Production device for additive manufacturing of a three-dimensional component from a construction material and method for manufacturing such a component

Abstract

The present invention relates to a production device for the additive manufacturing of a three-dimensional component from a construction material. The production device comprises at least one construction platform unit on which the component can be constructed in layers. The construction platform unit is arranged in the interior of a process chamber in which the construction process is carried out under controlled conditions. The device further comprises at least one coating unit, which is arranged within the process chamber and precisely applies the construction material to the construction platform unit. In addition, at least one irradiation unit is provided, which is arranged above the construction platform unit and selectively solidifies the applied construction material. According to the invention, the process chamber is equipped with at least two access points arranged on different sides of the process chamber. This arrangement allows improved accessibility and operation of the process chamber, in particular for maintenance and cleaning work. Accessibility on multiple sides contributes to increasing the efficiency and flexibility of the production device, in particular in the case of large-volume construction processes or complex components.

Description

[0001] AMCM GmbH November 14, 2025 M / AMCM-024-PC PF / cg

[0002] Manufacturing device for the additive manufacturing of a three-dimensional component from a build-up material and method for manufacturing such a component

[0003] Description

[0004] The invention relates to a manufacturing device for the additive manufacturing of a three-dimensional component from a build-up material and a method for manufacturing such a component.

[0005] Manufacturing devices for the additive manufacturing of a three-dimensional component are known and are characterized by the fact that the component is built up by layer-by-layer application and locally selective solidification of the build material. For this purpose, such a manufacturing device typically comprises at least one coating unit for layer-by-layer application of the build material and at least one irradiation unit for solidifying the material at the desired locations. The build platform unit, on which the component is built up layer by layer, is usually located inside a process chamber, in which the build process takes place under controlled conditions, for example, under a protective gas atmosphere or at defined temperatures.

[0006] Especially with large-volume manufacturing devices that offer large build volumes, the accessibility of the process chamber presents a challenge. Access to the build platform unit and other components of the process chamber is hampered by the chamber's dimensions, particularly when the components themselves are large or have complex geometries. This limited accessibility can significantly delay maintenance and the replacement of parts or components of the manufacturing device, leading to longer downtimes and reduced productivity.

[0007] The present invention therefore aims to provide a manufacturing device for the additive manufacturing of three-dimensional components, in which measures are taken, particularly for large component sizes, to improve accessibility of the MEISSNER BOLTE M / AMCM-024-PC 2

[0008] to improve the process chamber and reduce maintenance and replacement times.

[0009] A manufacturing device for the additive manufacturing of a three-dimensional component from a build-up material is proposed.

[0010] The manufacturing device according to the invention comprises at least one build platform unit on which the component can be built up layer by layer. The build platform unit is arranged inside a process chamber. Furthermore, the manufacturing device comprises at least one coating unit by means of which the build material can be applied to the build platform unit within the process chamber. The at least one coating unit is arranged within the process chamber. In addition, the manufacturing device comprises at least one irradiation unit with which the build material can be solidified on the build platform unit. The irradiation unit is arranged above the build platform unit.

[0011] According to the invention, the process chamber of the manufacturing device is designed to have at least two access points to the interior, with the access points being arranged on different sides of the process chamber. This design allows for improved accessibility to the build platform unit as well as to other components of the process chamber, particularly in large-volume manufacturing devices. The arrangement of the access points on different sides of the process chamber also facilitates maintenance work or the replacement of elements and components.

[0012] The build platform unit is a central element of the manufacturing device for the additive manufacturing of a three-dimensional component and serves as the foundation on which the component is built layer by layer. The build platform unit is located within the process chamber and is typically vertically movable to enable the layer-by-layer construction of the component. After each layer of build material has been applied and solidified, the build platform unit is lowered in controlled steps to make room for the next layer.

[0013] The surface of the build platform unit is preferably designed to be flat and stable in order to ensure a uniform layer thickness and precise alignment of the component MEISSNER BOLTE M / AMCM-024-PC 3

[0014] to ensure this precision throughout the entire construction process. This precision is particularly crucial for the first layer of material, as it forms the basis for the further construction of the component.

[0015] The manufacturing device can comprise one or more build platform units.

[0016] Using a single build platform unit allows for a compact design of the manufacturing device and simpler control of process parameters. Maintenance and replacement of the build platform unit are also less complex, as only one unit needs to be considered. However, in this case, production capacity is limited to one component per build process, which can lead to longer production times for large-volume components.

[0017] The use of multiple build platform units offers the advantage of enabling the parallel production of different components. This significantly increases the efficiency and productivity of the manufacturing setup. Furthermore, the build platform units can be independently exchanged or adapted to specific requirements. For example, one build platform unit can be used for large-volume components and another for smaller, high-precision components. However, the use of multiple build platform units requires careful process coordination to avoid interference between the units. Additionally, the complexity of the manufacturing setup can increase with the integration of multiple units.

