TABLE 21-37 Round strand galvanized steel wire ropes for shipping purposes Tensile strength of wire, 1373–1569 MPa (140–160 kgf/mm 2 ) Approx. Breaking strength Approx. Breaking strength Approx. Breaking strength Approx. Breaking strength weight of rope, min weight of rope, min weight of rope, min weight of rope, min Diameter N/m kgf/m kN kgf N/m kgf/m kN kgf N/m kgf/m kN kgf N/m kgf/m kN kgf of wire, mm 6 Â7 Fiber core 16  12 Fiber core 6 Â13 Fiber core 7 Â7 Fiber core 8 2.2 0.22 31.0 3150 1.5 0.15 18.1 1850 9 2.8 0.28 38.8 3950 2.1 0.21 26.0 2650 10 3.3 0.34 47.1 4800 2.5 0.25 30.4 3100 11 4.0 0.41 56.9 5800 2.8 0.29 35.3 3650 3.7 0.38 52.0 5300 12 5.1 0.52 72.6 7400 3.7 0.38 46.1 4700 5.1 0.52 72.6 7400 4.4 0.45 62.8 6400 14 5.8 0.69 96.1 9800 4.7 0.48 58.4 5950 7.8 0.80 109.8 11200 5.7 0.58 80.4 8200 16 8.7 0.89 123.6 12600 6.4 0.65 79.4 8100 9.4 0.96 132.4 13500 7.6 0.77 106.9 10900 18 10.9 1.11 154.0 15700 7.6 0.78 95.6 9750 12.4 1.26 174.6 17800 9.7 0.99 137.3 14000 20 13.9 1.42 198.1 20200 9.8 1.00 122.1 12450 14.9 1.52 209.9 21400 12.1 1.23 171.6 17500 22 16.6 1.69 236.3 24100 11.4 1.16 141.7 14450 18.5 1.89 261.8 26700 15.5 1.58 219.7 22400 24 19.5 1.99 278.5 28400 13.9 1.42 173.6 17700 21.0 2.14 295.2 30100 18.5 1.89 262.8 26800 26 22.8 2.32 323.6 33000 16.8 1.70 208.9 21300 25.5 2.60 361.9 36900 21.9 2.23 308.9 33500 28 27.1 2.76 385.4 39300 18.7 1.91 234.4 23900 30.5 3.11 429.5 43900 25.4 2.59 359.9 36700 32 34.7 3.54 494.3 50400 24.3 2.48 304.0 31000 39.4 4.02 555.1 56600 30.2 3.08 427.6 43600 36 44.5 4.54 634.5 64700 30.6 3.12 382.5 39000 40.1 4.09 703.1 71700 38.7 3.95 548.2 56000 40 54.3 5.54 773.9 78900 39.0 3.98 489.4 49900 61.6 6.28 867.9 88500 49.7 5.07 704.1 71800 6 Â19 Fiber core 6 Â24 Fiber core 6 Â37 Fiber core 7  19 Wire core 8 1.9 0.20 28.0 2850 2.2 0.22 28.4 2900 2.3 0.23 31.9 3250 9 2.8 0.29 40.2 4100 2.6 0.27 34.8 3550 2.9 0.30 41.2 4200 10 3.4 0.35 47.3 4800 3.1 0.32 42.2 4300 3.3 0.34 47.1 4800 11 3.9 0.40 53.9 5500 3.7 0.38 50.0 5100 4.1 0.42 58.4 5950 12 5.1 0.52 71.1 7250 4.4 0.45 58.8 6000 5.0 0.51 70.6 7200 7.3 0.74 101.5 10350 14 6.5 0.66 90.2 9200 5.9 0.60 78.5 8000 7.0 0.71 98.1 10000 9.9 1.01 138.3 14100 16 8.8 0.90 122.6 12500 8.4 0.86 112.8 11500 9.3 0.95 31.4 13400 11.9 1.21 165.7 16900 18 10.6 1.08 147.1 15000 10.4 1.06 140.2 14300 12.0 1.22 168.7 17200 15.2 1.55 211.8 21600 20 13.5 1.38 188.3 19200 12.7 1.29 169.7 17300 14.9 1.52 256.9 26200 17.7 1.80 245.2 25000 22 15.7 1.60 218.7 22300 15.0 1.53 201.0 20500 18.2 1.86 256.9 26200 20.8 2.12 289.3 29500 24 19.2 1.96 267.7 27300 17.7 1.80 238.3 24100 20.0 2.04 282.4 29900 26.0 2.65 361.9 36900 26 23.1 2.36 321.6 32800 22.0 2.24 294.2 30000 23.8 2.43 336.4 34300 29.1 2.97 406.0 41400 28 26.0 2.65 360.9 36800 25.1 2.56 336.9 34300 28.0 2.85 394.2 40200 37.9 3.86 526.6 53700 32 33.7 3.44 468.8 47800 32.0 3.26 428.6 43700 37.2 3.79 524.7 53500 47.6 4.85 662.9 67600 36 42.4 4.32 588.4 60000 