ASD-STAN PREN 6059-407-2017 Aerospace series Electrical cables installation Protection sleeves Test methods Part 407 Mark adherence and print permanence (Edition P 1).pdf

1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 6059-407 Edition P 1 May 2017 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Descriptors: ENGLISH

2、VERSION Aerospace series Electrical cables, installation Protection sleeves Test methods Part 407: Mark adherence and print permanence Luft- und Raumfahrt Elektrische Leitungen, Installation Schutzschluche Prfverfahren Teil 407: Haftfestigkeit und Haltbarkeit der Kennzeichnung Srie arospatiale Cbles

3、 lectriques, installation Gaines de protection Mthodes dessais Partie 407 : Adhrence de marquage et permanence de limpression This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It

4、is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affe

5、cted, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, the ASD-STAN prEN will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformat

6、ion to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published b

7、y ASD-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and

8、technical report at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or

9、transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st May 2017 Comments should be sent w

10、ithin six months after the date of publication to ASD-STAN Electrical Domain Copyright 2017 ASD-STAN prEN 6059-407:2017 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Preparation of samples . 3 3 Apparatus. 3 4 Method 5 5 Requirements . 7 6 Reporting of results 7 Annex A (normative) Representation of pr

11、int contrast reference scale 8 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for P

12、ublication. prEN 6059-407:2017 (E) 3 1 Scope This standard specifies the method and means for testing the mark adherence and print permanence characteristics of sleeves used to identify electrical cable and cable bundles for aerospace applications. This test method evaluates the performance of print

13、ed samples produced by a specific supplier recommended print system. The print system will include: product, printer, printer ribbon and printer settings as applicable. 2 Preparation of samples The tube size for testing is 6 mm to 7 mm as supplied internal diameter; (however, this method can also be

14、 used for other tube sizes as required the mark performance shall be as specified in the relevant product standard for the tested product size). The samples shall be printed as specified by the supplier using the recommended ribbon and printer system. For thermal transfer and Dot Matrix print system

15、s use one line of text printed in the middle of the test sample using 10 pt Arial bold font to achieve a minimum contrast of C8 as shown in Annex A. For laser marked samples use Roman S 3,8 mm. If testing samples in the recovered state the products shall undergo full unrestricted recovery at the tim

16、es and temperatures specified in the product standard. Unrecovered samples shall be tested flat. All samples shall be tested in the unsupported state unless otherwise specified in the product standard. 3 Apparatus The apparatus shall be designed such that the rubbing member (eraser or cloth) can be

17、securely attached to a moving arm that can be loaded with a specified weight. The weighted arm with the rubbing member shall move as shown in Figure 1. The speed of rub shall be approximately 1 cycle every 2 seconds. The rubbing member shall be adjusted so that the rubbing face is parallel to the te

18、st piece. prEN 6059-407:2017 (E) 4 Key 1 Rubbing stroke 30 mm to 40 mm 2 Test sample 3 Cyclic motion B Base plate C Sample R Rubbing member W Weight Figure 1 Motion path for rubbing member Rubbing members: Eraser of shore A, hardness range 50 to 75 and of dimensions (18 11) mm; Non-woven towel wipe

19、consisting of 93 % fibre, 7 % binder using 70 % viscose/30 % polyester composition. Typical properties: weight 80g/m, thickness 2,84 mm/4 piles. prEN 6059-407:2017 (E) 5 A B C Chamfer mm R Radius mm 36,0 15,0 2 6 Figure 2 Plastic former for non-woven towel wipe 4 Method The Identification products s

20、hall be tested in each of the methods outlined below: 4.1 Test method A Mark adherence This method is used to demonstrate the quality and initial adherence of the chosen mark to the identification product. This method utilizes the eraser as specified in Clause 5 in an attempt to remove the dry mark

