Abstract: Methods of additively manufacturing a three-dimensional object by one or more energy beams include selectively directing a first energy beam across a powder bed along a plurality of first hatching paths and a first contour path that defines a first outer contour portion and a first stitching portion, wherein the first outer contour portion at least partially defines a first edge portion of an outer edge of the three-dimensional object, and wherein the first edge portion is non-linear; and selectively directing a second energy beam across the powder bed along a plurality of second hatching paths and a second contour path that at least partially defines a second edge portion of the outer edge of the three-dimensional object, wherein the second edge portion is adjacent the first edge portion, and wherein the first stitching portion extends into the plurality of second hatching paths along a non-linear stitching path.

Abstract: Methods of additively manufacturing a three-dimensional object by one or more energy beams include selectively directing a first energy beam across a powder bed along a plurality of first hatching paths and a first contour path that defines a first outer contour portion and a first stitching portion, wherein the first outer contour portion at least partially defines a first edge portion of an outer edge of the three-dimensional object, and wherein the first edge portion is non-linear, and selectively directing a second energy beam across the powder bed along a plurality of second hatching paths and a second contour path that at least partially defines a second edge portion of the outer edge of the three-dimensional object, wherein the second edge portion is adjacent the first edge portion, and wherein the first stitching portion extends into the plurality of second hatching paths along a non-linear stitching path.

Abstract: The invention relates to a transport device (1) and a method for distributing a plurality of similarly shaped and dimensioned articles (10). The transport device (1) comprises an infeed (2) for conveying articles (10) in a mass flow, and a distribution section (3) downstream of the infeed (2), where the distribution section (3) leads into a row transport (4), where the articles (10) are conveyed in at least two separate parallel rows (5). The transport device (1) also comprises at least one sensor device (6, 8, 11) signal-coupled to a motor-driven actuator (14) assigned to the distribution section (3) In the event of detected gaps, interruptions, or in the event of a detected termination of the mass flow within the infeed (2) or within the distribution section (3) or within the rows (5), the actuator (14) moves a movable steering device (16) adjoining the mass flow.

Abstract: A device (1) for applying packaging film to groups of articles (12) is disclosed. The device (1) comprises a horizontal conveyor (5) for transporting groups of articles (12) and a feed apparatus which is designed to introduce pieces of cut packaging film (14) into a transport path of the groups of articles (12) transported by the at least one horizontal conveyor (5). Furthermore, a plurality of wrapping rods (30) are provided, which are moved in a rotary fashion such that they take up a remaining free portion (17) of the piece of cut packaging film (14) and guide it around the group of articles (12) each time. A flow generating apparatus (40) is provided which is designed to generate at least one air volume flow, via which a remaining free portion (17) of the piece of cut packaging film (14) which has already been taken up by a wrapping rod (30) can be blown toward the group of articles (12) each time.

Abstract: Methods and apparatus for recoating parameter control are disclosed. An example apparatus disclosed herein includes a blade holder, a blade, and a control element disposed within the blade holder, the control element to move the blade between a first position and a second position, the apparatus having a first stiffness when the blade is in the first position, the apparatus having a second stiffness when the blade is in the second position, the first stiffness greater than the second stiffness.

Abstract: Methods and apparatus for recoating parameter control are disclosed. An example apparatus disclosed herein includes a blade holder, a blade, and a control element disposed within the blade holder, the control element to move the blade between a first position and a second position, the apparatus having a first stiffness when the blade is in the first position, the apparatus having a second stiffness when the blade is in the second position, the first stiffness greater than the second stiffness.

Abstract: An apparatus for additively manufacturing three-dimensional objects may include at least one calibration unit, at least one irradiation device, and a determination device. The least one calibration unit may include at least one calibration region arranged in the beam guiding plane, and the at least one calibration region may include a plurality of sub-regions differing in respect of at least one optical property. The at least one irradiation device may be configured to guide a plurality of energy beams across the at least one calibration region comprising the plurality of sub-regions, and a plurality of calibration signals may be generated by the plurality of sub-regions being irradiated with the plurality of energy beams. The determination device may be configured to determine the plurality of calibration signals and to determine a calibration status of the irradiation device based at least in part on the determined plurality of calibration signals.

