Composite Repair
WATS Conference - Composite repair - Training by Airbus WATS Conference – 22nd April 2015 Kenneth SCHOEPFLIN Lead Instructional Designer, Airbus Composite Repair for Field Technicians Training by Airbus WATS Conference - Composite repair - Training by Airbus Composite Repair for Field Technicians Agenda WATS Conference - Composite repair - Training by Airbus Challenge: Application to Composites © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Airbus Composite evolution © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Composite Repair Qualifications Advisory Circular 65-33 Provides guidance to establish a formal training program to qualify Composite Repair Technicians. Outlines proper assessment of individuals in disciplines of specific knowledge and practical skills. Aerospace Information Report 5719 Provides key teaching points and training objectives. Defines a checklist for instruction on standard Practices. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Selecting the proper repair Monolithic construction Structural Critical process steps for drilling trimming and countersinking © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. Sandwich construction or shallow damage on Monolithic constriction Non structural Critical process steps prepare surface bond WATS Conference - Composite repair - Training by Airbus Standard Practices Composite repair standard practices & rules widely recognized and followed to ensure reliability and safety All Manufacturers require Standard Practices for repairs to be followed Standard Practices are codified in each OEM Structural Repair Manual These Standard Practices are informed by internationally recognized guidelines to ensure repair quality © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Inspection Cleaning & Masking Machining Process steps Drying Core Restoration Resin Mixing Ply Impregnation & Lay up Heat Application Vacuum Bagging Inspection © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. Required process steps for composite repair: Ensure reliable repair Develop awareness to details Enhance controls WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Inspection ARP * 5089, Airbus SRM 51-77-10, NTM Properly defining the structure and the damage Post repair inspection *ARP: Aerospace Recommended Practice © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Cleaning & Masking ARP 4916 Airbus SRM 51-77-11 A clean part is essential for a reliable bond A water break test verifies a contamination free surface © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Machining AIR* 5367 Airbus SRM 51-27-21 Stepping or Scarfing to achieve a proper overlap of repair plies to existing material © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. *AIR: Aerospace Information Report WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Drying ARP 4977 Airbus SRM 51-77-11 Not following the proper drying cycle prior to the curing cycle can explode the part © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Core Restoration ARP 4991 Airbus SRM 51-77-11 Using proper materials for the proper application © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Resin Mixing ARP 5256 Airbus SRM 51-77-11 Calculating correct quantity according to fabric aerial weight Respecting ratios, pot life and gel Time © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Ply Impregnation & Lay up ARP 5319 Airbus SRM 51-77-11 Maintaining repair ply architecture and orientation Properly wetting out the dry fabric © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Heat Application ARP 5144 Airbus SRM 51-77-11 Proper heat management for the cure cycle according to specific repair and material characteristics © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Vacuum Bagging ARP 5143 Airbus SRM 51-77-11 Specific Materials for Specific Reasons Leak testing and maintaining correct vacuum pressure Using the correct protocol for the specific cure © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Example of standard practices for Bonded Repair Inspection ARP 5089, Airbus SRM 51-77-10, NTM Properly defining the structure and the damage Post repair inspection © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Focus on Monolithic structure Going beyond When a Tap Test is not enough We must know the construction type Sandwich or Monolithic or Both We must understand how to determine skin thickness We must understand our limitations as Non-NDT personnel © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Focus on Monolithic structure: the A350 XWB © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Focus on Monolithic structure: the A350 XWB Excerpt from NDT Chapter NDT examination decision © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Focus on Monolithic structure: the A350 XWB Examples of damages with NDT investigation © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Way forward Training, Qualifications and Standard practices are well defined in internationally recognized standards A few competent and professional training organizations have put it all together. Time tested standards and OEM SRM And fewer still have mobile capabilities to conduct training at your location © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus Training by Airbus: focus on Composite Repair Structure Training by Airbus covers each stage of the damage assessment and repair workflow Metallic courses Composite courses Our structure courses are available in house or on site Structure training facilities available in Toulouse, Beijing and Mobile © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. Structure maintenance and repair SRM familiarization for damage assessment Basic composite repair for technicians Advanced composite repair for technicians Composite repair engineering Radome repair for technicians WATS Conference - Composite repair - Training by Airbus Training by Airbus Reaching new horizons together © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document. WATS Conference - Composite repair - Training by Airbus © Airbus S.A.S. All rights reserved. Confidential and proprietary document. This document and all information contained herein is the sole property of AIRBUS. No intellectual property rights are granted by the delivery of this document or the disclosure of its content. This document shall not be reproduced or disclosed to a third party without the express written consent of AIRBUS S.A.S. This document and its content shall not be used for any purpose other than that for which it is supplied. The statements made herein do not constitute an offer. They are based on the mentioned assumptions and are expressed in good faith. Where the supporting grounds for these statements are not shown, AIRBUS S.A.S. will be pleased to explain the basis thereof. AIRBUS, its logo, A300, A310, A318, A319, A320, A321, A330, A340, A350, A380, A400M are registered trademarks. © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.
© Copyright 2024