[0018] The build platform unit can be positioned on a build platform support, which serves as a stable base for the build platform unit. This build platform support typically remains in the manufacturing fixture, while the build platform unit can be removed along with the assembled component. This separation between the build platform unit and the build platform support allows for easy handling and increases the efficiency of the build process.

[0019] Preferably, the build platform unit is designed for a component with maximum external dimensions of 2 x 2 x 2 meters, particularly preferably for a component with maximum external dimensions of 1.5 x 1.5 x 1.5 meters, and especially preferably for a component with maximum external dimensions of 1111 meters. MEISSNER BOLTE M / AMCM-024-PC 4

[0020] The process chamber encloses the interior of the manufacturing device where the build process takes place. It serves to surround the build platform unit(s) and other components of the manufacturing device under controlled conditions. Typically, the process chamber is operated with a protective gas atmosphere or at a defined temperature to optimize the build process and minimize external influences on the build material and the resulting component.

[0021] The process chamber is preferably designed to be gas-tight, ensuring a stable atmosphere during the manufacturing process. For this purpose, sealing elements can be provided at the inlets and other openings of the process chamber. This sealing is particularly important for maintaining a consistent protective gas atmosphere or specific temperature conditions, as fluctuations could negatively affect the quality of the manufactured component.

[0022] The process chamber is capable of accommodating either a single construction platform unit or multiple construction platform units.

[0023] In an embodiment where the process chamber contains a single build platform unit, the interior can be designed more compactly, which facilitates the control of atmospheric conditions. Access to the build platform unit is typically via a main access point designed to provide good access to both the interior and the build platform unit.

[0024] In an embodiment with multiple build platform units, or a single very large build platform unit, the process chamber is generally dimensioned accordingly larger to provide sufficient space for the component being manufactured. In this case, the at least two access points according to the invention are particularly advantageous, as they facilitate access to the individual build platform units or across the entire surface of a large build platform unit. This enables parallel handling and maintenance of the build platform units, as well as simplified replacement of elements or materials, without having to open the entire interior.

[0025] The arrangement of at least two access points on different sides of the process chamber is particularly advantageous when using multiple MEISSNER BOLTE M / AMCM-024-PC 5 units.

[0026] Construction platform units. It ensures that each unit can be reached independently, thereby minimizing interference between the construction processes of the different units.

[0027] Additionally, the process chamber's access points can be optimized for different functions. For example, one access point can be specifically designed for inserting and removing build platform units and other elements, while another access point is intended for maintenance work on the coating unit or other components, such as protective glass, sensors, etc. This functional separation reduces the time and complexity required to operate the manufacturing equipment.

[0028] The coating unit serves to apply the build material evenly to the build platform unit within the process chamber. It thus forms a central component of the layer-by-layer build process and enables precise material distribution, which is crucial for the quality of the finished component.

[0029] The manufacturing device comprises at least one coating unit arranged within the process chamber. The coating unit is preferably mounted on a guide rail along which it can travel. This allows the coating unit to be moved precisely along a defined axis to apply the build material to the build platform unit in controlled paths. This movement ensures that the material is applied evenly and to the desired layer thickness.

[0030] In a configuration with a single coating unit, material application occurs sequentially for each build platform unit if multiple build platforms are present in the process chamber. This allows for a compact design and reduces control complexity. However, the disadvantage of a single coating unit is that material application must occur sequentially, which can increase process times, especially with large build volumes or multiple build platforms.

[0031] In an embodiment with multiple coating units, different build platform units can be coated in parallel. This significantly increases the productivity of the manufacturing device, as several build processes can run simultaneously. Furthermore, the individual MEISSNER BOLTE M / AMCM-024-PC 6

[0032] Coating units can be specifically adapted to different materials or layer thicknesses. However, the use of multiple coating units requires precise coordination of the control systems to avoid interference and can make the design of the process chamber more complex.

[0033] The coating unit is typically supplied with the build-up material via dosing systems, which are stored in reservoirs outside the process chamber. The dosing systems can dispense the material to the coating unit continuously or at defined intervals, thus ensuring uninterrupted operation.

[0034] In a preferred embodiment, the coating unit is movable and can be moved from a working position, in which the material is applied to the build platform unit, to a service and / or cleaning position. This facilitates access to the coating unit for maintenance work without requiring disassembly within the confined process chamber.

[0035] The ability to operate multiple coating units in parallel or to maintain them independently contributes significantly to the flexibility and efficiency of the manufacturing equipment.

