1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSXEOLVKHGE6$(WRDGYDQFe 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 tKHUHIURPLVWKHVROHUHVS
2、RQVLELOLWRIWKHXVHU SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2014 SAE International All rights reserved. No part of this publication may be reproduced
3、, 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: 724-776
4、-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/J738_201401 SURFACE VEHICLE STANDARD J738 JAN2014 Issued 1958-05 Revised 2014-01 Superseding J738 JUL2008 Cut
5、ting Edge - Double Bevel Cross Sections RATIONALE This standard has been revised to update cancelled and superseded reference documents. 1. SCOPE This standard is for cutting edge sections typically used in earth-moving machinery defined in SAE J1116 and ISO 6165: a. Scrapers as defined in ISO 7133.
6、 b. Dozers as described in ISO 6747. c. Loaders as described in ISO 7131. d. Graders as described in ISO 7134. Hole spacing is defined ISO 7129. Hole conformation is defined in SAE J740. 1.1 Purpose This standard specifies dimensions for cutting edge cross section. 2. REFERENCES 2.1 Applicable Docum
7、ents The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-732
8、3 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. SAE J740 Countersunk Square Holes for Cutting Edges and End Bits SAE J1116 Categories of Off-Road Self-Propelled Work Machines SAE INTERNATIONAL J738 Revised JAN2014 Page 2 of 4 2.1.2 ISO Publication Available from American Nation
9、al Standards Institute, 25 West 43rd Street, New York, NY 10036-8002, Tel: 212-642-4900, www.ansi.org. ISO 6165 Earth-moving machinery - Basic types Identification and terms and definitions ISO 6747 Earth-moving machinery - Dozers - Terminology and commercial specifications ISO 7129 Earth-moving mac
10、hinery - Cutting edges used on tractor-dozers, graders and scrapers - Principal shapes and basic dimensions ISO 7131 Earth-moving machinery - Loaders - Terminology and commercial specifications ISO 7133 Earth-moving machinery - Scrapers - Terminology and commercial specifications ISO 7134 Earth-movi
11、ng machinery - Graders - Terminology and commercial specifications 3. TOLERANCES AND DIMENSIONS Dimensions for double bevel cutting edge cross sections are shown in Table 1. TABLE 1 - DIMENSIONS FOR DOUBLE BEVEL CUTTING EDGE CROSS SECTIONS THICKNESS = T mm THICKNESS = T IN. THICKNESS = T TOLERANCE W
12、IDTH = W mm WIDTH = W IN. WIDTH = W TOLERANCE BLUNT = F mm BLUNT = F IN. BLUNT = F TOLERANCE 12.7 0.50 152.4 6.00 EurFsw 7.6 0.30 15.7 0.62 152.4 6.00 lErstFrrx p 9.4 0.37 19.0 0.75 152.4 6.00 11.4 0.45 15.7 0.62 165.1 6.50 9.4 0.37 15.7 0.62 203.2 8.00 9.4 0.37 19.0 0.75 203.2 8.00 11.4 0.45 22.4 0
13、.88 0.8 mm 203.2 8.00 13.2 0.52 4.0 mm 25.4 1.00 (0.03 IN) 203.2 8.00 15.2 0.60 (0.16 IN) 28.4 1.12 203.2 8.00 17.0 0.67 EswFvx 19.0 0.75 254.0 10.00 lErrxFrsz p 11.4 0.45 22.4 0.88 254.0 10.00 13.2 0.52 25.4 1.00 254.0 10.00 15.2 0.60 28.4 1.12 254.0 10.00 17.0 0.67 31.8 1.25 254.0 10.00 19.0 0.75
14、35.1 1.38 254.0 10.00 20.8 0.82 41.1 1.62 254.0 10.00 24.6 0.97 SAE INTERNATIONAL J738 Revised JAN2014 Page 3 of 4 TABLE 1 - DIMENSIONS FOR DOUBLE BEVEL CUTTING EDGE CROSS SECTIONS (CONTINUED) THICKNESS = T mm THICKNESS = T IN THICKNESS = T TOLERANCE WIDTH = W mm WIDTH = W IN. WIDTH = W TOLERANCE BL
15、UNT = F mm BLUNT = F IN. BLUNT = F TOLERANCE 19.0 0.75 304.8 12.00 11.4 0.45 22.4 0.88 304.8 12.00 13.2 0.52 25.4 1.00 304.8 12.00 15.2 0.60 28.4 1.12 304.8 12.00 17.0 0.67 31.8 1.25 304.8 12.00 19.0 0.75 38.1 1.50 304.8 12.00 22.9 0.90 19.0 0.75 330.2 13.00 11.4 0.45 22.4 0.88 330.2 13.00 13.2 0.52
16、 25.4 1.00 330.2 13.00 15.2 0.60 28.4 1.12 330.2 13.00 17.0 0.67 31.8 1.25 330.2 13.00 19.0 0.75 35.1 1.38 330.2 13.00 20.8 0.82 38.1 1.50 330.2 13.00 22.9 0.90 41.1 1.62 0.8 mm 330.2 13.00 24.6 0.97 4.0 mm44.5 1.75 (0.03 IN) 330.2 13.00 26.7 1.05 (0.16 IN)EswFvx 19.0 0.75 355.6 14.00 lErrxFrsz p 11
17、.4 0.45 22.4 0.88 355.6 14.00 13.2 0.52 25.4 1.00 355.6 14.00 15.2 0.60 28.4 1.12 355.6 14.00 17.0 0.67 31.8 1.25 355.6 14.00 19.0 0.75 22.4 0.88 406.4 16.00 13.2 0.52 25.4 1.00 406.4 16.00 15.2 0.60 28.4 1.12 406.4 16.00 17.0 0.67 31.8 1.25 406.4 16.00 19.0 0.75 35.1 1.38 406.4 16.00 20.8 0.82 38.1
18、 1.50 406.4 16.00 22.9 0.90 41.1 1.62 406.4 16.00 24.6 0.97 44.5 1.75 406.4 16.00 26.7 1.05 1.12 28.4 482.6 19.0 17.0 0.67 1.38 35.1 482.6 19.0 20.8 0.82 1.62 41.1 482.6 19.0 24.6 0.97 SAE INTERNATIONAL J738 Revised JAN2014 Page 4 of 4 TABLE 1 - DIMENSIONS FOR DOUBLE BEVEL CUTTING EDGE CROSS SECTION
19、S (CONTINUED) STRAIGHTNESS TOLERANCE (BOW AND CAMBER) TO BE 6.4 mm (0.25 IN.) IN ANY 1524 mm (60 IN.) OF LENGTH, REFERENCE AISI. THICKNESS TOLERANCE “FOR SECTIONS OTHER THAN ROLLED SECTIONS REFER 720$18)$&785(5667$1$56 ANGLE TOLERANCE TO BE: 1.1/2 DEG FOR ALL THICKNESS UP THROUGH 35 mm (1.38 IN.) ON
20、 ROLLED & MACHINED SECTIONS AND 2 DEG FOR CAST, FORGED AND FLAME CUT SECTIONS. 1.DEG FOR THICKNESS OVER 35 mm (1.38 IN.). 4. NOTES 4.1 Marginal Indicia A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, h
21、ave 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. PREPARED BY THE MTC1, LOADERS, CRAWLERS, SCRAPERS AND MOUNTED ATTACHMENTS COMMITTEE
