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ISO/ASTM 52941:2020 Additive manufacturing - System performance and reliability - Acceptance tests for laser metal powder-bed fusion machines for metallic materials for aerospace application >
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ISO/ASTM 52941:2020 Additive manufacturing - System performance and reliability - Acceptance tests for laser metal powder-bed fusion machines for metallic materials for aerospace application, 2020
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 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
- 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
- 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
- 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
- 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
- 6.8.3 Gas flow test by hot wire anemometer
- 6.9 Requalification
- 7 Test report
- Annex A (informative) Example of a test report
- Annex B (informative) Geometric pattern for the trajectory accuracy test
- Bibliography [Go to Page]