Abstract: The invention relates to a push rod lock for a switch cabinet housing, having a linearly adjustable push rod which is arranged on an inner side of a switch cabinet door and projects with a coupling piece from the inner side through the switch cabinet door, wherein a door lock plate which is mounted via an outer side of the switch cabinet door opposite the inner side is fixed to an actuating element which is coupled to the coupling piece via a mushroom pin connection on the switch cabinet door, wherein the push rod is adjustable between a second open position and a second closed position via the actuating element which is adjustable between a first open position and a first closed position, wherein the mushroom pin connection is arranged at least in a release position in which the door lock plate is removable from the switch cabinet door at least when the push rod is arranged in the second closed position and the actuating element is arranged in an intermediate position between the first open position and the

Abstract: An apparatus (10) for producing a three-dimensional work piece (46) by irradiating layers of a raw material powder with electromagnetic or particle radiation comprises a process chamber (16) accommodating a carrier (12) and a powder application device (14) for applying a layer of raw material powder onto the carrier (12). The apparatus (10) further comprises an irradiation unit (26) for selectively irradiating the layer of raw material powder with electromagnetic or particle radiation in accordance with a geometry of a corresponding layer of the work piece (18) to be produced. An absorption device (50) which is adapted to absorb heat radiation emitted upon selectively irradiating the layer of raw material powder with electromagnetic or particle radiation is provided in the process chamber (16) and/or in the irradiation unit (26) at such a position that it is capable of absorbing radiation occurring in an interior of the process chamber (16) and/or in an interior of the irraditation unit (26).

Abstract: A process chamber housing for an additive manufacturing apparatus comprising a process chamber with a bottom, a ceiling, and sidewalls jointly enclosing a volume of the process chamber, with a gas inlet in a front wall and a gas outlet in a rear wall of the sidewalls. The gas inlet and outlet are positioned at opposite sides of an opening in the bottom and face each other, which allows for an improved removal of smoke out of the process chamber if the gas inlet has a width wi, the opening has a width ws, and the gas outlet has a width w0, such that at least one of the relations (i) wi?ws±4 cm and wo?ws±4 cm; (ii) wi?ws and/or wo?ws; and (iii) wi?ws+1 cm and/or wo?ws+1 cm is satisfied.

Abstract: A locking device for a switch cabinet, with a lock door and a secondary door, wherein the secondary door, on a vertical outer edge opposite its hinge side, has a U-profile formed on a door leaf of the secondary door with a receptacle for a lock mechanism of the lock door, which receptacle is offset back relative to the door leaf and which is open towards the door leaf, wherein on an outer free profile side of the U-profile, a swivelling lever of a lock of the secondary door is pivotably mounted about an axis of rotation between an open position and a locking position. Furthermore, a corresponding switch cabinet is described.

Abstract: The invention relates to a fastening arrangement including a profiled strut and a plug-in nut mounted in an aperture of the profile strut, wherein the plug-in nut has a threaded nut held on a clasp, wherein the clasp has a first and a second actuating end, via which the plug-in nut projects out of the aperture, wherein in a locking position of the actuating ends relative to each other an edge of the aperture is received in a receptacle of the clasp. Additionally, a corresponding switch cabinet housing is disclosed.

Abstract: The invention relates to a mounting plate arrangement with a switch cabinet frame and a mounting plate fastened thereto via at least one mounting plate holder, wherein the switch cabinet frame has a rectangular floor frame with four profile struts, which has on its outer side a fastening section offset relative to an outer sealing plane of the switch cabinet frame relative to the interior of the switch cabinet frame, wherein the mounting plate holder is formed in multiple parts, with a support bracket and with a base connected to the support bracket, wherein the support bracket is connected to the fastening section and to the mounting plate and the mounting plate stands on the base, and wherein the mounting plate holder with the base is placed on a profile side of one of the four profile struts extending between the sealing plane and the fastening section.