41.8 4.26 599.0 57000 47.8 4.87 674.7 68800 60.8 6.20 847.3 86400 40 54.1 5.52 664.9 67800 50.5 5.15 676.7 69000 56.6 5.77 798.3 81400 73.1 7.45 1027.7 104800 44 65.1 6.64 905.2 92300 60.1 6.13 806.1 82200 69.5 7.09 981.6 100100 86.3 8.80 1203.3 122700 48 78.0 7.95 1084.6 110600 73.3 7.47 982.6 100200 83.9 8.55 1183.7 120700 101.0 10.30 1407.3 143500 52 90.0 9.18 1251.3 127600 84.7 8.64 1136.6 115900 95.2 9.71 1344.5 137100 116.6 11.89 1625.0 165700 60 104.0 10.61 1446.5 147500 97.0 9.90 1301.3 132700 111.7 11.39 1577.9 160900 133.8 13.59 1857.4 189400 Source: IS 2581, 1968. FLEXIBLE MACHINE ELEMENTS 21.61 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-38 Dimensions and breaking strength of flat balancing wire ropes Nominal size Approximate weight Minimum b Âs, a mm Cross breaking strength Diameter section of Double-stitched Single-stitched of rope Double- Single- of the the strand, Constructions stitched stitched wire, mm mm 2 N/m kgf/m N/m kgf/m kN kgf 6 Â4  770 17 70  15 1.60 338 34.3 3.5 33.3 3.4 463.9 47300 74 Â18 74 Â16 1.70 381 39.2 4.0 37.3 3.8 522.7 53300 78 Â19 78 Â17 1.80 427 44.1 4.5 42.2 4.3 585.5 59700 82 Â20 82 Â18 1.90 477 49.0 5.0 47.1 4.8 654.1 66700 87 Â21 87 Â19 2.00 528 53.9 5.5 52.0 5.3 724.7 73900 91 Â22 91 Â20 2.20 581 59.8 6.1 56.9 5.8 797.2 81300 95 Â23 95 Â21 2.20 638 65.7 6.7 62.8 6.4 875.7 89300 8 Â4  7 110  20 110  18 1.90 636 65.7 6.7 62.8 6.4 872.8 89000 113 Â20 113  18 1.95 670 68.7 7.0 65.7 6.7 919.9 93800 116 Â21 116  19 2.00 703 72.6 7.4 68.7 7.0 956.0 98400 119 Â21 119  19 2.05 739 76.5 7.8 72.6 7.4 1014.0 103400 122 Â22 122  20 2.10 775 79.4 8.1 76.5 7.8 1064.0 108500 125 Â22 125  20 2.15 812 83.4 8.5 79.4 8.1 1116.0 113800 128 Â23 128  21 2.20 851 87.3 8.9 83.4 8.5 1168.0 119100 6 Â4  12 112 Â26 112 Â23 1.90 818 84.3 8.6 80.4 8.2 1122.9 114500 115 Â26 115  23 1.95 861 88.3 9.0 84.3 8.6 1181.7 120500 118 Â27 118  24 2.00 904 98.2 9.5 88.3 9.0 1240.5 126500 121 Â27 121  24 2.05 950 98.1 10.0 93.2 9.5 1304.3 133000 124 Â28 124  25 2.10 996 103.0 10.5 98.1 10.0 1367.0 139400 127 Â28 127  25 2.15 1045 107.9 11.0 103.0 10.5 1439.6 146300 130 Â29 130  26 2.20 2094 112.8 11.5 106.9 10.9 1483.7 151300 8 Â4  12 146 Â26 146 Â23 1.90 1091 112.8 11.5 106.9 10.9 1497.5 152700 149 Â26 149  23 1.95 1148 118.7 12.1 112.8 11.5 1575.9 160700 154 Â27 154  24 2.00 1206 124.5 12.7 118.7 12.1 1655.4 168800 157 Â27 157  24 2.05 1267 130.4 13.3 124.5 12.7 1738.7 177300 160 Â28 160  25 2.10 1329 137.3 14.0 130.4 13.3 1824.0 186000 165 Â28 165  25 2.15 1394 143.2 14.6 136.3 13.9 1913.3 195100 168 Â29 168  26 2.20 1459 150.0 14.3 143.2 14.6 2002.5 204200 8 Â4  14 160 Â27 160 Â24 1.90 1272 131.4 13.4 124.6 12.7 1745.5 178000 164 Â28 164  25 1.95 1340 138.3 14.1 131.4 13.4 1842.2 187800 168 Â28 168  25 2.00 1407 145.1 14.8 138.3 14.1 1930.9 196900 172 Â29 172  26 2.05 1478 152.0 15.5 145.1 14.8 2029.0 206900 176 Â29 176  26 2.10 1550 159.8 16.3 152.0 15.5 2188.0 217000 180 Â30 180  27 2.15 1626 167.7 17.1 159.9 16.3 2232.0 227600 184 Â30 184  27 2.20 1702 175.5 17.9 166.7 17.0 2335.9 238200 8 Â4  91 186 Â31 186 Â28 1.90 1727 177.5 18.1 169.7 17.3 2377.3 251700 190 Â32 190  29 1.95 1818 187.3 19.1 178.5 18.2 2495.8 254500 194 Â33 194  30 2.00 1909 191.1 20.1 187.3 19.1 2620.3 267200 a b ¼ width of rope, s ¼ thickness of rope. Source: IS 5203, 1969. 