[0036] The irradiation unit serves to selectively solidify the build material on the build platform unit. This is typically achieved through targeted energy application, for example in the form of laser beams, which heat and solidify the material at the desired locations. The irradiation unit is preferably positioned above the build platform unit to ensure precise and uniform solidification of the material.

[0037] The manufacturing device comprises at least one irradiation unit, with additional units being provided depending on the requirements of the construction process or the number of construction platform units.

[0038] The use of a single irradiation unit is particularly sufficient for smaller build volumes or for the layer-by-layer construction of a single component. Irradiation is carried out sequentially for the entire build volume. MEISSNER BOLTE M / AMCM-024-PC 7

[0039] The use of multiple irradiation units enables parallel solidification of the build material, particularly for large build volumes on one large or several smaller build platform units. Each irradiation unit can be specifically targeted to a build platform unit or cover different areas within the build volume. This increases the productivity of the manufacturing equipment and reduces build time. However, multiple irradiation units require precise coordination of the beam paths to avoid overlaps or interference.

[0040] In a preferred embodiment, the irradiation units are arranged outside the process chamber. The laser beam or a comparable beam enters the process chamber through one or more protective glass panels. These protective glass panels fulfill the important function of protecting the irradiation unit from particles, gases, and other influences from the process chamber, while simultaneously allowing the radiation to enter the interior unimpeded.

[0041] Protective lenses are therefore an important component of such an irradiation unit. They are generally designed to ensure high optical quality while also being resistant to the conditions in the process chamber. During operation, these lenses can become contaminated by residues of the build material or other deposits, which can impair the radiation quality and the precision of the build process. To ensure the proper functioning of the irradiation unit, it is necessary to clean the protective lenses regularly or replace them as needed.

[0042] Alternatively, the irradiation unit can be designed so that the protective glasses can be replaced outside the process chamber.

[0043] The use of protective glass increases the lifespan of the irradiation unit and helps to ensure the quality of the construction process in the long term.

[0044] In one embodiment, the at least two access points of the process chamber are arranged on opposite sides of the interior. This arrangement enables particularly simple and efficient handling of the build platform unit as well as other components of the process chamber. The opposing access points facilitate access to elements or materials on both sides of the MEISSNER BOLTE M / AMCM-024-PC 8.

[0045] The sides of the process chamber are facilitated, especially in large-volume construction processes.

[0046] The arrangement of access points on opposite sides also offers advantages for material flow and maintenance. For example, one access point can be used for introducing assembly materials or build platform units, while the opposite access point is intended for their removal or for maintenance work. This allows for a clear separation of processes, reduces potential conflicts, and minimizes downtime of the manufacturing equipment.

[0047] Furthermore, this arrangement simplifies the replacement of protective glass or other components, as both sides of the process chamber are independently accessible. This design is particularly advantageous for manufacturing equipment with multiple build platform units or coating units, since each unit can be accessed efficiently and without affecting the others.

[0048] In another embodiment, the coating unit and / or the irradiation unit are arranged within the process chamber such that access from outside the process chamber is possible through one and / or both access points simultaneously. This arrangement allows for simplified maintenance and cleaning of the coating unit and / or the irradiation unit without having to remove them from the process chamber.

[0049] Access via at least two access points particularly facilitates the replacement of wear parts, such as the protective glass of the irradiation unit. This allows direct access to the protective glass for cleaning or replacement without having to open or disassemble the entire process chamber. This reduces maintenance effort.

[0050] Simultaneous access through both ports is particularly advantageous for large-volume process chambers, as it allows work to be carried out on both sides of the coating or irradiation unit in parallel. This is useful, for example, when different components need to be serviced or replaced independently. MEISSNER BOLTE M / AMCM-024-PC 9

[0051] This arrangement further increases the flexibility and efficiency of the manufacturing device, as it facilitates access to critical components of the process chamber and minimizes downtime.

[0052] The lockable access points to the process chamber can be designed as doors or windows, with these terms describing different functions and properties.

[0053] Doors are lockable elements large enough to allow physical access to the interior of the process chamber. They are used to insert or remove larger components, such as build platform units, protective glass, elements, or coating units. Doors are typically designed to be robust and resistant to the external and internal pressure conditions within the process chamber. They can be equipped with hinges or sliding mechanisms and can be fully opened for direct access.

[0054] Windows are typically small, lockable elements that generally do not allow direct physical access to the interior. Instead, windows serve to provide visual contact with the construction process or to perform minor tasks, such as cleaning protective glass or pouring materials. Windows can be fitted with a transparent component, such as glass or a special plastic, to allow visual monitoring of the construction process without opening the process chamber.

[0055] The use of windows can be particularly advantageous in order to keep the process chamber closed and the atmosphere stable while specific visual checks are carried out.

