SAE AMS 2580A-2013 Shot Peening Ultrasonically Activated《超音速驱动的喷丸加工》.pdf
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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 theref
2、rom, 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 2013 SAE InternationalAll rights reserved. No part of this publication may b
3、e 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 USA)Fax
4、: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS2580AAEROSPACEMATERIALSPECIFICATIONAMS2580 REV. AIssued 2010-05Revised 2013-06Superseding AMS2580Shot
5、Peening, Ultrasonically ActivatedRATIONALEAMS2580A clarifies the frequency of intensity verification (4.2.1).1. SCOPE1.1 PurposeThis specification covers the requirements for inducing compressive residual stresses on the surface of metal parts using ultrasonically activated shot peening.1.2 Applicat
6、ionsUltrasonically activated shot peening is typically used to induce compressive residual stresses on the surface layer of metallic parts to a depth up to 0.040 inch (1 mm). The shape and depth of the compressive residual stress distribution depend on the properties of the part and the ultrasonical
7、ly activated shot peening process parameters. The residual stresses produced increase fatigue performance, resistance to stress-corrosion cracking, corrosion fatigue, and fretting fatigue, but its usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe issue of the following documents i
8、n effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has be
9、en specified, the last published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2431 Peening Media (ASR), Cast Steel Sh
10、ot, Regular Hardness (45 to 52 HRC)AMS2585 Shot Peening Media, Ultrasonically ActivatedSAE J442 Test Strip, Holder and Gage for Shot PeeningSAE J443 Procedures for Using Standard Shot Peening Test StripSAE J2277 Shot Peening CoverageSAE HS-784 Residual Stress Measurement by X-Ray DiffractionSAE AMS2
11、580A Page 2 of 93. TECHNICAL REQUIREMENTS3.1 Peening Media3.1.1 As-received peening media shall conform to the requirement of AMS2585, Shot Peening Media, Ultrasonically Activated. 3.1.2 Other peening media in accordance with AMS2431 may be used with approval by the cognizant engineering organizatio
12、n.3.1.3 Once the media size, material, hardness, and amount are selected, it shall not be changed without prior approval by the cognizant engineering organization3.1.4 Each peened part lot shall have a unique media batch and once a batch is prepared for a peened part lot, it shall be treated as a si
13、ngle entity for the life of the batch. Each media batch shall have a log sheet to document accumulated time with respect to amount, size, broken and deformed content. 3.1.5 The media batch shall be totally discarded and replaced with a new one if at least one ball is broken, or if balls are lost or
14、deformed over the established limits. The media batch shall also be totally discarded and replaced with a new one if it has been used for more than the prescribed usage time.3.1.6 Dilution of a batch with additional shot to improve conditions is not permitted. Mixing of types or sizes of media is al
15、so not permitted. 3.2 EquipmentThe ultrasonically activated shot peening equipment shall provide a means of transferring kinetic energy to the treatment balls inside a treatment chamber using a metallic element vibrating at an ultrasonic frequency.3.2.1 ChambersChambers are considered part of the pr
16、ocess and shall be documented for each application as follows:3.2.1.1 Each chamber shall have a serial number assigned and shall be part of a source tool control system or alternative system approved by the cognizant engineering organization. Chamber material shall be suitably chosen to limit abrasi
17、on which occurs during the peening process. Hard plastic materials with low damping coefficients and heat treated hard steel are suggested as chamber material.3.2.1.2 Chamber design shall not have any features to trap shots. Chamber ball tightness shall be less than one half of the media diameter us
18、ed in the chamber. 3.2.2 SonotrodeThe sonotrode is the metallic element vibrating at an ultrasonic frequency that transfers kinetic energy to the treatment balls inside a treatment chamber. Sonotrode is considered part of the process and shall be detailed for each application as follows.3.2.2.1 Once
19、 the sonotrode material, hardness, size and shape are selected, they shall not be changed without prior approval by the cognizant engineering organization.3.2.3 Parameter MonitoringThe equipment shall be continuously monitored with devices such as PLC or computer to ensure the parameters shown in Ta
20、ble 1 are within the tolerances indicated.SAE AMS2580A Page 3 of 9TABLE 1 - PARAMETERS FOR ULTRASONICALLY ACTIVATED SHOT PEENINGParagraph Parameter UnitsProcess TolerancePlus or Minus3.2.3.1 Sonotrode vibration AmplitudeInch (millimeter) 0.00016 (0.004)3.2.3.2 Frequency Hz 4003.2.3.3 Part Translatio
21、n % Inch/min 23.2.3.4 Part Rotation % Revolution/min. 23.2.3.5 Peening Cycle Time Seconds 13.2.4 The equipment shall be capable of interrupting the peening cycle within one second, when detected tolerances for amplitude (3.2.3.1), frequency (3.2.3.2), part translation (3.2.3.3) or part rotation (3.2
22、.3.4) are exceeded. The peening system shall also retain in memory any abort details for the parameters listed in Table 1 and be able to resume operation to complete the balance of the process cycle, from the position of shut down, once the out-of-tolerance condition has been corrected. Parts proces
23、sed during an aborted cycle shall be so identified by the processor. 3.2.5 Gages used with standard “A”, “C”, and “N” test strips shall conform to SAE J442 with end stops.3.2.6 Blocks and fixtures used to support standard test strips during tests to establish specified peening intensity shall confor
24、m to SAE J442. Test strips may also be supported directly on a scrap part or a representative fixture, without separate blocks, as long as the clamping dimensions conform to SAE J442. Alternative thickness of blocks shall be approved by the cognizant engineering organization.3.2.7 Masks and baffles
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