21.62 CHAPTER TWENTY-ONE FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-39 Dimensions and breaking strength of flat hoisting wire ropes Minimum breaking Cross section Weight strength of rope a Nominal size, Nominal wire of strand, Construction b  s, mm diameter, mm mm 2 N/m kgf/m kN kgf 6 Â4  752 10 1.20 190 18.6 1.9 298.1 30400 56 Â11 1.30 223 21.6 2.2 349.1 35600 60 Â12 1.40 259 25.5 2.6 406.0 41400 65 Â14 1.50 297 29.4 3.0 465.8 47500 70 Â15 1.60 338 33.3 3.4 529.6 54000 74 Â16 1.70 381 37.3 3.8 597.2 60900 78 Â16 1.80 427 42.2 4.3 669.8 68300 82 Â18 1.90 477 47.1 4.8 748.2 76300 87 Â19 2.00 528 52.0 5.3 827.7 84400 91 Â20 2.10 581 56.9 5.8 911.0 92900 95 Â21 2.20 638 62.8 6.4 1000.3 102000 8 Â4  770 10 1.20 253 24.5 2.5 396.2 40400 75 Â11 1.30 298 29.4 3.0 466.8 47600 80 Â12 1.40 345 34.3 3.5 541.3 55200 86 Â14 1.50 396 39.2 4.0 620.8 63300 92 Â15 1.60 450 44.1 4.5 706.1 72000 98 Â16 1.70 508 50.0 5.1 796.3 81200 104 Â17 1.80 569 55.9 5.7 892.4 91000 110 Â18 1.90 636 62.8 6.4 997.3 101700 116 Â19 2.00 703 68.6 7.0 1102.3 112400 122 Â20 2.10 775 76.5 7.8 1216.0 124400 128 Â21 2.20 851 83.4 8.5 1333.7 136600 a Rope having wires of tensile strength of 1569 MPa (160 kgf/mm 2 ). Source: IS 5202, 1269. FLEXIBLE MACHINE ELEMENTS 21.63 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-40 Tensile grade Tensile strength range Grade of wire MPa kgf/mm 2 120 1176.8–1471.0 120–150 140 1372.9–1078.7 140–170 160 1569.1–1863.3 160–190 180 1765.2–2059.4 180–210 200 1961.3–2353.6 200–240 TABLE 21-41 Values of C for wire ropes Rope diameter, mm C Rope diameter, mm C 9.50 1.090 15.90 1.064 11.11 1.083 19.00 1.054 12.70 1.076 22.20 1.046 14.30 1.070 25.40 1.040 TABLE 21-42A Approximate wire rope and sheave data Wire, Recommended sheave Ultimate strength, F u Weight diameter diameter, mm (in) Rope d w , Area A, construction MN lbf  10 3 kN/m lbf/ft mm (in) mm 2 (in 2 ) Average Minimum 6 Â19 500:8d 2 72d 2 36:3d 2 1:60d 2 0:063d 0:38d 2 45d 30d 6 Â37 473:1d 2 68d 2 35:3d 2 1:55d 2 0:045d 0:38d 2 27d 18d 8 Â19 431:3d 2 62d 2 34:3d 2 1:50d 2 0:050d 0:35d 2 31d 21d 6 Â7 473:0d 2 68d 2 32:4d 2 1:45d 2 0:106d 0:38d 2 72d 42d SI units: d ¼ diameter of rope, m. US Customary units: d ¼ diameter of rope, in. 21.64 CHAPTER TWENTY-ONE FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-42B Wire rope data Minimum Modulus of Weight per sheave Standard Size of outer elasticity, a Strength, b Rope foot, lb diameter, in sizes, d, in Material wires Mpsi kpsi 6 Â7 haulage 1:50d 2 42d 1 4 –1 1 2 Monitor steel d/9 14 100 