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    SAE AS 2592-2010 Flap Assemblies Rotary Flap Peening《旋转式副翼锤平 副翼装配》.pdf

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    SAE AS 2592-2010 Flap Assemblies Rotary Flap Peening《旋转式副翼锤平 副翼装配》.pdf

    1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there

    2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2010 SAE International All rights reserved. No part of this publication m

    3、ay be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-4970 (outside U

    4、SA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS2592AEROSPACESTANDARDAS2592 Issued 2010-12 Flap Assemblies, Rotary Flap Peening RATIONALE T

    5、his standard was issued to cover equipment required to accomplish flap peening in accordance with AMS2590. 1. SCOPE This Aerospace Standard covers components of rotary flap assemblies, assembled by peening processors, to be used with portable equipment for peening of metal parts. Classification The

    6、flap assemblies shall be of the following types. TABLE 1 - FLAP ASSEMBLY TYPES Mandrel with 9/16 x 1 inch flaps, Figure 1 Mandrel with 9/16 x 1 inch flaps, Figure 2 Mandrel with 1 x 2 inch flaps, Figure 3 1.1 Intended Use Flap assemblies are used for rotary flap peening, a portable method used to in

    7、duce surface compressive stresses in metal parts as detailed in AMS2590. The tool flaps are rotated rapidly and manually forced against a substrate being peened. A portion of the flat face of each flap embedded with shot strikes the metal surface causing peening . 2. APPLICABLE DOCUMENTS The followi

    8、ng publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In theevent of conflict between the text of this standard and refe

    9、rences cited herein, the text of this standard takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel:

    10、 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2590 Rotary Flap Peening of Metal Parts SAE AS2592 Page 2 of 73. TECHNICAL REQUIREMENTS 3.1 Design Each flap assembly component shall be designed with optimum ergonomics and assure operator safety. Each flap assembly

    11、 component shall be of such size, material, and strength as to endure without failure the maximum stresses imposed during use with an adequate factor of safety. 3.1.1 Interchangeability Flaps and mandrels manufactured to this standard shall permit assembly of detail parts without modification regard

    12、less of manufacturer. The flaps shall be easily replaceable in the mandrels. 3.1.2 Construction The flap assembly shall be assembled by the user from a steel mandrel (3.2) with two radially extended flaps inserted in the slot of the mandrel. The two flaps shall be bonded together and shall have tung

    13、sten carbide shot embedded in the ends.3.1.3 Shot Material The material used for shot shall be metallic carbide with a nominal composition of 94 percent tungsten carbide and 6 percent cobalt. The nominal size of the shot to be used shall be 0.045 inch r 0.003 (1.10 mm r 0.07) diameter. The sphericit

    14、y of the shot shall be not more than r0.003 inch (r0.07 mm) out of round. The material for the shot shall have a microhardness equivalent to Rockwell A 91 r 3 (with a 60 kg load).3.1.4 Flap Material The flap material shall be a fabricated of a suitable synthetic material cloth supporting tungsten ca

    15、rbide shot embedded and bonded to the ends with a suitable thermosetting resin or adhesive that also stiffens the cloth. Suitability of material selected shall be established such that the requirements of 4.5 are met (See 8.1). 3.1.5 Shot Distribution The carbide shot shall be a single row of 8 shot

    16、 particles on the outer edges as shown in Figure 1 or a double row of 8 shot particles on the outer edges as shown in Figures 2 and 3. 3.2 Mandrels Mandrels shall be suitable for use in any electrical or pneumatic portable tool with a three jaw chuck. The mandrel shall conform to the dimensions spec

    17、ified in Figures 1, 2, or 3 as applicable for the specified flap size. 3.2.1 Material The mandrel shall be fabricated from cold finished round carbon steel bar stock or drill rod of sufficient strength to preclude failure through fracture or bending when operated at the maximum safe operating speed.

    18、 All surfaces of the mandrel shall be smooth, free from burrs, sharp edges or other harmful imperfections and shall be nickel plated all over. Plated surfaces shall be free from unplated spots, blisters or other defects which might adversely affect the serviceability of the mandrel. 3.2.2 Sleeves Th

    19、e 1 x 2 inch flap assembly mandrel shall be provided with two polymeric sleeves conforming to the dimensions specified herein and shall be similar in construction to that shown in Figure 3 (See 8.2). SAE AS2592 Page 3 of 74. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspections Unless othe

    20、rwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the insp

    21、ection requirements specified herein. The cognizant engineering organization reserves the right to sample and perform any testing deemed necessary. 4.2 Lot Definition A lot of flaps shall be fabricated from the same batch each of the component details: shot, woven fabric, resin and adhesive material

