) is secured, at least in part, by the displacement of this drive dolly (15, 17).