Abstract: A process chamber housing for an additive manufacturing apparatus comprising a process chamber with a bottom, a ceiling, and sidewalls jointly enclosing a volume of the process chamber, with a gas inlet in a front wall and a gas outlet in a rear wall of the sidewalls. The gas inlet and outlet are positioned at opposite sides of an opening in the bottom and face each other, which allows for an improved removal of smoke out of the process chamber if the gas inlet has a width wi, the opening has a width ws, and the gas outlet has a width w0, such that at least one of the relations (i) wi?ws±4 cm and w0?ws±4 cm; (ii) wi?ws and/or w0?ws; and (iii) wi?ws+1 cm and/or w0?ws+1 cm is satisfied.

Abstract: The invention relates to a mounting plate arrangement with a switch cabinet frame and a mounting plate fastened thereto via at least one mounting plate holder, wherein the switch cabinet frame has a rectangular floor frame with four profile struts, which has on its outer side a fastening section offset relative to an outer sealing plane of the switch cabinet frame relative to the interior of the switch cabinet frame, wherein the mounting plate holder is formed in multiple parts, with a support bracket and with a base connected to the support bracket, wherein the support bracket is connected to the fastening section and to the mounting plate and the mounting plate stands on the base, and wherein the mounting plate holder with the base is placed on a profile side of one of the four profile struts extending between the sealing plane and the fastening section.

Abstract: A switch cabinet (1) comprising a square rack (2) consisting of four vertical profiles (3) and eight horizontal profiles (4), wherein four of the profiles (3, 4) form the rectangular profile frame and two of the four profiles (3, 4) forming the profile frame and extending in parallel to one another each include a first fastening profile side (5) having a first row of fastening mounts (6) spaced apart from one another while maintaining a constant grid dimension (M), wherein the first fastening profile sides (5) are situated in a common plane (E) and mounted on these two first fastening profile sides (5) is a first interior structural component (7) extending between the parallel profiles, which includes a mounting side (8) having a second row of fastening mounts (9), which extend perpendicularly to the first row (6), characterized in that the second row of fastening mounts (9) is arranged in the direction of extension (y) of the first row of fastening mounts (6) while maintaining the grid dimension (M) of the f

Abstract: The invention relates to a locking device for a switch cabinet, with a lock door and a secondary door, wherein the secondary door, on a vertical outer edge opposite its hinge side, has a U-profile formed on a door leaf of the secondary door with a receptacle for a lock mechanism of the lock door, which receptacle is offset back relative to the door leaf and which is open towards the door leaf, wherein on an outer free profile side of the U-profile, a swivelling lever of a lock of the secondary door is pivotably mounted about an axis of rotation between an open position and a locking position. Furthermore, a corresponding switch cabinet is described.

Abstract: The invention relates to a fastening arrangement including a profiled strut and a plug-in nut mounted in an aperture of the profile strut, wherein the plug-in nut has a threaded nut held on a clasp, wherein the clasp has a first and a second actuating end, via which the plug-in nut projects out of the aperture, wherein in a locking position of the actuating ends relative to each other an edge of the aperture is received in a receptacle of the clasp. Additionally, a corresponding switch cabinet housing is disclosed.

Abstract: A connection arrangement having a first and a second switchgear cabinet framework which each have a rectangular, lateral profile frame composed of two vertical struts and two horizontal struts, wherein the profile frames are connected to one another via an aligning connector, wherein the switchgear cabinet frameworks adjoin one another via outer sealing edges of the profile frames, wherein the outer sealing edges are arranged on the respective free end of a sealing web of the profile frame, wherein a fastening flange is bent off from each of the sealing webs so as to be set back from the outer sealing edge, with the result that the opposite fastening flanges delimit between them a receptacle for an aligning connector for the profile frames, which receptacle is further delimited by the adjoining sealing webs and, where appropriate, a sealing element arranged between the sealing webs, and wherein an aligning connector is arranged in the receptacle and is secured to the opposite fastening flanges.

