- Using The Tables In The Conveyor Handouts And Given The Following Conditions 36 Belt Carrying Gravel Weighing 160 Lb 1 (1.51 MiB) Viewed 37 times
- Using The Tables In The Conveyor Handouts And Given The Following Conditions 36 Belt Carrying Gravel Weighing 160 Lb 2 (106.02 KiB) Viewed 37 times
- Using The Tables In The Conveyor Handouts And Given The Following Conditions 36 Belt Carrying Gravel Weighing 160 Lb 3 (103.89 KiB) Viewed 37 times
- Using The Tables In The Conveyor Handouts And Given The Following Conditions 36 Belt Carrying Gravel Weighing 160 Lb 4 (143.35 KiB) Viewed 37 times
TABLE 11-2 Carrying capacities of troughed conveyor belts, in tons per hour, for a speed of 100 fpm Max lumps Weight of material. lb cu ft) Width I'n- of belt Sized sized (in.) (in.) (in.) 30 50 90) 100 125 150 180 200 14 2 21 9 15 28 31 46 49) 16 21 3 13 21 38 42 52 6.3 67 18 3 4 16 27 48 54 81 86 107 20 31 5 20) 3.3 60) (17 67 100 107 120 1.33 24 4' 8 30 50) 440) 100 125 150 160 180 200 30 7 14 47 79 142 158 197 236 252 284 315 36 () 18 70 117 210 234 292 351 374 421 467 42 11 20 100 167 300 333 417 500 534 600.667 420 48 H 24 138 230 414 460 -5.75 -- ---690 730 828 5-4 15 28 1,070 1.190 178 297 222 369 534 593 741 890 9.48 064 738 929 1.110 1.180 60 16 30 1.330 1480 Courtesy Hewitt Robins TABLE 11-3 Maximum speeds, fpm, of conveyor belts Width of belt (in.) Kind and condition of material handled 14 16 18 20 24 30 36 42 48 54 60 Unsized coal. gravel. Stone, ashes. ore, or similar material 300 300 350 350 400 450 500 550 600 600 600 Sized coal, coke, or other breakable material 250 250 250 300 300 350 350 408) 48K) 400 400 Wet or dry sand 4(M) 4(X) 541 GENI 600 700 SOX SUO SHO SOO X00 Crushed enke, crushed slag, or ather line abrasive material 250 250 300 4K) 400 500 500 500 500 5IKI 500 Large lumpe, inck. slag, or other large abrasive material (50 350 4000 408) 400 400 40X3 test Hot Robar. . 160 56 75 97 62 8.3
TABLE 11-8 Horsepower required to move empty conveyor belts for a speed of 100 fpm Length Width of belt of con- (in.) veyor 14 16 18 (1) 20 24 30 36 42 48 60 54 0.05 0.06 0.07 0,08 ().11 0.14 0.18 0.25 0.35 0.54 0.63 0.13 0.15 0.17 0.23 0.36 0.51 0,70 1.14 1.25 0.42 0.53 1.05 1.71 1.88 0.22 0.25 00.34 0.76 (0.30 0.33 0.45 0.56 (0.71 1.01 1.40 2.28 2.50 1.27 1.75 2.85 3.13 (1.37 0.45 1.07 1.52 2.10 3,42 3.76 0.60 0.42 0.56 (0).70 (1,89 0.50 0,68 0.84 0.66 0.90 1.12 1.40 1.35 1.68 1.43 2.03 2.80 4.56 5.01 1.79 2.53 3.50 5.70 0.83 1.13 1.00 6.26 2.14 4.20 6.84 7.51 1.80 2.25 2.86 4.05 5.60 9.12 10.00 2.26 2.81 3.57 5.07 7.00 11.40 12.50 3.37 4.29 6.08 8.40 13.70 15.00 3.93 5.00 7.09 9.80 16.00 17.50 4.49 5.72 8.10 11.20 18.30 20.10 5.05 6.43 9.12 12.60 20.50 22.60 5.62 7.15 10.10 14.00 22.80 24.90 7.86 11.10 15.40 25.10 27.60 8.58 12.20 16.80 27.40 30.10 9.29 13.20 18.20 29.60 32.60 10.00 14.20 19.60 31.90 35.00 10,70 15.201 21.00 34.20 37.60 SI [10) 0.11 150 0.16 0.19 2001 00.22 0.25 250 300 (1.27 0.32 0.33 0.38 4003 500 ((M) 800 1,(MM) 1.200 1,400 1.600 1,800 2.000 2.200 2.400 2,600 2.800 3,000 Counesy Hewitt-Robins. |||||||||| ||||||||||||| 1111|11||||| | || | || | || | || | | | | | | | || | | | | |