Plow steel d/9 14 88 Mild plow steel d/9 14 76 6 Â19 standard 1:60d 2 26d–34d 1 4 –2 3 4 Monitor steel d/13–d/16 12 106 hoisting Plow steel d/13–d/16 12 93 Mild plow steel d/13–d/16 12 80 6 Â37 special 1:55d 2 18d 1 4 –3 1 2 Monitor steel d/22 11 100 flexible Plow steel d/22 11 88 8 Â19 extra 1:45d 2 21d–26d 1 4 –1 1 2 Monitor steel d/15–d/19 10 92 flexible Plow steel d/15–d/19 10 80 7 Â7 aircraft 1:70d 2 — 1 16 – 3 8 Corrosion-resistant steel — — 124 Carbon steel — — 124 7 Â9 aircraft 1:75d 2 — 1 8 –1 3 8 Corrosion-resistant steel — — 135 Carbon steel — — 143 19-wire aircraft 2:15d 2 — 1 32 – 5 16 Corrosion-resistant steel — — 165 Carbon steel — — 165 a The modulus of elasticity is only approximate: it is affected by the loads on the rope and, in general, increases with the life of the rope. b The strength is based on the nominal area of the rope. The figures given are only approximate and are based on 1-in rope sizes and 1 4 -in aircraft- cable sizes. Source: Compiled from America n Steel and Wire Company Handbook. TABLE 21-43 Common wire rope application Sheave diameter, cm Type of service Rope construction Recommended Minimum Haulage rope 6 Â772d 42d Mine haulage Factory-yard haulage Inclined planes Tramways Power transmission Guy wires Standard hoisting rope 6 Â19 45d 30d (Most commonly used rope) 60–100d Mine hoists Quarries Ore docks Cargo hoists Car pullers Cranes Derricks 20–30d Tramways Well drilling Elevators Extraflexible hoistings rope 8 Â19 31d 21d Special flexible hoisting rope 6 Â37 27d 18d Steel-mill ladles Cranes High speed elevators 21.65 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-44 Recommended safety factors for wire ropes Safety factor 100 or other figure laid down by the statutory authority Rope application Class 1 Classes 2, 3 Class 4 From Indian Standards Mining ropes 3.5 4.0 4.5 Wire ropes used on the cranes and other hoisting equipment Fixed guys Unreeved rope bridles of jib cranes or ancillary appliances, such as lifting beams Ropes which are straight between terminal fittings Hoisting, luffing and reeved bridle systems of inherently flexible crances (e.g., mobile crawler tower, guy derrick, stiffleg derrick) where jibs are supported by ropes or where equivalent shock absorbing devices are incorporated in jib supports 4.0 4.5 5.5 Cranes and hoists in general hoist blocks 4.5 5.0 6.0 From Other Sources Mine Shafts Depths to 152 m 8 305–610 m 7 610–915 m 6 >915 m 5 Haulage ropes 6 Small electric and air hoists 7 Hot ladle cranes 8 Slings 8 Source: IS 3973, 1967. TABLE 21-45 Ratio of drum and sheave diameter to rope diameter Minimum, ratio a Purpose Construction 100 Mining Installation All Class 1 Classes 2, 3 Class 4 Cranes and allied 6 Â15 15 17 22 hoisting equipment 8 Â19 filler wire 8 Â19 17 18 24 8 Â19 Warrington 8 Â19 Seale 34 Â7 nonrotating 6 Â24 18 19 25 6 Â19 filler wire 18 20 23 6 Â19 19 23 27 6 Â19 Warrington 17 Â7 nonrotating 18 Â7 nonrotating 6 Â19 Seale 24 28 35 a The ratio of the sheave diameters specified are valid for rope speeds up to 50 m/min. For speeds above 50 m/min, the drum or sheave diameter should be increased pro rata by 8% for each additional 50 m/min of rope speed where practicable. 