[0056] Both variants can be equipped with the necessary seals to ensure a gas-tight seal of the process chamber, regardless of whether the access points are open or closed.

[0057] In another embodiment, the process chamber has a substantially rectangular or cylindrical shape, or at least a substantially rectangular or cylindrical shape in sections. This design enables MEISSNER BOLTE M / AMCM-024-PC 10

[0058] an adaptation of the process chamber to different construction requirements and volumes.

[0059] A rectangular process chamber offers the advantage of efficient space utilization and easy integration of linear guide elements, such as rails for coating units. Rectangular shapes are particularly suitable for manufacturing equipment with multiple build platform units or large build volumes, as the interior layout can be more easily segmented and utilized.

[0060] A cylindrical process chamber can be advantageous for specific applications because it promotes a uniform distribution of protective gas or other atmospheres within the interior. This shape is particularly suitable for smaller installation volumes or applications where a high degree of homogeneity of environmental conditions is required.

[0061] In another embodiment, at least one access point is arranged on a longitudinal side of the process chamber. This arrangement allows particularly easy access to the components within the process chamber, especially in rectangular process chambers where the longitudinal sides offer larger surfaces. An access point on the longitudinal side can, for example, be used to insert or remove larger build platform units or other elements.

[0062] In a preferred configuration, rectangular or partially rectangular process chambers can be equipped with at least one access point on their longitudinal side. This configuration combines the advantages of the rectangular shape, such as efficient space utilization and segmentation, with optimal accessibility provided by longitudinal side access points. Similarly, cylindrical or partially cylindrical process chambers can have one or more access points along their longest dimension to facilitate access.

[0063] The shape of the process chamber and the arrangement of the access points can be specifically adapted to the requirements of the construction process. For example, a rectangular process chamber can be equipped with one access point on one long side and another on the opposite side to ensure maximum flexibility during maintenance and operation. MEISSNER BOLTE M / AMCM-024-PC 11

[0064] In another embodiment, the process chamber is provided with access points for carrying out cleaning or maintenance work on elements located within the process chamber. This applies in particular to the coating unit and / or the irradiation unit, which must be regularly cleaned or maintained to ensure proper functioning and high quality of the construction process.

[0065] The accessibility provided by the access points facilitates tasks such as cleaning the protective glass of the irradiation unit or removing material residue from the coating unit. The strategic placement of these access points allows for efficient maintenance without having to open or disassemble the entire process chamber. This reduces downtime for the production equipment and increases its productivity.

[0066] In another embodiment, the process chamber is equipped with a cleaning system accessible via the access points. This cleaning system can include, for example, spray nozzles, brushes, or other devices that enable automated or manual cleaning of the internal surfaces of the process chamber and the elements arranged within it. The cleaning system helps to remove deposits or residues that may accumulate during the manufacturing process from the process chamber and to maintain the operational efficiency of the manufacturing device.

[0067] In a preferred embodiment, the process chamber access points are provided for both cleaning and maintenance, with the cleaning system also being accessible via these access points. This configuration allows for the combined use of the access points for manual maintenance work as well as for operating the cleaning system. For example, the cleaning system can be retrofitted, cleaned, or maintained through the access points without requiring any intervention in the process chamber. Similarly, maintenance work on the coating unit or the irradiation unit can be carried out concurrently with the cleaning of other components.

[0068] The combination of cleaning and maintenance access points with an accessible cleaning system significantly increases the flexibility and efficiency of the manufacturing equipment, especially for large-volume process chambers or complex components. MEISSNER BOLTE M / AMCM-024-PC 12

[0069] In another embodiment, the access points to the process chamber are arranged so that maintenance of elements located within the process chamber, in particular the coating unit and / or the irradiation unit, can be carried out from both sides of the chamber. This design allows access to the critical components of the process chamber from both sides, thereby significantly simplifying maintenance work. This is particularly advantageous for large-volume process chambers, as operators can work on both sides of the chamber simultaneously, thus reducing downtime.

[0070] Accessibility from both sides is particularly advantageous for efficiently cleaning, adjusting, or replacing components such as the coating unit and the irradiation unit. It allows for flexible handling and ensures that even hard-to-reach areas of the process chamber can be easily accessed.

[0071] In another embodiment, the access points are designed so that the elements in the process chamber, in particular the coating unit and / or the irradiation unit, can be replaced without disassembling or otherwise opening the chamber. This design significantly reduces maintenance effort, as the affected elements can be removed or replaced directly through the access points. The process chamber remains essentially closed, thus maintaining the stability of the protective gas atmosphere or other controlled conditions.

