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Processing machine (1) for producing three-dimensional components (2) layer by layer

A technology of three-dimensional components and processing machines, which is applied in the direction of manufacturing tools, additive manufacturing, processing and manufacturing, etc., and can solve the problems of calibration and trouble.

Active Publication Date: 2019-11-05
TRUMPF LASERSYST FOR SEMICON MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Calibration of such devices is complex due to the oblique arrangement of the focal plane

Method used

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  • Processing machine (1) for producing three-dimensional components (2) layer by layer
  • Processing machine (1) for producing three-dimensional components (2) layer by layer
  • Processing machine (1) for producing three-dimensional components (2) layer by layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] figure 1 An exemplary structure of a processing machine 1 for layer-by-layer additive production of a three-dimensional component 2 with the aid of three laser beams 3 a - c is shown. The processing machine 1 comprises a process chamber 4 in which a powder bed 5 (metal, ceramic, thermoplastic) is applied to a carrier plate 6 . The powder bed 5 , or a corresponding powder layer of the powder bed 5 , is selectively melted and subsequently solidified by the three laser beams 3 a - c in order to produce a layer of the three-dimensional component 2 . Subsequently, the carrier plate 6 is lowered and a new layer of powder is applied and solidified again until the three-dimensional component 2 is completely produced.

[0038] Above the powder bed 5 is mounted an irradiation device 7 with three scanner devices 8a-c for two-dimensionally deflecting each of the three laser beams 3a-c onto the respective powder bed regions 9a-c, wherein the three powder bed regions 9a-c overlap a...

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PUM

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Abstract

The invention relates to a processing machine (1) for producing three-dimensional components (2) layer by layer by irradiating a powder bed (5), the processing machine includes: a machine body; a process chamber (4) having a carrier plate (6) for applying the powder bed (5), and an illumination device (7) having at least three scanner devices (8a-c), each of which is designed to deflect a laser beam (3a-c) two-dimensionally onto one of the three mutually overlapping powder bed regions (9a-c) of the powder bed (5). The first scanner device and preferably the second scanner device (8a, 8b) are arranged at a first distance (A1) to a machining plane (BE) of the machining machine (1), and the third scanner device (8c) is arranged at a second distance (A2) to the machining plane (BE) different from the first distance.

Description

technical field [0001] The invention relates to a processing machine for layer-by-layer production of three-dimensional components by irradiating a powder bed, the processing machine comprising: a process chamber with a carrier plate for applying the powder bed; and having at least three scanner arrangements The scanner devices are each configured to deflect a laser beam two-dimensionally onto one of three mutually overlapping powder bed regions of the powder bed. Background technique [0002] In processing machines for the layer-by-layer additive manufacturing of three-dimensional components, materials are processed by applying powder layers (metals, ceramics, thermoplastics) from a powder bed to a carrier plate (also called substrate) in a process chamber and is irradiated with at least one (focused) laser beam and selectively cured there. If the corresponding powder layers are melted by a laser beam, this is called laser metal fusion (LMF) or selective laser melting (SLM...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/277B29C64/268B29C64/153B22F3/105B33Y30/00
CPCB29C64/277B29C64/268B29C64/153B33Y30/00B22F10/00B22F12/44B22F12/49B22F12/45B22F12/226B22F10/28B33Y10/00B29C64/282Y02P10/25
Inventor M·阿伦贝里-拉贝
Owner TRUMPF LASERSYST FOR SEMICON MFG