21.66 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. The working load for the ordinary steel BB crane chain The sheave diameter Round steel short link and round steel link chain LENGTH AND WIDTH (Figs. 21-17 and 21-18): The outside dimensions of the links shall fall between the following limits: Outside link length limits (Fig. 21-17) Maximum outside link width (Fig. 21-18) Minimum inside link width Pitch (i.e., inside length) Dimensions and lifting capacities and properties of noncalibrated and calibrated chains P w ¼ 93;750d 2 SI ð21-79aÞ where d in m and P w in kN P w ¼ 13;600d 2 USCS ð21-79bÞ where d in in and P w in lbf P w ¼ 9:56d 2 Customary Metric ð21-79cÞ where d in mm and P w in kgf D ¼ 20d to 30d ð21-80Þ l j> 5d n for uncalibrated chain ð21-81aÞ l j< 6d n for calibrated chain ð21-81bÞ W max j> 3:5d n away from weld ð21-82aÞ W max j> 1:05 (adjacent width) at weld for noncalibrated chains ð21-82bÞ W max ¼ 3:25d n for calibrated chain ð21-83Þ W t j< 1:25d n except at the weld for noncalibrated chain ð25-84Þ p ¼ 3d n for calibrated chain ð21-85Þ Refer to Tables 21-46 to 21-51. Particular Formula FIGURE 21-17 Diameter of material and welded chain. FLEXIBLE MACHINE ELEMENTS 21.67 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-46 Dimensions and lifting capacities of grade 30 noncalibrated chain (Figs. 21-17 and 21-18) Maximum outside link width, W Minimum Minimum Maximum energy safe additional weld Away Max Guaranteed absorption working Lifting Diameter tolerance dimensions Outside from extra Minimum minimum factor (energy load capacity Nominal d n j> 16, þ0:02s link length limits weld, at inside link breaking load absorption (stress (stress size, d n , À0:06s (d w À d)(G À d) W max weld, width, stress 30h bar, 0.054 kJ m À1 7:5h bar), 7:6h bar), mm d n ! 16, Æ0:05s max max 5d n 4:75d n 3:5d n 0:5W max 1:25d n kN mm À2 ), kJ/m kN tonnes 6.3 þ0.12, À0.36 1.2 2.1 32 30 22 1.1 7.9 18.9 3.4 4.8 0.50 7.1 þ0.14, À0.42 1.4 2.4 36 34 25 1.25 8.9 23.6 4.3 5.9 0.63 8.0 þ0.16, À0.48 1.6 2.8 40 38 28 1.4 10 30.2 5.5 7.5 0.80 9.0 þ0.18, À0.54 1.8 3.1 45 43 31 1.6 1.1 38.1 6.9 9.5 1.00 10.0 þ0.20, À0.60 2.0 3.5 50 48 35 1.8 12 47.1 8.5 11.8 1.25 11.2 þ0.22, À0.66 2.2 3.9 56 53 39 2.0 14 59.2 10.7 14.8 1.6 12.5 þ0.25, À0.75 2.5 4.4 62 59 44 2.2 16 73.8 13.4 18.5 2.0 14.0 þ0.28, À0.84 2.8 4.9 70 66 49 2.5 18 93.0 16.7 23.2 2.5 16.0 þ0.32, À0.96 3.2 5.6 80 76 56 2.8 20 120.0 22.0 30.0 3.2 18.0 þ0.90 3.6 6.3 90 86 63 3.1 22 153.0 39.0 38.2 4.0 20.0 þ1.0 4.0 7.0 100 95 70 3.5 25 189.0 32.0 49.0 5.0 22.0 þ1.1 4.4 7.7 110 105 77 3.9 28 228.0 42.0 57.0 6.3 25.0 Æ1.2 5.0 8.7 125 120 87 4.4 31 296.0 53.0 74.0 8.0 28.0 Æ1.4 5.6 9.8 140 130 98 4.9 35 372.0 67.0 93.0 10.0 32.0 Æ1.6 6.4 1.1 160 150 110 5.5 40 483.0 87.0 121.0 12.5 36.0 Æ1.9 7.2 1.2 180 170 120 6.0 45 610.0 112.0 152.0 16.0 40.0 Æ2.0 8.0 1.4 200 190 140 7.0 50 757.0 136.0 189.0 20.0 45.0 Æ2.2 9.0 1.6 225 215 160 8.0 56 953.0 173.0 228.0 22.5 Source: IS 2429 (Part I), 1970. 