Abstract: Methods of additively manufacturing a three-dimensional object by one or more energy beams include selectively directing a first energy beam across a powder bed along a plurality of first hatching paths and a first contour path that defines a first outer contour portion and a first stitching portion, wherein the first outer contour portion at least partially defines a first edge portion of an outer edge of the three-dimensional object, and wherein the first edge portion is non-linear, and selectively directing a second energy beam across the powder bed along a plurality of second hatching paths and a second contour path that at least partially defines a second edge portion of the outer edge of the three-dimensional object, wherein the second edge portion is adjacent the first edge portion, and wherein the first stitching portion extends into the plurality of second hatching paths along a non-linear stitching path.

Abstract: An apparatus for additively manufacturing three-dimensional objects may include at least one calibration unit, at least one irradiation device, and a determination device. The least one calibration unit may include at least one calibration region arranged in the beam guiding plane, and the at least one calibration region may include a plurality of sub-regions differing in respect of at least one optical property. The at least one irradiation device may be configured to guide a plurality of energy beams across the at least one calibration region comprising the plurality of sub-regions, and a plurality of calibration signals may be generated by the plurality of sub-regions being irradiated with the plurality of energy beams. The determination device may be configured to determine the plurality of calibration signals and to determine a calibration status of the irradiation device based at least in part on the determined plurality of calibration signals.

Abstract: A method of additively manufacturing three-dimensional objects, and/or a method of controlling one or more irradiation parameters of the energy beam system, may include determining an irradiation setting using an irradiation control model and outputting an irradiation control command to an energy beam system based at least in part on the irradiation setting. The irradiation control model may be configured to determine the irradiation setting based at least in part on a power density factor and/or an irradiation vector factor. The irradiation control command may be configured to change one or more irradiation parameters for additively manufacturing a three-dimensional object. An additive manufacturing system may include an energy beam system and a control system that includes an irradiation controller. The irradiation controller may include a control module configured to perform such a method.

Abstract: The invention relates to a transport device (1) and a method for distributing a plurality of similarly shaped and dimensioned articles (10). The transport device (1) comprises an infeed (2) for conveying a plurality of similarly shaped and dimensioned articles (10) in a mass flow; a distribution section (3) downstream of the infeed (2), which distribution section (3), in the conveying direction (FR) of the articles (10), leads into a row transport (4), in which distribution section (3) the articles (10) are conveyed onwards or transported away in at least two separate parallel rows (5).

Abstract: A device (1) handling articles comprises at least one work module (30), which can move packages with article placed on a first packaging type and at least one folding mechanism (45) used to erect back and/or front flaps of the first packaging type. Another component of the device (1) is at least one transport module (20), with a transport device (2), along which articles intended for packages of a second packaging type move, where the second packaging type differs from the first packaging type. The at least one folding mechanism (45) and the transport device (2) alternate between an operating position (BP) and a waiting position (WP). The operating positions (BP) and the waiting positions (WP) are configured such that the at least one folding mechanism (45) is disposed exclusively adjacent to the right side or to the left side of the transport means (2).

Abstract: A packaging device (1) for producing packs each comprising several articles is disclosed. The packaging device (1) comprises at least one horizontal conveying device and at least one manipulator (25, 35). Article groups are moved via the at least one horizontal conveying device into a working area (AP1, AP2) of the at least one manipulator (25, 35). The at least one manipulator (25, 35) is designed to combine respective articles of a respective article group, which are moved into its working area (AP1, AP2) via the at least one horizontal conveying device, and for this purpose can apply at least one packaging material (40) to the respective article group.

Abstract: Methods and apparatus for recoating parameter control are disclosed. An example apparatus disclosed herein includes a blade holder, a blade, and a control element disposed within the blade holder, the control element to move the blade between a first position and a second position, the apparatus having a first stiffness when the blade is in the first position, the apparatus having a second stiffness when the blade is in the second position, the first stiffness greater than the second stiffness.