[0072] In a preferred configuration, the access points are arranged to allow maintenance from both sides of the chamber and are designed to allow components, particularly the coating unit and / or the irradiation unit, to be replaced without disassembling or otherwise opening the chamber. This combination offers maximum flexibility and efficiency in the maintenance and operation of the manufacturing device.

[0073] For example, the coating unit can be removed through an access point on one side of the process chamber, while the irradiation unit remains accessible through the opposite access point, allowing for parallel maintenance work on different components. Similarly, protective glass for the irradiation unit can be removed and replaced through one access point without having to fully open the process chamber. MEISSNER BOLTE M / AMCM-024-PC 13

[0074] The accessibility from both sides and the ability to easily replace the elements help to minimize downtime of the manufacturing equipment and maximize its productivity.

[0075] In another embodiment, the access points to the process chamber are equipped with a quick-release mechanism to allow rapid access to the interior of the process chamber. This quick-release mechanism allows the doors or windows of the access points to be opened or closed efficiently and without the use of tools. This significantly facilitates access to the elements located in the process chamber, such as the coating unit and / or the irradiation unit.

[0076] The quick-release mechanism can be designed as a lever, clamp, or snap mechanism, ensuring a reliable and gas-tight seal of the process chamber. These mechanisms are preferably designed to maintain a long service life and tightness even with frequent use.

[0077] The use of a quick-release mechanism significantly reduces the time required for maintenance or component replacement. This design offers considerable advantages, particularly in situations requiring rapid intervention, such as cleaning the protective glass of the irradiation unit or removing material residue from the coating unit.

[0078] Additionally, the quick-release mechanism can be equipped with a safety device that prevents the access points from being opened unintentionally during the build process. This safety precaution ensures that the protective gas atmosphere or other controlled conditions inside the process chamber are not compromised.

[0079] The use of a quick-release mechanism improves the operability of the manufacturing device, while still meeting the requirements for operational safety and sealing of the process chamber.

[0080] In another embodiment, the process chamber is equipped with guide rails on its inner walls to control the positioning and movement of the MEISSNER BOLTE M / AMCM-024-PC 14

[0081] These guide rails facilitate the movement of elements within the process chamber, particularly the coating unit. They enable precise and controlled movement of the elements along defined paths within the process chamber.

[0082] The guide rails are preferably designed to ensure low-friction and stable guidance of the components. This can be achieved through the use of rollers, plain bearings, or similar mechanisms that facilitate movement along the rails while simultaneously ensuring precise positioning. Particularly in large-volume process chambers and with heavy components, such as the coating unit, the guide rails contribute to more efficient handling and movement.

[0083] The guide rails can be designed for various directions of movement, such as along the X or Y axis, thus enabling flexible adaptation to the specific requirements of the build process. For the coating unit, this can mean, for example, that it can be moved precisely across the entire surface of the build platform unit to apply the build material evenly. The guide rails can also be used to position other elements optimally.

[0084] Additionally, the guide rails can be equipped with holding devices or stops to keep the elements in a fixed position during downtime or maintenance. This particularly facilitates maintenance work and the replacement of components, as the elements remain secure and stable within the process chamber.

[0085] By integrating guide rails on the inner walls of the process chamber, the functionality of the manufacturing device is expanded, the movement accuracy of the elements is improved, and the efficiency of the construction process is increased.

[0086] In another embodiment, the access points of the process chamber are equipped with transparent covers to allow observation of the interior of the process chamber without having to open it. These covers are preferably made of materials such as glass or heat-resistant plastics, which ensure high optical clarity and resistance to the conditions in the process chamber. MEISSNER BOLTE M / AMCM-024-PC 15

[0087] The transparent covers allow for real-time monitoring of the construction process and the condition of the elements within the process chamber, such as the coating unit and / or the irradiation unit. This enables the early detection of potential malfunctions or deviations in the manufacturing process and allows for appropriate measures to be taken without opening the process chamber and disrupting the controlled atmosphere.

[0088] Additionally, the transparent covers can be coated to prevent particles from adhering or condensation from forming, ensuring visibility throughout the entire construction process. Alternatively, they can be heated to guarantee clear visibility in low temperatures or high humidity.

[0089] The integration of transparent covers not only offers advantages for monitoring the construction process, but also facilitates visual inspection of the process chamber during maintenance work or after completion of a construction process. This contributes to further increasing the efficiency and reliability of the manufacturing equipment.

[0090] In another embodiment, the elements in the process chamber, in particular the coating unit and / or the irradiation unit, are modular in design and designed for easy assembly and disassembly. This modular design makes it possible to quickly and efficiently replace individual components or assemblies of the elements without having to remove the entire unit or carry out extensive disassembly work.