21.68 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. TABLE 21-47 Dimensions and lifting capacities of grade 30 calibrated chain (Figs. 21-17 and 21-18) Minimum energy Outside absorption Maximum Maximum width Guaranteed factor safe Diameter additional weld Preferred Pitch tolerance minimum (energy working Lifting tolerance dimensions pitch tolerance Preferred away from At weld breaking absorption load capacity Nominal d n j> 16, þ0:02s (inside (one outside weld zone zone load (stress 0.054 kJ m À1 (stress (stress size, À0:06s (d w À d)(G Àd) length), link), width, þ0:075d n þ0:15d n 30h bar), mm À2 ), 7:5h bar), 7:5h bar), d n ,mm d n ! 16, Æ0:05s max max 3d n 0:00396d n w ¼ 3:25d n 0 0 kN kJ/m kN tonnes 6.3 þ0.12, À0.36 0.48 2.1 19 0.26 20 0.45 0.90 18.9 3.4 4.8 0.50 7.1 þ0.14, À0.42 0.56 2.4 21 0.30 23 0.52 1.0 23.6 4.3 5.9 0.63 8.0 þ0.16, À0.48 0.64 2.8 24 0.33 26 0.59 1.1 30.2 5.5 7.5 0.80 9.0 þ0.18, À0.54 0.72 3.1 27 0.36 29 0.67 1.3 38.1 6.9 9.5 1.00 10.0 þ0.20, À0.60 0.80 3.5 30 0.40 32 0.75 1.5 47.1 8.5 11.8 1.60 11.2 þ0.22, À0.66 0.88 3.9 34 0.44 36 0.84 1.7 59.2 10.7 14.8 1.60 12.5 þ0.25, À0.75 1.0 4.4 37 0.49 41 0.93 1.9 73.8 13.4 18.5 2.0 14.0 þ0.28, À0.80 1.1 4.9 42 0.55 46 1.05 2.1 93.0 16.7 23.2 2.5 16.0 þ0.32, À0.96 1.2 5.6 48 0.63 52 1.20 2.4 120 22.0 30.0 3.2 18.0 Æ0.90 1.4 6.3 54 0.71 58 1.35 2.7 153 26.0 38.2 4.0 20.0 Æ1.0 1.6 7.0 60 0.79 65 1.50 3.0 189 39.0 49.0 5.0 22.0 Æ1.1 1.8 7.7 66 0.87 73 1.70 3.4 228 42.0 57.0 6.3 25.0 Æ1.2 2.0 8.7 75 0.99 82 1.90 3.8 296 53.0 74.0 8.0 28.0 Æ1.4 2.2 9.8 84 1.1 91 2.10 4.2 372 67.0 93.0 10.0 32.0 Æ1.6 2.5 1.1 96 1.2 100 2.40 4.8 483 87.0 121.0 12.5 36.0 Æ1.9 2.8 12 108 1.4 110 2.70 5.4 610 112.0 152.0 16.0 40.0 Æ2.0 3.2 14 120 1.6 130 3.00 6.0 757 136.0 189.0 20.0 45.0 Æ2.2 3.6 16 155 1.8 150 3.40 6.8 953 173.0 228.0 22.5 Source: IS 2429 (Part II), 1970. 21.69 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. 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TABLE 21-48 Dimensions and lifting capacities of grade 40 noncalibrated chain (Figs. 21-17 and 21-18) Maximum outside link width, W Minimum Minimum Maximum energy safe additional weld Away Max Guaranteed absorption working Lifting Diameter tolerance dimensions Outside link from extra Minimum minimum factor (energy load capacity Nominal d n j> 16, þ0:02s length limits weld, at inside link breaking load absorption (stress (stress size, d n , À0:06s (d w À d)(G À d) W max weld, width, stress 30h bar, 0.072 kJ m À1 10h bar), 10h bar), mm d n ! 