Abstract: A method of additively manufacturing three-dimensional objects may include determining an irradiation regime for a plurality of object elements of a layer of an object to be additively manufactured, and forming the plurality of object elements at least in part by irradiating a layer of a build plane with one or more irradiation devices of the additive manufacturing machine. The plurality of object elements may include a core region and a shell region. The shell region may at least partially surround the core region. The irradiation regime for at least one of the plurality of object elements may include a core-shell irradiation regime. Additionally, or in the alternative, the irradiation regime for at least one of the plurality of object elements may include a core-shell apportioned irradiation regime.

Abstract: A method of calibrating an additive manufacturing machine may include comparing a calibration image to a reference image and performing a calibration operation based at least in part on the comparison. The reference image and the calibration image may be determined from image data obtained by an imaging system included as part of or associated with an additive manufacturing machine. The reference image may portray a reference pattern having been irradiated upon a build plane of the additive manufacturing machine by a first beam generation device, and the calibration image may portray a calibration pattern having been irradiated upon the build plane of the additive manufacturing machine using a second beam generation device. The calibration operation may include calibrating an energy beam system that includes the first beam generation device and/or the second beam generation device, and/or the calibration operation may include calibrating the imaging system.

Abstract: A method of additively manufacturing three-dimensional objects, and/or a method of controlling one or more irradiation parameters of the energy beam system, may include determining an irradiation setting using an irradiation control model and outputting an irradiation control command to an energy beam system based at least in part on the irradiation setting. The irradiation control model may be configured to determine the irradiation setting based at least in part on a power density factor and/or an irradiation vector factor. The irradiation control command may be configured to change one or more irradiation parameters for additively manufacturing a three-dimensional object. An additive manufacturing system may include an energy beam system and a control system that includes an irradiation controller. The irradiation controller may include a control module configured to perform such a method.

Abstract: Disclosed is a system (1) for forming a transport section for a packaging line and for coordinating the transport section to individual articles or article sets with different packaging types. The system (1) comprises at least one module (3), which at least one module (3) has at least two individual module units (5, 7), which at least two individual module units (5, 7) cooperate in a first operating mode (B1) of the system (1) for the transport of individual articles or article sets provided for a first packaging type. It is furthermore provided that the at least two individual module units (5, 7) are each designed to be movable, and that the system (1) is transferable by way of a movement of the at least two individual module units (5, 7) into a second operating mode (B2), which is aligned to a transport of individual articles or article sets provided for a second packaging type that differs from the first packaging type.

Abstract: An apparatus for additively manufacturing three-dimensional objects may include at least one calibration unit, at least one irradiation device, and a determination device. The least one calibration unit may include at least one calibration region arranged in the beam guiding plane, and the at least one calibration region may include a plurality of sub-regions differing in respect of at least one optical property. The at least one irradiation device may be configured to guide a plurality of energy beams across the at least one calibration region comprising the plurality of sub-regions, and a plurality of calibration signals may be generated by the plurality of sub-regions being irradiated with the plurality of energy beams. The determination device may be configured to determine the plurality of calibration signals and to determine a calibration status of the irradiation device based at least in part on the determined plurality of calibration signals.

Abstract: The invention relates to an apparatus (1) with at least two modules that are selectively transferable into a specific operating position (BL) for handling of individual articles or article sets. The apparatus (1) comprises at least one transport module (3) that moves individual articles or article sets with a first packaging type and at least one work module (5) that moves individual articles or article sets with a second, different, packaging type. The work module (5) can handle packaging material during the movement, with the packaging material being in contact with the individual articles or article sets. The apparatus (1) has an operating position (BL) and a waiting position (W1), into which operating position (BL) the transport module (3) or the work module (5) can be selectively inserted, and into which waiting position (W1) the transport module (3) is transferable by removing it from the specific operating position (BL).