Abstract: The invention relates to a push rod lock for a switch cabinet housing, having a linearly adjustable push rod which is arranged on an inner side of a switch cabinet door and projects with a coupling piece from the inner side through the switch cabinet door, wherein a door lock plate which is mounted via an outer side of the switch cabinet door opposite the inner side is fixed to an actuating element which is coupled to the coupling piece via a mushroom pin connection on the switch cabinet door, wherein the push rod is adjustable between a second open position and a second closed position via the actuating element which is adjustable between a first open position and a first closed position, wherein the mushroom pin connection is arranged at least in a release position in which the door lock plate is removable from the switch cabinet door at least when the push rod is arranged in the second closed position and the actuating element is arranged in an intermediate position between the first open position and the

Abstract: The invention relates to a frame profile for a frame rack of a switch cabinet, wherein the frame profile has: a first and a second profile web, wherein a free end of the first profile web has a first sealing edge, and a free end of the second profile web has a second sealing edge, a first mounting side with fixing receptacles, which first mounting side is spaced apart from the first sealing edge by a first dimension of a first connecting side of the first profile web, which connects the first mounting side to the first sealing edge, a second mounting side with fixing receptacles, which second mounting side is spaced apart from the second sealing edge by a second dimension of a second connecting side of the second profile web, which connects the second mounting side to the second sealing edge, characterized in that at least one of the profile webs has an undercut.

Abstract: The invention relates to a connection arrangement which comprises a first and a second switchgear cabinet framework which each have a rectangular, lateral profile frame composed of two vertical struts and two horizontal struts, wherein the profile frames are connected to one another via an aligning connector, wherein the switchgear cabinet frameworks adjoin one another via outer sealing edges of the profile frames, wherein the outer sealing edges are arranged on the respective free end of a sealing web of the profile frame, wherein a fastening flange is bent off from each of the sealing webs so as to be set back from the outer sealing edge, with the result that the opposite fastening flanges delimit between them a receptacle for an aligning connector for the profile frames, which receptacle is further delimited by the adjoining sealing webs and, where appropriate, a sealing element arranged between the sealing webs, and wherein an aligning connector is arranged in the receptacle and is secured to the opposite

Abstract: The invention relates to a switch cabinet comprising a square rack consisting of four vertical profiles and eight horizontal profiles, wherein four of the profiles form the rectangular profile frame and two of the four profiles forming the profile frame and extending in parallel to one another each include a first fastening profile side having a first row of fastening mounts spaced apart from one another while maintaining a constant grid dimension, wherein the first fastening profile sides are situated in a common plane and mounted on these two first fastening profile sides is a first interior structural component extending between the parallel profiles, which includes a mounting side having a second row of fastening mounts, which extend perpendicularly to the first row, wherein the second row of fastening mounts is arranged in the direction of extension of the first row of fastening mounts while maintaining the grid dimension of the first row of fastening mounts.

Abstract: The invention relates to a frame profile for a frame rack of a switch cabinet, wherein the frame profile has: a first and a second profile web, wherein a free end of the first profile web has a first sealing edge, and a free end of the second profile web has a second sealing edge, a first mounting side with fixing receptacles, which first mounting side is spaced apart from the first sealing edge by a first dimension of a first connecting side of the first profile web, which connects the first mounting side to the first sealing edge, a second mounting side with fixing receptacles, which second mounting side is spaced apart from the second sealing edge by a second dimension of a second connecting side of the second profile web, which connects the second mounting side to the second sealing edge, characterized in that at least one of the profile webs has an undercut.

Abstract: A base assembly for the rack of a switchgear cabinet, comprising horizontal frame profiles which have the height h and which surround a base section of the rack, wherein at the height h, the frame profiles have a first horizontal mounting plane, is characterized in that, spaced from the first horizontal mounting plane, at least one additional mounting plane is provided, on or adjoining a fixed support which is formed at least sectionally on one or more of the frame profiles and projects into the base section.