[0091] The modularity of the components offers numerous advantages, particularly during maintenance or when replacing wear parts. For example, the coating unit can be designed so that specific components such as conveyor elements, application mechanisms, or seals can be removed and replaced separately. Similarly, the irradiation unit can be divided into sub-units, such as the laser source, the protective glass, or the beam guidance mechanism, which can be replaced or serviced independently.

[0092] The modular components are preferably equipped with standardized interfaces that enable a fast and error-free connection. This is the MEISSNER BOLTE M / AMCM-024-PC 16.

[0093] It reduces the time required for replacing components and minimizes the risk of assembly errors. Furthermore, the modular elements can be designed for tool-free or minimal tool use for assembly and disassembly.

[0094] The modular design of the elements within the process chamber not only contributes to the flexibility and ease of maintenance of the manufacturing device, but also allows for easy adaptation to different requirements. For example, coating units or irradiation units with specific properties or functions can be quickly exchanged to optimize the manufacturing device for different materials or element geometries.

[0095] In another embodiment, the access points to the process chamber are equipped with a safety interlock that can only be opened when released by a control device. This safety interlock ensures that the access points are not opened unintentionally or during the build process, thereby reliably maintaining the controlled conditions in the process chamber, such as the protective gas atmosphere or the temperature.

[0096] The control device can be equipped with various security mechanisms, such as an access code, user authorization, or sensor verification of the process status. These mechanisms ensure that access is only granted when the construction process is stopped or certain safety-related conditions are met.

[0097] The safety interlock is particularly important for preventing hazards to operating personnel, as it prevents access points from being opened while potentially hazardous processes, such as the operation of the irradiation unit, are running. At the same time, it safeguards the integrity of the construction process by preventing the unintentional ingress of air or particles into the process chamber.

[0098] Additionally, the safety interlock can be networked with the control system of the manufacturing device, allowing the access status to be monitored and documented in real time. This not only increases operational safety, but also... MEISSNER BOLTE M / AMCM-024-PC 17

[0099] It also enables precise control and logging of access times and conditions.

[0100] The integration of a safety interlock makes the manufacturing device more reliable and safer in operation, especially in complex construction processes or with sensitive components.

[0101] In another embodiment, the access points of the process chamber are equipped with devices for the automatic removal and insertion of the elements in the process chamber, in particular the coating unit. These devices enable an efficient and precise exchange of the elements without requiring manual effort or the complete opening of the process chamber.

[0102] The devices can consist, for example, of lifting, gripping, or conveying elements specifically tailored to the geometry and weight of the components. They are preferably designed to securely grip, lift, and remove the components from or replace them in the process chamber. This not only reduces the physical strain on the operating personnel but also minimizes the risk of damage to the components or the process chamber.

[0103] The automation of the removal and insertion process can be coordinated by a control unit that monitors and controls the movement of the fixtures. This unit can be equipped with sensors that detect the precise position of the components within the process chamber and align the fixtures accordingly.

[0104] A particular advantage of this design is that components such as the coating unit can be replaced quickly and efficiently, even if the components are large or heavy. This is especially beneficial during regular maintenance, cleaning, or the replacement of wear parts.

[0105] Additionally, the automatic removal and insertion device can be integrated with other systems of the manufacturing device, such as a MEISSNER BOLTE M / AMCM-024-PC 18

[0106] Storage or transport system that transfers the removed elements directly to a maintenance area or brings new elements into the process chamber.

[0107] By automating the removal and insertion process, the efficiency and safety of the manufacturing device are significantly increased, while downtime is reduced to a minimum.

[0108] In a second aspect, the invention relates to a manufacturing process for the additive manufacturing of a three-dimensional component from a build-up material. This process is carried out in a manufacturing device that includes a process chamber in which the build process takes place under controlled conditions. The process chamber is designed to ensure and maintain the necessary environmental conditions, such as a protective gas atmosphere or defined temperature conditions.

[0109] The process includes the following steps:

[0110] 1. Provision of the manufacturing equipment:

[0111] A manufacturing device is provided, comprising a process chamber with at least two access points. These access points are equipped with seals that ensure a contamination-free environment within the process chamber. Additionally, the access points are arranged to facilitate maintenance or cleaning of the components located in the process chamber, in particular the coating unit and / or the irradiation unit.

[0112] 2. Carrying out the construction process:

[0113] A build platform unit is provided in the process chamber, on which the component is built up layer by layer.

[0114] A coating unit applies the build material to the build platform unit.

[0115] An irradiation unit selectively hardens the applied build-up material at the desired locations. MEISSNER BOLTE M / AMCM-024-PC 19

[0116] During the construction process, it is ensured that the access points are closed and sealed gas-tight to maintain the controlled atmosphere.

