Machine Design Databook

Copyrighted Material MACHINE DESIGN DATABOOK K. Lingaiah, Ph.D. Ba ngalore University Professor Emeritus Adichunchanagiri Institute of Technology Second Edition l\1cGraw-Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi Sa n Jua n Seoul Singapo re Sydney Toronto Copyrighted Material Copyrighted Material M 1.j:}pdt.fl§IQll •.l11 /Ti,i .M Copyright 0 2003, 1994 by The McGraw-Hin C'°mpanies. Die. All cigh13 reserved. Exce.pt as pennitted wtder U1e United St3tes Copyright Act of 1976. no part of this publication m3y be reproduced or distnlmted in any form or by any means. or stored in a database or l'etJ~ev.U iy1;.1.e1n, \vir.hout the prio1· \VTitr.e.n peimi~ion of the publisher. ISBN: 97S-0--07-15049-4 MAID: 0-07-150049-9 The material in Un• a~ tra..kn1arks of thtirr~J>t'ctiv~ Q\vne~. Rallier llw,u put. 3 lndc:1nark syn1l>ol -af\cI o~ry occurri:uce of a trodtaria-rked n3.me1 \\1t3 use names in an editorl3l fas hion only. and t\> tho benetitofthe trademark 0 \\1ler. "\Vi th no intention ofinfc1ngetnent of the cradcmack. \\'11ere such designations appear in this book. they have been printed \Vith initial caps. f\.1cGr3\\'· Rill eBooks are a-....'3Hablc at special quantity discounts lO me. as prcmimns and saJcs prv1notions, or for use in corporate training progf3ms. ·ro contact a rcprcscnL'ltivc please "isit the Cont'lct Us page a.t w''"v.mhprofcssivnal.con1. Infut1nation conuined in this \\'Otk has bttn obtained by The McOm,v-flill Co1npanies.. Inc. (''~·lcOru\v-lllll ") fro1n sources believed co be reliable. HO\vever. neither McOta\v-HiH not its authors guarantee the nc.e 1·espons-ible for any enX>rs, onlissions, O I' darooges mi sing out of use oft11is inform..tiou. Thi& '"''k is published wid1 the understsndi ng that McGraw-Hill and its a whrs are supplying infoallarion but are not at.tcnrpting to render eng:iJletring or other- professionl\J Ut"\~~s. lf such scivices att rtqui~d rhe :JSSisc3ncc. of a n Appropriate professional should l>c sought. T BRMS OF tJSB This is a copydgbtcd \\'Otk and The Mc.Graw·Bill Cornpanies. Inc. ('~tcGro\v..ffiU') and its licensors n-set'-785 686 686–785 >735 Brinell hardness, HB 200 >200 200 200–230 >230 200 200–230 >230 Workpiece material 2942 3472 6865 7472 8257 6865 7472 8257 C 6.2 5.1 9.2 8.8 6.3 Kv 0.04–0.08 0.03–0.06 0.02–0.03 0.02–0.05 0.02–0.03 0.02–0.03 0.02–0.04 0.02–0.03 sz 0.73 0.73 0.85 0.85 0.85 0.85 0.85 0.85 0.6 0.6 0.87 0.87 0.87 m6 1128 1344 1735 1980 2452 1735 1980 2452 C 6.2 5.1 7.7 7.0 5.0 Kv 0.6 0.6 0.87 0.87 0.87 m6 0.08–0.15 0.07–0.12 0.04–0.07 0.07–0.12 0.04–0.07 0.03–0.06 0.06–0.10 0.04–0.07 sz Keyway broaching 0.95 0.95 1.4 1.4 1.4 m7 0.73 0.73 0.85 0.85 0.85 0.85 0.85 0.85 m5 0.95 0.95 1.4 1.4 1.4 m7 sz > 0:07 mm Keyway broaching sz 0.07 mm m5 Circular or round broaching TABLE 25-25 Values of C, sz and m5 for use in Eqs. (25-80) and (25-81) Steels Cast iron Stress su , MPa Brinell hardness, HB Workpiece material 1490 2108 2079 2255 2785 2079 2255 2785