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BS EN ISO/ASTM 52941:2020

BS EN ISO/ASTM 52941:2020

$102.76

Additive manufacturing. System performance and reliability. Acceptance tests for laser metal powder-bed fusion machines for metallic materials for aerospace application

Published By Publication Date Number of Pages
BSI 2020 20
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This document specifies requirements and test methods for the qualification and re-qualification of laser beam machines for metal powder bed fusion additive manufacturing for aerospace applications.

It can also be used to verify machine features during periodic inspections or following maintenance and repair activities.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Equipment
5 Environmental and operational conditions
6 Qualification testing
6.1 General
6.2 Laser beam tests
6.2.1 Testing the laser power for continuous wave lasers
9 6.2.2 Testing the laser power stability for continuous wave lasers
6.2.3 Testing of pulsed wave lasers
6.2.4 Evaluation of the laser beam characteristics
6.2.5 Evaluation of the minimum laser beam waist position in different working plane locations
6.2.6 Evaluation of the thermal stability of the minimum beam waist position
10 6.2.7 Testing the laser beam position
6.2.8 Trajectory accuracy
6.2.9 Scanning speed
6.2.10 Requirements for equipment with multiple laser beam sources
11 6.3 Mechanical function test
6.3.1 General
6.3.2 Build platform positioning
6.3.3 Feeding platform positioning
6.3.4 Other powder feed processing mechanics
6.3.5 Movement of the powder spreading device
6.4 Heating system
6.5 Atmosphere inside the working space
12 6.6 Data recording
6.7 Safety systems
6.8 Optional tests
6.8.1 Demonstrators and test artifacts
6.8.2 Build area assessment
13 6.8.3 Gas flow test by hot wire anemometer
14 6.9 Requalification
7 Test report
16 Annex A (informative) Example of a test report
17 Annex B (informative) Geometric pattern for the trajectory accuracy test
18 Bibliography

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BS EN ISO/ASTM 52941:2020
$102.76