[0117] 3. Inspection and maintenance:

[0118] Maintenance or cleaning of the manufacturing equipment is carried out as needed, including:

[0119] The access points can be opened with a quick-release mechanism to allow quick access to the process chamber.

[0120] Devices are used that enable the automatic removal and insertion of the coating unit and / or the irradiation unit. These devices ensure efficient and safe handling, even with large or heavy components.

[0121] The modular elements of the coating unit and / or the irradiation unit can be removed from the process chamber as needed and serviced or cleaned separately without requiring complete disassembly of the process chamber.

[0122] 4. Automated cleaning:

[0123] In a preferred embodiment, a cleaning system integrated into the process chamber is used, accessible via the access points. This system enables automatic cleaning of the process chamber and its components, thereby further increasing the efficiency and quality of the construction process.

[0124] This process combines additive manufacturing with innovative concepts for the control, maintenance, and cleaning of the manufacturing fixture. This increases the fixture's productivity while minimizing downtime. The modular design of the components and the use of automated removal and cleaning systems further contribute to greater flexibility and operational efficiency. MEISSNER BOLTE M / AMCM-024-PC 20

[0125] Further advantages and aspects of the invention will become apparent from the claims and from the following description of a preferred embodiment of the invention, which is explained below with reference to Figures 1 and 2.

[0126] Fig. 1 shows a manufacturing device 100 for additive manufacturing in a sectional view from one side.

[0127] Figure 2 shows the manufacturing device 100 according to Figure 1 in a representation with the doors of the two access points 12 open.

[0128] Figure 1 shows a schematic sectional view of a manufacturing device 100 for the additive manufacturing of a three-dimensional component. The manufacturing device 100 comprises a process chamber 10, which encloses an interior space 40. The process chamber 10 is equipped with two access points 12 located on opposite sides of the process chamber 10. This arrangement allows access and operation from multiple sides, making all areas within the process chamber 10 accessible to the operator.

[0129] The two access points 12 are closed with doors that can be completely removed. This allows for particularly flexible handling, as the doors can be completely removed if necessary to facilitate access to the process chamber 10. Alternatively, the doors can also be equipped with hinges, shock absorbers, or rails so that they can be opened and held securely in an open position during access by the operator.

[0130] The two access points 12 allow direct access to each of the irradiation units 60, which are arranged above the coating level 62. This makes it possible, for example, to carry out maintenance or cleaning work on the irradiation units 60 without having to completely open or disassemble the process chamber 10.

[0131] Within the interior space 40 is a build platform unit 34, which is arranged in a build shaft 30. The build platform unit 34 is positioned on a build platform support 35, which is guided in a swap frame 32. Above the build platform unit 34 is a coating unit 50, which is movable along a guide rail 14. This guide rail 14 allows the MEISSNER BOLTE M / AMCM-024-PC 21

[0132] Coating unit 50, to apply the build material 58 precisely and evenly to the build platform unit 34.

[0133] This embodiment comprises a manufacturing device 100 with two irradiation units 60, each generating an irradiation area 64. These irradiation areas 64 enable the selective solidification of the build material 58 on the build platform unit 34. The coating unit 50 and the irradiation units 60 are located above the coating level 62, which defines the area in which the build material 58 is applied and solidified.

[0134] The process chamber 10 rests on a stable base 20, which supports the entire structure and ensures precise alignment of the components.

[0135] It should be noted that this view does not show any form of material supply, such as dosing devices or supplies, in order to focus on the described components of the manufacturing device 100.

[0136] Figure 2 shows all components described in Figure 1, in particular the process chamber 10 with the interior 40, the build platform unit 34 in the build shaft 30, the build platform support 35 in the exchange frame 32, the coating unit 50 movable along the guide rail 14, and the irradiation units 60 arranged above the coating level 62, which are present in the same manner. The reference numerals used in Figure 1 are used again in Figure 2.

[0137] With the doors in the open position, the access points 12 are fully exposed, so that the interior 40 and the components arranged in it are directly accessible to an operator, for example to carry out maintenance or cleaning work.

[0138] This illustration also shows that the doors can be moved out of the opening area of ​​the access points 12, so that the working and movement area of ​​the coating unit 50 and the irradiation units 60 is not affected. MEISSNER BOLTE M / AMCM-024-PC

[0139] 22 Reference numerals list 100 - Manufacturing device

[0140] 10 - Trial Chamber

[0141] 12 - Access (with doors)

