Slide 1: Requirements for the use of tomographic inspection for aerospace components acceptance
Export Data Tagger See on Tag. Re . entry 011910_20240429 Jurisdiction Civil to be evaluated under Reg. (CE) 428/2009 as amended Export Classification/Category No Export Controlled Technology (NECT) Requirements for the use of tomographic inspection for aerospace components acceptance 19th X-ray & C
Slide 2: Scope
Scope − Outline all the steps that the tomographic control process must follow for its use for parts resolution in the aeronautical sector − The approach used is that of: − provide contextualization and some basic information on tomographic control − build an outline of a hypothetical process proced
Slide 3: Context
Context 1895 1913 2010 2018 2024 FILM 2D NON FILM: CR / DR NON FILM: 3D CT Tomography is to be considered a non-film sub-technique of radiographic control Baker Hughes Confidential Subject to the restrictions on the cover or first page. 3
Slide 4: Tomographic equipment (CT scan)
Tomographic equipment (CT scan) High variety of features, both at hardware and software level There is no unique solution for creating a tomographic system but it depends on the manufacturer Baker Hughes Confidential Subject to the restrictions on the cover or first page. 4
Slide 5: Special process management in aerospace
Special process management in aerospace SPECIAL PROCESSES PRODUCTION INSPECTION SPECIAL PROCESSES SPECIAL PROCESSES A process TOMOGRAPHIC INSPECTION SAFETY RELIABILITY C B personnel equipment REPRODUCIBILITY Baker Hughes Confidential Subject to the restrictions on the cover or first page. 5
Slide 6: Section A: the tomographic inspection process – definition and control
Section A: the tomographic inspection process – definition and control To guarantee the inspection process and its repeatability it is essential to define: Scope: Applicability: e.g.. type of parts Limits: ❑ investigation of a ❑ assembled parts ❑ material component or a portion of it ❑ additive manu
Slide 7: Section A: the tomographic inspection process – definition and control
Section A: the tomographic inspection process – definition and control To guarantee the inspection process and its repeatability it is essential to define: Main process phases: Image quality: Process data card: ❑ acquisition ❑ general principles ❑ significant process ❑ reconstruction ❑ artefacts man
Slide 8: Section B: equipment–tomographic system, qualification and maintenance tests
Section B: equipment–tomographic system, qualification and maintenance tests The requirements of the system are to maintain its efficiency within the limits identified at its installation Main equipment components: Fuctional tests and stability: Risk management plan ❑ list ❑ CDF (ASTM E1695) definti
Slide 9: Section C: process personnel – qualification management and maintenance
Section C: process personnel – qualification management and maintenance Requirement: personnel shall be qualified according to NAS410 / EN 4179 No specific definition of what «RT non-film» is Can already qualified «RT non film» personnel automatically operate and accept parts with CT? (Are all RT no
Slide 10: UK NANDTB model
UK NANDTB model Reference: NANDTB/30: UK NANDTB Interim Policy for 3D Non-Film radiographic testing training and qualification – initial issue 5 Sep 2022; expiration 5 Sep 2024, unless extended or withdrawn Scope: facilitate the introduction of 3DNF RT conversion training for an initial cadre of EN4
Slide 11: ITANDTB model
ITANDTB model Reference: ITANDTB-12 Guideline for Computed Tomography (CT) RT non film technique Levels 1, 2, 3 personnel training and qualification – initial issue 26 July 2024 Scopo: guideline definition for CT personnel qualification management - qualification process starting from no previous qu
Slide 12: ITANDTB model
ITANDTB model Expert L3 (L3 RT 3DNF CT) The application is evaluated on the basis of the following evidence: ➢ Previous qualification at level 3 RT non-film for at least 5 years ➢ Documented Formal Training 3DNF CT: ➢ 40 hours of course dedicated to tomography (evidence: certificate of participation
Slide 13: ITANDTB model
ITANDTB model Dedicated CT Syllabus for each qualification level ➢ Basic Theory: special processes and NDT, personnel qualification ➢ Test Principles: x-ay generation, x-ray source, detectors, digital image ➢ Safety ➢ Process phases and paramenters ➢ Process control ➢ Applicable techniques ➢ Applica
Slide 14: Remarks and Conclusions
Remarks and Conclusions Tomography is to be considered a non-film sub-technique of radiographic control The complexity of the method forces us to establish the rules of the game in advance: the process requirements Each step of the process must be standardized and described in detail to ensure repea
Slide 15: Avio Aero
AviO Aero»