    22、 combined in the same cure cycle produced in a given production run and presented for inspection at one time. 4.3 Sampling for Inspection 4.3.1 Sampling of Shot Material For a given batch of shot, a sample shall consist of one layer of shot adhered to tape in a 1 square inch area. 4.3.2 Sampling of

    23、Mandrels and Flaps A random sample of three mandrels and flaps shall be selected from each lot for inspection (4.4) and testing (4.5). 4.4 Quality Conformance Inspection 4.4.1 Examination Each of the sample mandrels, sleeves, shot, flaps, or flap assemblies selected in accordance with 4.3.2 shall be

    24、 visually and dimensionally examined to verify compliance with the requirements of this standard. The items shall be checked for such points as general finish, quality of plating (mandrels), and workmanship. Any sample containing one or more defects shall be cause for rejection of the lot. 4.4.1.1 I

    25、nspection of Shot The shot sample shall be examined at 10X to 30X magnification. Any indication of defective shot shall cause rejection of this lot of shot. Shot shall meet the 3.1.3 requirements by examination and testing or accepted by manufacturer certification. 4.4.2 Materials for Components The

    26、 supplier shall furnish certification that the materials and component details, including the flap, shot, mandrel, sleeves, adhesive, and resin materials, conform with this standard. SAE AS2592 Page 4 of 74.5 Flap Assembly Test and Inspection Procedure 4.5.1 Flaps 9/16 x 1 inch (14 x 25 mm) and 9/16

    27、 x 1 inch (14 x 32 mm) The sample flap assemblies selected in accordance with 4.3.2 shall be mounted in a suitable tool so that the rotation will produce a speed of 5000 200 RPM with typical working flap deflection in accordance with AMS2590. The flap shall be conditioned on a used test strip to rem

    28、ove the resin from the shot surface in accordance with AMS2590 prior to testing for one minute. One new “A” test strip shall be attached to the magnetic strip holder and peened for 1 minute. The amount of arc height shall be measured and shall not be less than 0.010 inch (0.3 mm). The peening operat

    29、ion shall be repeated for three more minutes using the same test strip and arc height measured. The amount of arc height shall not be less than 0.014 inch (0.4 mm). The peening operation shall be repeated for one more minute using the same test strip. The flap shall be visually examined. Not more th

    30、an two particles of shot shall be missing from the flap. The flap shall be intact and shall show no indication of separation. If the flap fails this test and inspection procedure, the lot shall be subject to rejection. 4.5.2 Flaps 1 x 2 inch (25 x 51 mm) The sample flap assemblies selected in accord

    31、ance with 4.3.2 shall be mounted in a suitable tool so that the rotation will produce a speed of 3000 100 RPM with typical working flap deflection in accordance with AMS2590. The flap shall be conditioned on a used test strip to remove the resin from the shot surface per AMS2590 prior to testing for

    32、 one minute. One new “A” test strip shall be attached to the magnetic strip holder and peened for 1 minute. The amount of arc height shall be measured and shall not be less than 0.010 inch (0.3 mm). The peening operation shall be repeated for four more minutes using the same test strip and arc heigh

    33、t measured. The amount of arc height shall not be less than 0.014 inch (0.4 mm). The flap shall be visually examined. Not more than two particles of shot shall be missing from the flap. The flap shall be intact and shall show no indication of separation. If the flap fails this test and inspection pr

    34、ocedure, the lot shallbe subject to rejection. 5. PREPARATION FOR DELIVERY Preservation, packaging, packing and marking shall be in accordance with supplier requirements. 6. ACKNOWLEDGEMENT The supplier shall mention AS2592 in all quotations and when acknowledging purchase orders. 7. REJECTIONS Flap

    35、 assemblies that do not conform to this standard or any modification specified by the cognizant engineering organization shall be subject to rejection. 8. NOTES 8.1 A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editori

    36、al changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes

    37、only. 8.2 Nylon square weave cloth has been found to be suitable for the flap material. 8.3 Translucent polyethylene has been found to be suitable for sleeve material. 8.4 Purchase documents shall specify the following: AS2592 Flap assembly type. PREPARED BY AMS COMMITTEE “B“ AND AMEC SAE AS2592 Page 5 of 7FIGURE 1 - MANDREL WITH 9/16 X 1 INCH FLAP SAE AS2592 Page 6 of 7FIGURE 2 - MANDREL WITH 9/16 X 1 1/4 INCH FLAP SAE AS2592 Page 7 of 7FIGURE 3 - MANDREL WITH 1 X 2 INCH FLAP


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