21、from the product surface. The samples shall be prepared as described in Clause 3. The sample to be tested shall be clamped at one end of the test jig such that the rubbing member can be moved along the test piece surface without causing creasing. All markers should be positioned directly under the r

22、ubbing member. The print shall be centrally positioned under the rubbing member. The rubbing member shall be normally an eraser of shore A, hardness range 50 to 75 and dimensions (18 11) mm. (rub surface area) An alternative rubbing member (where specified) is non-woven towel wipe as specified in Cl

23、ause 4. The rubbing member shall be loaded to the specified weight. The standard minimum weight shall be 0,9 kg. The rub test shall be conducted at ambient temperature: (23 2) C. prEN 6059-407:2017 (E) 6 The number of cycles shall be as specified. The minimum number of cycles shall be 20. After perf

24、orming the rub test the sample shall be examined for print legibility. (see section 5.4) 4.2 Test method B print permanence Dry wipe test This method is used to demonstrate the resistance of the mark to a specified environment. After exposure to the environment the test sample is rubbed clean by a s

25、pecified number of rubs using a dry cloth and the clarity and quality of the mark examined. The samples shall be prepared as described in Clause 3. The samples shall be exposed to an environment as specified in the relevant product standard. Following exposure the samples shall be left at ambient co

26、nditions prior to testing as specified in the relevant product standard. If no time is specified samples can be tested any time after completion of exposure. All markers should be positioned directly under the rubbing member. The print shall be centrally positioned under the rubbing member. The rubb

27、ing member shall be four layers of non-woven towel wipe cloth wrapped around a plastic former to the dimensions shown in Figure 2. The rubbing member shall be loaded to the specified weight. The standard minimum weight shall be 0,9 kg. The rub test shall be conducted at ambient temperature: (23 2) C

28、. The number of cycles shall be as specified. The minimum number of cycles shall be 20. After performing the rub test the sample shall be examined for print legibility. (see section 5.4) When using the non-woven towel wipe cloth it should be changed after each test to prevent wear or contamination.

29、4.3 Test method C print permanence Wet wipe test This method is used to demonstrate the resistance of the mark when the product is cleaned. This is simulated by the dry sample being rubbed with a cloth soaked in the specified cleaning fluid following which the clarity and quality of the mark examine

30、d. The samples shall be prepared as described in Clause 3. All markers should be positioned directly under the rubbing member. The print shall be centrally positioned under the rubbing member. The rubbing member shall be four layers of non-woven towel wipe cloth wrapped around a plastic former to th

31、e dimensions shown in Figure 2. prEN 6059-407:2017 (E) 7 Immediately prior to test fully immerse rubbing member (non-woven towel wipe cloth mounted on plastic holder) in specified cleaning fluid. The rubbing member shall be loaded to the specified weight. The standard minimum weight shall be 0,9 kg.

32、 The rub test shall be conducted at ambient temperature: (23 2) C. The number of cycles shall be as specified. The minimum number of cycles shall be 20. After performing the rub test the sample shall be examined for print legibility. (see section 5.4). The non-woven towel wipe cloth should be freshl

33、y immersed in the specified test fluid prior to each test. 4.4 Print Legibility Print legibility is determined by: a) When examined with normal reading eyesight at a distance of 355 mm, each character of the marking shall be complete, uniform, clear and easily identified. b) Assessment to a print co

34、ntrast reference scale (see Annex A, Figure A.1). 5 Requirements The requirements shall be as specified in the relevant product standard. 6 Reporting of results When reporting results the following information must be recorded: Full product description and batch (lot) number; Printer system and sett

35、ings used to mark products; Ribbon used in printer (where relevant); Evaluation being undertaken; Rubbing member used; Total weight applied by rubbing member onto sample; Number of cycles completed; Environment sample subjected to prior to print permanence testing; Print legibility Pass/Fail and print contrast score. prEN 6059-407:2017 (E) 8 Annex A (normative) Representation of print contrast reference scale Figure A.1 Print contrast reference scale