[0142] 14 - Driving rail

[0143] 20 - Base

[0144] 30 - Construction shaft

[0145] 32 - Interchangeable frames

[0146] 34 - Construction platform unit

[0147] 35 - Construction platform support

[0148] 40 - Interior

[0149] 50 - Coating unit

[0150] 58 - Assembly material

[0151] 60 - Irradiation unit

[0152] 62 - Coating level

[0153] 64 - Irradiation area

[0154] 68 - Protective glass

Claims

AMCM GmbH November 14, 2025 M / AMCM-024-PC PF / cg Manufacturing device for the additive manufacturing of a three-dimensional component from a build-up material and method for manufacturing such a component Claims 1. Manufacturing device for the additive manufacturing of a three-dimensional component from a build-up material, wherein the manufacturing device comprises at least one build platform unit on which the component can be built, and wherein the build platform unit is arranged inside a process chamber, and wherein the manufacturing device comprises at least one coating unit by means of which the build material can be applied to the build platform unit in the process chamber, and wherein at least one coating unit is arranged in the process chamber, and wherein the manufacturing device comprises at least one irradiation unit with which the build material can be solidified on the build platform unit, and wherein the irradiation unit is arranged above the construction platform unit, and characterized by the fact that The process chamber has at least two access points to the interior, with the access points being located on different sides of the process chamber.

2. Manufacturing device according to claim 1, characterized in that The entrances are located on opposite sides of the trial chamber. Meissner Bolte M / AMCM-024-PC 2 3. Manufacturing device according to one of claims 1 or 2, characterized in that The coating unit and / or the irradiation unit are arranged in the process chamber in such a way that access from outside the process chamber is possible through one and / or both access points simultaneously.

4. Manufacturing device according to one of the preceding claims, characterized in that The access points are closed by lockable doors or windows, which ensure a gas-tight seal of the process chamber.

5. Manufacturing device according to one of the preceding claims, characterized in that the process chamber has a substantially rectangular or cylindrical shape, or at least a substantially rectangular or cylindrical shape in sections. and / or that at least one access point is located on one long side of the process chamber.

6. Manufacturing device according to one of the preceding claims, characterized in that The access points for carrying out cleaning or maintenance measures of elements arranged in the process chamber, in particular the coating unit and / or the irradiation unit, are provided. and / or that the process chamber is equipped with a cleaning system which is accessible via the access points.

7. Manufacturing device according to one of the preceding claims, characterized in that The access points are arranged in such a way that maintenance of elements located in the process chamber, in particular the Meissner Bolte M / AMCM-024-PC 3 Coating unit and / or irradiation unit, can be applied from both sides of the chamber. and / or that the access points are designed in such a way that the elements in the process chamber, in particular the coating unit and / or the irradiation unit, can be replaced without disassembling or otherwise opening the chamber.

8. Manufacturing device according to one of the preceding claims, characterized in that The access points are equipped with a quick-release mechanism to allow quick access to the interior of the process chamber.

9. Manufacturing device according to one of the preceding claims, characterized in that The process chamber is equipped with guide rails on its inner walls to facilitate the positioning and movement of the elements in the process chamber, in particular the coating unit and / or the irradiation unit.

10. Manufacturing device according to one of the preceding claims, characterized in that The access points are equipped with transparent covers to allow observation of the interior of the process chamber without having to open it.

11. Manufacturing device according to one of the preceding claims, characterized in that The elements in the process chamber, in particular the coating unit and / or the irradiation unit, are modularly constructed in the process chamber and are designed for easy assembly and disassembly.

12. Manufacturing device according to one of the preceding claims, characterized in that Meissner Bolte M / AMCM-024-PC 4 The access points are equipped with a safety lock that can only be opened when released by a control device.

13. Manufacturing device according to one of the preceding claims, characterized in that The access points are equipped with devices for the automatic removal and insertion of the elements in the process chamber, in particular the coating unit and / or the irradiation unit.

14. Manufacturing device according to one of the preceding claims, characterized in that The access points are equipped with seals that ensure a contamination-free environment within the process chamber.

15. Manufacturing process for the additive manufacturing of a three-dimensional component from a build-up material in a manufacturing device, comprising: - Providing a manufacturing apparatus comprising a process chamber with at least two access points, wherein the process chamber provides a controlled environment, - Conducting a construction process in the process chamber, in which: - a build platform unit is provided in the process chamber on which the component is built, - at least one coating unit applies the build material to the build platform unit, - at least one irradiation unit selectively solidifies the build material on the build platform unit, - Checking and maintaining the manufacturing equipment, wherein: - the access points are used to perform maintenance or cleaning of the coating unit and / or the irradiation unit, - the access points are opened with a quick-release mechanism to allow quick access, - the access points are equipped with seals to ensure a contamination-free environment in the process chamber, - the elements in the process chamber are modular in design, allowing for easy assembly and disassembly, and Meissner Bolte M / AMCM-024-PC 5 - Devices for the automatic removal and insertion of the coating unit and / or the irradiation unit via the access points are used.

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