TABLE 11-9 Horsepower required to move loads horizontally on conveyor belts Load Length (fons/bri of con veyor (ft) 600 800 500 400 250 350 300 150 100 200 50 0.55 0.64 0.46 0.71 1.1 0,91 1.3 (), 36 1.6 1.5 SO ().IX 0.27 1.5 2.2 1.8 2.6 2.9 3.3 0.91 (1.74 IDH 0.18 0.36 0.55 ?? 1.6. 2.7 1.99 1.4 3.3 3.8 4.4 4.9 1.1 0.82 150 0.27 0.55 ?? 2.6 2.9 3.6 1.8 4.4 5.1 5.8 2001 01.36 0.73 1.1 1.5 77 2.3 3.2 2.7 3.6 4.6 5.5 6.4 7.3 82 2500 01.91 1.4 (1.46 1.8 22 27 3.8 3.3 4.4 5.5 7.7 6.6 X.X 9.9 2.2 2.7 3000) 0.55 1.1 1.6 MOON 20 76 5.8 4.4 7.3 5.1 8.7 10.2 11.6 13.1 2.2 4001 2.9 01.73 3.6 L P D 27 S 4.6 7.3 3.6 6.4 5.5 9.1 2.7 10.9 12.7 14.5 0.91 1.8 16.4 500 72 63 3.2 5.3 7.4 6.4 2.1 4.2 8.5 10.6 12.7 1.10 19.1 6000) 17.0 14.8 20 US 4.1 8.2 2.7 8081 6.8 1.401 5.5 9.5 13.7 19.1 10.8 22.0) 25.0 16.4 V 6.7 5,0) 8.3 1.(XX1 1.70 10.01 11.7 13.3 16.7 20.0 23.0 27.0 30.0 www 30 20 30 00 1,200 2.01 3.9 5.9 7.9 9.8 11.8 13.8 15.7 19.8 24.0) 28.0 32.0 36.0 20 Ne 1.400 2.3 4.5 6.8 9.1 11.4 13.7 15.9 18.1 23.0 27.0 32.0 36.0 41.0 S 1.6(X) 2.6 5.2 7.7 10.3 12.9 15.5 18 21 26 31 36 41 46 20 VT *** in 12 100 1,800 2.9 5.8 8.7 11.5 14.4 17.3 20 23 28 35 40 46 52 .. M 132 ico 32 75 45 2.(XX) 3.2 6.4 9.6 12.7 15.9 19.1 22 25 32 38 45 51 57 25 inc 24 30 CL 2,2(K) 3.5 7.00 10.5 13.9 17.4 21.0) 24 28 35 42 49 56 6.3 37 2,400 3.9 7.6 11.4 15.2 18.9 23.0 27 30 38 46 53 61 68 12.3 20,0 25.0 29 33 41 49 57 65 74 2.600) 4.1 8.2 2,8(X) 4.4 8.8 3,00X1 4.7 9,4 14.1 16.4 13.2 17.6 22.0 26.0 31 3.5 44 53 62 70 79 18.8 23.0 28.0 33 37 47 56 66 75 85 Courtesy Hewitt-Robins. TABLE 11-10 Horsepower required to lift a load Load Net (tons/hr) lift (1) 50 100 150 200 250 350 800 1,000 S 0.5 0.8 1.0) 1.3 1.5 1.8 2.0 2.5 3.11 4.11. 5.1 111 0.5 1.0 1.5 2.0) 2.5 3.0 3.5 4,0) 5.B 6.1 8.1 10.0 15 11,8 1.5 2.3 3,0 3.8 4.5 5.3 6.1. 7.0 9.1 12.0 15.0 20 20 141 L.IT 2.0 4,0 5.1 6.1 7.1 8.1 10.0 12.0 16.0 20.0 13 20 25 1.3- 2.5 3.8 5.1 6.3. 7.6 8.8 10.0 www 13.0 15.0 KA 20,0 Sw www wwww 25.0 iz 30 1.5 3.0 4.3 6.1 7.6 9.1 11.0 12.0 15.0 18.0 TEAT 201 24.0 16.0 30.0 1000 40 2.00 4.01 6.1 8.1 10.0 12.0 14.0 16.0 20.0 10:0 24.0 32.0 12.1 41000 501 2.5 5.1 7,6 10.0) 13.0 15.0 18.0 20.0 25.0 20.0 www 30.0 40.00 51.0 76 3040 40,0 75 3.X 76 11.0) 15.0 19.0 61.0 76.0 100 5.1 25.0 20.0 23.0 27.0 30.0 38.0 45.0 200 25.0 30.0 35.0 22.0 44.0 *** 40.0 51.0 61.0 81.0 101 150 100 10.0 15.0 125 6.3 13.0 19.0 25.0 32.0 38.0 150 7.6 15.0 23.0 30.0 38.0 45.0 PRO 51.0 63.0 76.0 101 126 53.0 61.0 .0 76.0 91.0 121 152 200 10.0 20.0 30.0 40.0 51.0 61.0 71.0 81.0 101 162 202 300 15.0 30.0 45.0 61.0 76.0 76.0 91.0 152 242 303 400 20.0 40.0 61.0 81.0 500 25.0 202 323 $1.0 404 76.0 101 252 404 505 Courtesy Hewitt-Robins. 101 101 126 300 121 151 106 141 177 400 121 162 202 500 700 600 121 185 242 303 M 900 1,000 1.8 3.6 3.5 7.3 9.1 10.9 14.6 18.2 21.0 27.01 33.0 39.0 45.0 52 58 6.1 64. 70 76 82 88 94