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 entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, 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.QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243TO PLACE A DOCUMENT
3、 ORDER; (724) 776-4970 FAX: (724) 776-0790SAE WEB ADDRESS http:/www.sae.orgCopyright 1959 Society of Automotive Engineers, Inc.All rights reserved. Printed in U.S.A.SURFACEVEHICLE400 Commonwealth Drive, Warrendale, PA 15096-0001INFORMATIONREPORTSubmitted for recognition as an American National Stand
4、ardJ503REV.MAY59Issued 1928-02Revised 1959-05Superseding J503 JAN49WOODRUFF KEY SLOTS AND KEYWAYSForewordThis Document has also changed to comply with the new SAE Technical Standards Board Format.1. Scope2. ReferencesThere are no referenced publications specified herein.3. Shaft Diameter, LDecimal e
5、quivalents are given to four places in Table 1. All figures are calculated fromthis basic dimension. Any change in the shaft diameter from basic will necessarily change all other figures;and, in this case, should accurate dimensions be required, the formula given below should be used.4. Versed Sine,
6、 GThe versed sines specified are determined from the following formula:(Eq. 1)where:A is the minimum width of the key5. Bottom of Key Slot to Opposite Side of Shaft, HObtain by subtracting the versed sine G, and depth ofkey slot, B, from the shaft diameter, L.6. Top of Key to Opposite Side of Shaft,
7、 JObtain by subtracting the versed sine, G, from the shaft diameter,L, and then adding to this figure the height of key above shaft, C.7. Bottom of Keyway to Opposite Side of Bore, KObtain by subtracting the versed sine, G, from the shaftdiameter, L, and then adding to this figure the depth of keywa
8、y, E.GL2-L2A24-=SAE J503 Revised MAY59-2-FIGURE 1TABLE 1VERSED SINE DIMENSION, G(1)1. Listed for the different shaft sizes and keyway widths for reference in checking dimensions H, J, and K.LShaftDiaKey Width1/16KeyWidth3/32KeyWidth1/8KeyWidth5/32KeyWidth3/16KeyWidth7/32KeyWidth1/4KeyWidth5/16KeyWid
9、th3/8KeyWidth7/16KeyWidth1/2KeyWidth9/16KeyWidth5/8KeyWidth11/16KeyWidth3/40.3125 0.0032 0.3437 0.0029 0.0065 0.3750 0.0026 0.0060 0.0107 0.4060 0.0024 0.0055 0.0099 0.4375 0.0022 0.0051 0.0091 0.4687 0.0021 0.0047 0.0085 0.0134 0.5000 0.0020 0.0044 0.0079 0.0125 0.5625 0.0039 0.0070 0.0111 0.0161 0
10、.6250 0.0035 0.0063 0.0099 0.0144 0.0198 0.6875 0.0032 0.0057 0.0090 0.0130 0.0179 0.0235 0.7500 0.0029 0.0052 0.0082 0.0119 0.0163 0.0214 0.0341 0.8125 0.0027 0.0048 0.0076 0.0110 0.0150 0.0197 0.0312 0.8750 0.0025 0.0045 0.0070 0.0102 0.0139 0.0182 0.0288 0.9375 0.0042 0.0066 0.0095 0.0129 0.0170
11、0.0268 0.0391 1.0000 0.0039 0.0061 0.0089 0.0121 0.0159 0.0250 0.0365 1.0625 0.0037 0.0058 0.0083 0.0114 0.0149 0.0235 0.0342 1.1250 0.0035 0.0055 0.0079 0.0107 0.0141 0.0221 0.0322 0.0443 1.1875 0.0033 0.0052 0.0074 0.0102 0.0133 0.0209 0.0304 0.0418 1.2500 0.0031 0.0049 0.0071 0.0097 0.0126 0.0198
12、 0.0288 0.0395 1.3750 0.0045 0.0064 0.0088 0.0115 0.0180 0.0261 0.0357 0.0471 1.5000 0.0041 0.0059 0.0080 0.0105 0.0165 0.0238 0.0326 0.0429 1.6250 0.0038 0.0054 0.0074 0.0097 0.0152 0.0219 0.0300 0.0394 0.0502 1.7500 0.050.0690.0090 0.0141 0.0203 0.0278 0.0365 0.0464 1.8750 0.0470.0640.0084 0.0131
13、0.0189 0.0259 0.0340 0.0432 0.0536 2.0000 0.040.060.0078 0.0123 0.0177 0.0242 0.0318 0.0404 0.0501 2.1250 0.0560.0074 0.0116 0.0167 0.0228 0.0298 0.0379 0.0470 0.0572 0.06842.2500 0.0070 0.0109 0.0157 0.0215 0.0281 0.0357 0.0443 0.0538 0.06432.3750 0.1030.0149 0.0203 0.0266 0.0338 0.0419 0.0509 0.06
14、082.5000 0.0141 0.0193 0.0253 0.0321 0.0397 0.0482 0.05762.6250 0.0135 0.0184 0.0240 0.0305 0.0377 0.0457 0.05472.7500 0.1750.0229 0.0291 0.0360 0.0437 0.05212.8750 0.1680.0219 0.0278 0.0344 0.0417 0.04983.0000 0.0210 0.0266 0.0329 0.0399 0.0476SAE J503 Revised MAY59-3-8. Notes8.1 Marginal IndiciaTh
15、e change bar (l) located in the left margin is for the convenience of the user in locatingareas where technical revisions have been made to the previous issue of the report. An (R) symbol to the leftof the document title indicates a complete revision of the report.PREPARED BY THE SAE PARTS AND FITTI
16、NGS COMMITTEESAE J503 Revised MAY59RationaleNot applicable.Relationship of SAE Standard to ISO StandardNot applicable.ApplicationNot applicable.Reference SectionThere are no referenced publications specified herein.Developed by the SAE Parts and Fittings CommitteeSponsored by the SAE Parts and Fittings Division
