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Aircraft sector application Riveted metal plate testing

Aircraft sector application Riveted metal plate testing
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Aircraft sector application Riveted metal plate testing

Product catalog summary
Overview: This document outlines the procedures and specifications for testing riveted metal plates in the aircraft sector, focusing on crack detection using the MDK-1 probe.
Specifications:
  • The testing is conducted on riveted aluminum plates with a thickness of 2 mm.
  • Cracks are typically found starting from the rivet hole, with reference faults ranging from 2 mm to 8 mm in length.
Testing Equipment:
  • Primary equipment includes the ELOTEST B310/M2 V3/M3.
  • The MDK 1-23 sensor is used for crack detection.
  • Additional components include the B3-RS adapter and EK-2-HF/1 lead.
Testing Procedure:
  • The sensor is aligned with the center line of the rivet row using an adjustable end stop for guidance.
  • The sensor is moved along the row of rivets to detect cracks.
Analysis:
  • Signal figures are used to determine the presence and length of cracks, ranging from 2 mm to 8 mm.
  • The amplitude of the signal correlates with the crack length, providing a measure of the defect size.
Conclusion: The document provides a detailed methodology for detecting cracks in riveted metal plates, essential for maintaining structural integrity in aircraft applications.
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Catalog excerpts

Aircraft sector application Riveted metal plate testing-1

Aircraft sector application Riveted metal plate testing Construction of riveted metal plates Testing task: Crack testing on riveted aluminum plates. There are cracks in the 2nd position, starting from the hole for the rivet. The plate is 2 mm thick. MDK-1 probe for checking for cracks in the riveted plate 2 mm thick with reference faults Sectional view of reference component/2nd position Reference component - plan view Reference component/ cross section

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Aircraft sector application Riveted metal plate testing-2

Aircraft sector application Riveted metal plate testing Riveted metal plate testing Test equipment: Equipment: ELOTEST B310/ M2 V3/ M3 Sensor: MDK 1-23 Adapter: B3-RS Lead: EK-2-HF/1 The guidance slot is set with the end stop so that the “Sensor centre” marking is on the centre line of the row of rivets. The sensor is moved along the row of rivets. Setting at the centre of the row of rivetse Setting at the centre of the row of rivets End stop for guidance, adjustable End stop for guidance, adjustable MDK 1-23 probe for testing for cracks in riveted plates

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Aircraft sector application Riveted metal plate testing-3

Aircraft secto Riveted metalAnalysis Signal figure Good Signal figures for cracks from 2 mm to 8 mm relative to the quality signal Analysis of the results: The length of the crack can be determined from the amplitude of the signal. Rohmann GmbH • Carl-Benz-Str. 23 • 67227 Frankenthal • GERMANY • Tel. +49(0)62 33 - 3789-0 • Fax +49(0)62 33 - 3789-77 www.rohmann.de • E-Mail: [email protected] Riveted Metal_04/10 Alle Rechte vorbehalten. Patente angemeldet. Geschmackmusterschutz MR 1.140. Technische Anderungen im Zuge der Weiterentwicklung ohne Vorankundigung vorbehalten.

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