1、AEROSPACE STANDARD INSERT - THIN WALL, SHORT AND LONG HOLE PREPARATION FOR AS3508Copyright 2014 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, record
2、ing, 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: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org ISSUED 1993-02REAFFIRMED2004-07REVISED 2014-05THI
3、RD ANGLE PROJECTION CUSTODIAN: E-25 REV.AFEDERAL SUPPLY CLASS 5340 AS3508SHEET 1 OF 3REV. APROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report ispublishedby SAE toadvance thestate of technicalandengineeringsciences.The useofthis reportisentirelyvoluntary, an
4、dits applicability and suitability forany particular use,including any patent infringement arising therefrom, isthe soleresponsibilityofthe user.”SAE reviews eachtechnicalreport at least every five years at which time itmay berevised,reaffirmed, stabilized, orcancelled. SAE invites yourwrittencommen
5、ts andsuggestions. SAE values your input. To provide feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS3508ARATIONALE REVISE THREAD SPECIFICATION TO AS8879. ADD MAX RAD TO BOTTOM OF CBORE, ADD ANSI Y14.5M-1982. REVISE COUNTERBORE DEPTH, DIM F, FOR HOLES WITH SERR
6、ATIONS, REVISE DIM B TOLERANCE, ADD NOTE FOR FULL THREAD DEPTH IN BLIND HOLES, GENERAL EDITORIAL UPDATE INCLUDING FIGURE 1 REDRAWN UPDATED AND TABLE 1 FORMAT UPDATED. FIGURE 1 - INSERT INSTALLATION HOLE PREPARATION AEROSPACE STANDARD AS3508SHEET 2 OF 3REV. AINSERT - THIN WALL, SHORT AND LONG HOLE PR
7、EPARATION FOR TABLE 1A - IDENTIFICATION NUMBERS AND DIMENSIONS A, B, C, D, E, F, AND G ASIDENT NUMBER ATHREADAS8879B TAPHOLE CD SERRATIONMAJOR EFCBOREDEPTHWITH SERRATIONS /5/FCBOREDEPTHWITHOUT SERRATIONS/5/GSERRATIONDEPTH/5/AS3508-01 .2500-28 UNJF-3B .220-.226 .249-.254 .264-.269 .291-.303 .096-.107
8、 .077-.087 .067-.087 AS3508-02 .3125-24 UNJF-3B .280-.286 .311-.316 .334-.339 .358-.370 .096-.107 .077-.087 .067-.087 AS3508-03 .3750-24 UNJF-3B .342-.348 .374-.379 .400-.405 .425-.437 .096-.107 .077-.087 .067-.087 AS3508-04 .4375-20 UNJF-3B .403-.409 .436-.441 .457-.462 .480-.492 .128-.138 .108-.11
9、8 .098-.118 AS3508-05 .5000-20 UNJF-3B .467-.473 .499-.504 .523-.528 .547-.559 .128-.138 .108-.118 .098-.118 AS3508-06 .5625-24 UNJEF-3B .530-.536 .561-.566 .580-.585 .606-.618 .128-.138 .108-.118 .098-.118 TABLE 1B - AS IDENT NUMBERS AND DIMENSIONS H, J, AND K ASIDENT NUMBERH MIN THREAD DEPTH FOR A
10、S3504/8/H MIN THREAD DEPTH FOR AS3505/8/ JK MIN BOSS DIA FORAS3504/6/K MIN BOSS DIA FORAS3505/6/AS3508-01 .325 .510 20 .410 .490 AS3508-02 .415 .630 24 .470 .550 AS3508-03 .505 .755 29 .540 .620 AS3508-04 .595 .910 34 .600 .680 AS3508-05 .695 1.035 39 .660 .740 AS3508-06 .785 1.160 44 .720 .800 AERO
11、SPACE STANDARD AS3508SHEET 3 OF 3REV. AINSERT - THIN WALL, SHORT AND LONG HOLE PREPARATION FOR NOTES: 1. DIMENSIONS ARE IN INCHES. 2. BREAK SHARP EDGES .005 MAX, UNLESS OTHERWISE SPECIFIED. /3/ CHIP REMOVAL REQUIRED AFTER BROACHING SERRATIONS. 4. THREAD MARKS PERMISSIBLE IN COUNTERBORE AREA. /5/ FOR
12、 HARD MATERIALS ABOVE 187 BHN (3000 KGF AND 10 MM BALL) E.G. STEEL, NICKEL, TITANIUM, ETC. A SERRATED CBORE IS REQUIRED IN THE INSTALLATION HOLE. FOR SOFT LIGHT ALLOY MATERIALS NOT EXCEEDING 187 BHN (3000 KGF LOAD AND 10 MM BALL) E.G. ALUMINUM, MAGNESIUM, ETC. USE A PLAIN CBORE IN THE INSTALLATION H
13、OLE. /6/ THE RECOMMENDED BOSS DIAMETER WILL ALSO DEPEND ON COMPONENT APPLICATION, METHOD OF MANUFACTURE, AND ALLOWANCES FOR SALVAGE. 7. SPECIAL GAGE AND TOOLING ARE REQUIRED FOR PROPER PREPARATION AND INSPECTION OF INSTALLATION HOLE. TOOLING AND GAGE MAY BE OBTAINED FROM INSERT SUPPLIER. /8/ DEPTH V
14、ALUES SPECIFIED ARE BASED ON MAXIMUM INSERT LENGTHS AND MAXIMUM INSTALLATION DEPTH. THEY MAY BE SHORTENED DEPENDING ON MATERIAL STRENGTH, BOLT AXIAL LOAD, METHOD OF MANUFACTURE, AND DESIGN CONFIGURATION. /9/ FOR BLIND HOLE APPLICATIONS, TAP DRILL DEPTH SHALL BE SUFFICIENT TO ACCOMMODATE MINIMUM FULL
15、 THREAD DEPTH (DIM H) AND THREAD RUNOUT. 10. DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982 (ASME PUBLICATION). 11. DO NOT USE UNASSIGNED PART NUMBERS. 12. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE TECHNICAL REVISIONS, NOT EDITORIAL CHANGE
16、S, 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 ONLY. AS AND AMS ARE SAE INTERNATIONAL PUBLICATIONS ASME IS AN AMERICAN SOCIETY OF MECHANICAL ENGINEERS PUBLICATION
