1、 AEROSPACE STANDARD BUSHING, SLEEVE, PLAIN INNER BORE LINER AS6072Copyright 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, recording, or otherwi
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3、PLY CLASS 3120 AS6072 SHEET 1 OF 2 PROCUREMENT SPECIFICATION: NONESAE Technical Standards Board Rules provide that: “This report ispublished by SAE toadvance thestate of technicalandengineering sciences. Theuse ofthisreport is entirelyvoluntary, andits applicability and suitability forany particular
4、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 yourwrittencomments andsuggestions. SAE values your input. To provide
5、feedbackon this Technical Report, please visit http:/www.sae.org/technical/standards/AS6072 RATONALE NEW STANDARD PROVIDES INNER BORE LINER BUSHINGS INTENDED FOR USE WITH PTFE-LINED PLAIN JOURNAL BEARINGS SUCH AS AS81934. FIGURE 1 - AS6072 BUSHING TABLE 1 - BUSHING DIMENSIONS BASIC NO. AS6072 SIZE C
6、ODE A +.0010 -.0000 B -3 .1900 .3120 +.0000 -.0005 -4 .2500 .3745 +.0000 -.0005 -5 .3125 .4370 +.0000 -.0005 -6 .3750 .4995 +.0000 -.0005 -7 .4375 .5620 +.0000 -.0005 -8 .5000 .6245 +.0000 -.0005 -9 .5625 .7495 +.0000 -.0005 -10 .6250 .8120 +.0000 -.0005 -12 .7500 .9995 +.0000 -.0005 -14 .8750 1.124
7、5 +.0000 -.0005 -16 1.0000 1.2490 +.0000 -.0010-18 1.1250 1.4990 +.0000 -.0010 -22 1.3750 1.6240 +.0000 -.0010 AEROSPACE STANDARD AS6072 SHEET 2 OF 2 BUSHING, SLEEVE, PLAIN INNER BORE LINER NOTES: 1. MATERIAL: 17-4PH CORROSION RESISTANT STEEL PER AMS5643 2. HEAT TREATMENT: CONDITION H-1025 3. FINISH
8、 THE BUSHING OD SHALL BE CHROME PLATED PER AMS2460 CLASS 2, .002 MIN THICKNESS AFTER GRINDING AND POLISHING. 4. IDENTIFICATION: BAG AND TAG WITH THE SUPPLIERS NAME, TRADEMARK, OR CODE NUMBER, BASIC PART NUMBER AND SIZE CODE. PACKAGES SHALL BE MARKED WITH THE SUPPLIERS NAME, TRADEMARK OR CODE NUMBER
9、 AND THE COMPLETE AS PART NUMBER FOR ALL BUSHING SIZES. 5. SURFACE TEXTURE: OD 8 Ra,ALL OTHER SURFACES 125 Ra IN ACCORDANCE WITH ASME B46.1. 6. BREAK EDGES .005 TO .015 UNLESS OTHERWISE SPECIFIED. 7. DIMENSIONING AND TOLERANCING: ASME Y14.5M-1994. 8. THE CONTOUR OF THE EDGE MAY VARY BETWEEN A SMOOTH
10、LY BLENDED 45 DEGREE CHAMFER AND A TRUE RADIUS SO THERE ARE NO REMAINING SHARP EDGES, SCRATCHES OR NICKS. 9. DIMENSIONS ARE IN INCHES. 10. ALL DIMENSIONS ARE TO BE MET AFTER PLATING. 11. DIAMETERS TO BE CONCENTRIC WITHIN .003 FIR. 12. THE OD OF PLATED BEARINGS SHALL BE HONED, POLISHED, OR SIMILARLY
11、FINISHED SUBSEQUENT TO GRINDING. 13. INTENDED USE: THESE BEARINGS ARE DESIGNED FOR CLAMPING TO THE SHAFT, WITH RELATIVE MOTION OCCURRING ON THE BEARING OD ONLY. THE PRIMARY DESIGN PURPOSE OF THESE BEARINGS IS TO PROVIDE A HIGHLY POLISHED, HARD WEAR SURFACE FOR USE AGAINST PTFE LINED JOURNAL BEARINGS
12、 SEE AS81934/1 OR AS81934/2. 14. EXAMPLE OF PART NUMBER: AS6072 - 10 - 076 LENGTH IN .010 INCH INCREMENTS (076 = .760). ALWAYS USE 3 DIGITS. SIZE DASH NUMBER (NOMINAL DIAMETER) DOCUMENT NUMBER 15. A CHANGE BAR (l) LOCATED IN THE LEFT MARGIN IS FOR THE CONVENIENCE OF THE USER IN LOCATING AREAS WHERE
13、 TECHNICAL REVISIONS, NOT EDITORIAL 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 ONLY.