16, Æ0:05s max max 5d n 4:75d n 3:5d n 0:05W max 1:25d n kN mm À2 ), kJ/m kN tonnes 6.3 0.12, À0.36 1 2.1 30 28 21 1.0 7.5 24.9 4.50 6.2 0.63 7.1 0.14, À0.42 1.4 2.4 35 33 24 1.24 8.8 31.6 4.70 7.9 0.80 8.0 0.16, À0.48 1.6 2.8 40 38 28 1.4 10 40.2 7.25 10.0 1.00 9 0.18, À0.54 1.8 3.1 45 43 31 1.6 1.1 50.9 9.18 12.7 1.25 10 0.20, À0.60 2.0 3.5 50 48 35 1.8 12 62.8 11.30 15.7 1.6 11 0.22, À0.66 2.2 3.9 55 52 39 2.0 14 79.0 14.20 19.7 2.0 12.5 0.25, À0.75 2.5 4.4 62 59 44 2.2 16 98.4 17.7 24.5 2.5 14.0 0.28, À0.84 2.8 4.9 70 66 49 2.5 18 124.0 22.2 30.8 3.2 16.0 0.32, À0.96 3.2 5.6 80 76 56 2.8 20 161.0 29.0 40.3 4.0 18.0 þ0.90 3.6 6.3 90 86 63 3.1 22 204.0 37.7 50.5 5.0 20.0 þ1.0 4.0 7.0 100 95 70 3.5 25 252.0 45.3 63.0 6.3 22.0 þ1.1 4.4 7.7 110 105 77 3.9 28 304.0 55.0 76.0 8.0 25.0 Æ1.2 5.0 8.7 125 120 87 4.4 31 394.0 70.7 98.5 10.0 28.0 Æ1.4 5.6 9.8 140 130 98 4.9 35 492.0 89.0 123.0 12.5 32.0 Æ1.6 6.4 11 160 150 110 5.5 40 644.0 116.0 161.0 16.0 36.0 Æ1.9 7.2 12 180 170 120 6.0 45 814.0 147.0 204.0 20 40.0 Æ2.0 8.0 14 200 190 140 7.0 50 1010.0 181.0 252.0 25 45.0 Æ2.2 9.0 16 225 215 160 8.0 56 1270.0 230.0 318.0 32 Source: IS 3109 (Part I), 1970. 21.70 FLEXIBLE MACHINE ELEMENTS Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. 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[...]... 1 610 1450 1270 107 0 860 19.05 TABLE 21-60 Maximum speed (rpm), recommended of sprockets for roller chains 580 670 750 820 880 935 985 102 0 106 0 109 0 1 110 1130 1150 1160 1100 1160 1 110 1020 920 805 675 545 25.40 415 475 535 585 630 670 700 730 755 755 790 805 875 825 830 825 790 730 655 575 410 390 31.75 Pitch 325 375 415 455 490 520 550 750 590 605 620 630 640 645 650 645 615 570 515 450 375 305 38 .10. .. 2590 2900 3170 3420 3630 3 810 3970 4100 4 210 4300 4380 4480 4 410 4 510 4490 4290 3970 3570 3 110 2620 2100 9.50 1690 1940 2180 2380 2560 2720 2860 2980 3080 3160 3230 3290 3330 3360 3380 3370 3220 2970 2670 2330 1970 1580 12.70 1220 1400 1570 1720 1850 1969 2060 2150 2220 2280 2330 2370 2400 2420 2440 2430 2320 2140 1930 1680 1420 1140 15.80 920 105 0 1 110 1290 1390 1480 1550 1 610 1670 1720 1750 1780 1800... 39.4 49.9 61.6 74.5 88.8 102 .5 138.7 167.7 192.7 234.4 570 100 0 1270 1570 2260 3080 4020 5090 6280 7600 9050 104 50 14140 1 7100 20360 23900 16.7 29.5 37.5 46.2 66.5 90.6 118.3 149.8 184.9 223.7 266.2 336.9 415.9 503.3 598.8 702.9 1700 3 010 3820 4 710 6780 9140 12060 15270 18850 22 810 27140 34350 42 410 51320 6107 0 71680 3.3 5.9 7.5 9.2 13.3 18.1 23.7 30.0 37.0 44.7 53.2 67.4 83.2 100 .7 119.8 140.6 340 602... 3.07 3.07 4.22 4.22 4.22 4.60 4.60 4.60 6 .10 6 .10 6 .10 7.14 7.14 7.14 8.05 8.05 8.05 Plate thickness, max, T mm 190.0 190.0 280.0 370.0 250.0 250.0 390.0 500.0 450.0 450.0 670.0 890.0 630.0 102 0.0 1250.0 980.0 1 510. 0 1960.0 1600.0 2400.0 3200.0 2400.0 3200.0 4300.0 2800.0 4100 .0 5500.0 N 19 .10 19 .10 28.60 38 .10 25.40 25.40 39.90 50.80 45.40 45.40 68.00 90.70 63.50 104 .30 127.00 99.80 154.20 199.60 163.30... 