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Device for generatively producing three-dimensional objects with the aid of an insulated construction zone

A technology for three-dimensional objects and equipment, applied in the fields of processing and manufacturing, manufacturing tools, additive manufacturing, etc., can solve the problems of uneven mechanical properties of objects, uneven temperature, etc., and achieve the effect of improving the effective use area and reducing the temperature gradient

Active Publication Date: 2016-04-06
EOS ELECTRO OPTICAL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite the use of heating devices, the temperature in the build area can still be uneven, which can lead to uneven mechanical properties of the object

Method used

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  • Device for generatively producing three-dimensional objects with the aid of an insulated construction zone
  • Device for generatively producing three-dimensional objects with the aid of an insulated construction zone
  • Device for generatively producing three-dimensional objects with the aid of an insulated construction zone

Examples

Experimental program
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Effect test

Embodiment Construction

[0011] figure 1 A schematic diagram of a device for producing a three-dimensional object 3 according to a first exemplary embodiment of the invention is shown, which is designed as a laser sintering device by way of example.

[0012] The laser sintering device has a frame 1 with an upward opening, and the frame has a vertically movable support 5 located in the frame, and the support carries a three-dimensional object 3 to be manufactured. The frame 1 surrounds a construction area 6 with its upper section 2 . Preferably frame 1 and support 5 form an exchangeable frame which can be removed from the laser sintering device. The support 5 is connected to a lifting mechanism 4 which moves the support vertically at least below the plane of the building area 6 so that the upper side of each powder layer to be solidified lies in the plane of the building area 6 . The plane of the construction area here means the plane in which the upper edge of the upper section 2 lies.

[0013] Fur...

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Abstract

The invention relates to a device for the generative manufacture of three-dimensional objects (3), comprising: a frame (1) defining a build zone (6) on its upper section (2); a plate (12), The plate connects the frame (1) and the housing (100) of the device; a bracket (5), which is arranged in the frame (1) and is movable vertically at least below the construction area (6) by means of a lifting mechanism (4); Radiation means (7) which generate energy beams (8, 8') which are focused by deflection means (9) onto arbitrary points in the build area (6) for selective sintering or melting powder material (11) located in the building area (6); coater (10), which is used to add a layer of powder material (11) to the support (5) or powder material (11 ) on a layer previously added. A thermal insulation mechanism (13) is provided between the frame (1) and the plate (12).

Description

technical field [0001] The invention relates to a device for generatively producing three-dimensional objects. Background technique [0002] EP0746079B1 discloses a known laser sintering device, which comprises: a frame, which encloses a building area with its upper section; a bracket, which is arranged in the frame and is vertically movable at least below the building area by a lifting mechanism; a radiation device that produces an energy beam that is focused by a steering device onto an arbitrary point in the build area for selectively sintering or melting the powder material located in the build area; and a coater that The layerer is used to apply a layer of powder material to the support or to a previously applied layer of powder material. The laser sintering device has a heating device for heating the powder layer applied by the coater to the pre-temperature required for sintering by means of the laser beam. Despite the use of heating means, the temperature in the bui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C67/00
CPCB29C64/255B33Y30/00B29C64/153B29C64/25B29C64/295B29C64/371B29C64/245Y02P10/25B22F10/28B22F12/38B22F12/13
Inventor A·鲍曼J·菲利皮T·马特斯
Owner EOS ELECTRO OPTICAL SYST
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