14.30 18.85 — 18.85 22.02 — 22.02 24.82 — 24.82 G1 Slot width þ0:02p þ 0 :100 À0 þ0:02p þ 0 :100 À0 Tolerance on A, E G, G1 FLEXIBLE MACHINE ELEMENTS Source: IS 107 2, 1967 Distance between flanges, L, min 9.12 10. 80 14.20 19.28 10. 29 12.22 16.03 21.74 16.69 19.96 26.54 36.37 26.75 35.71 Chain number 0822 0823 0834 0846 102 2 102 8 103 4 104 6 1222 1223 1234 1246 1623 1634 TABLE 21-63 Dimensions (in mm) for leaf... 110 125 140 155 165 175 185 195 200 205 210 215 215 220 220 220 210 195 175 150 125 100 76.20 FLEXIBLE MACHINE ELEMENTS 21.90 Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of Use as given at the website FLEXIBLE MACHINE ELEMENTS FLEXIBLE MACHINE ELEMENTS Particular... 31.75 38 .10 38 .10 50.80 50.80 63.50 63.50 76.20 76.20 88.90 101 .60 Pitch, P, mm 7.92 8.51 10. 16 10. 16 11.91 12.07 15.88 15.88 19.05 19.05 22.23 25.40 27.94 29.21 7.95 7.75 9.53 9.65 12.70 11.68 15.88 17.02 19.05 19.56 25.40 25.40 30.99 30.99 3.96 4.45 5.08 5.08 5.94 5.72 7.92 8.28 9.53 10. 19 11 .10 14.63 15.90 17.81 Bearing in diameter max, Dp , mm 4.01 4.50 5.13 5.13 5.99 5.77 7.97 8.33 9.58 10. 24 11.15... subject to the Terms of Use as given at the website 0822 0823 0834 0846 102 2 102 3 103 4 104 6 1222 1223 1234 1246 1623 1634 1646 2023 2034 2046 2423 2434 2446 2823 2834 2846 3223 3234 3246 Source: IS 107 2, 1967 12.70 12.70 12.70 12.70 15.88 15.88 15.88 15.88 19.05 19.05 19.05 19.05 25.40 25.40 25.40 31.75 31.75 31.75 38 .10 38 .10 38 .10 44.45 44.45 44.45 50.80 50.80 50.80 Chain number Outside flange thickness,... diameter 401 2 40 391 2 39 38 381 2 371 2 37 361 2 36 351 2 35 34 341 2 331 2 33 321 2 32 311 2 31 30 301 2 291 2 29 12.9045 12.7455 12.5865 12.4275 12 .109 5 12.2685 11.9506 11.7916 11.6327 11.4737 11.3148 11.1558 10. 8380 10. 9969 10. 6790 10. 5201 10. 3612 10. 2023 10. 0434 9.8845 9.5668 9.7256 9.4080 9.2491 No of teeth, Pitch circle z diameter TABLE 21-59 Pitch circle diametersa for extended pitch transmission... ) Nm kgf-m kN kgf 3.1 4.4 6.0 7.9 10. 0 11.1 12.3 14.9 19.3 24.2 31.6 39.9 49.2 59.6 71.0 83.3 96.6 110. 9 134.2 159.7 187.4 217.4 314 452 616 804 101 8 1134 1257 1521 1964 2463 3217 4072 5027 6082 7238 8495 9852 11 310 13685 16286 19114 22167 3.1 4.4 6.0 7.9 10. 0 11.1 12.3 14.9 19.3 24.2 31.6 39.9 49.3 59.6 71.0 83.3 96.6 110. 9 134.2 153.7 187.4 217.4 314 452 616 804 101 8 1134 1257 1521 1964 2463 3217 . 10. 0 93.2 9.5 1304.3 133000 124 Â28 124  25 2 .10 996 103 .0 10. 5 98.1 10. 0 1367.0 139400 127 Â28 127  25 2.15 104 5 107 .9 11.0 103 .0 10. 5 1439.6 146300 130 Â29 130  26 2.20 2094 112.8 11.5 106 .9. 7.45 102 7.7 104 800 44 65.1 6.64 905.2 92300 60.1 6.13 806.1 82200 69.5 7.09 981.6 100 100 86.3 8.80 1203.3 122700 48 78.0 7.95 108 4.6 1106 00 73.3 7.47 982.6 100 200 83.9 8.55 1183.7 120700 101 .0 10. 30. 7.4 101 4.0 103 400 122 Â22 122  20 2 .10 775 79.4 8.1 76.5 7.8 106 4.0 108 500 125 Â22 125  20 2.15 812 83.4 8.5 79.4 8.1 1116.0 113800 128 Â23 128  21 2.20 851 87.3 8.9 83.4 8.5 1168.0 11 9100 6