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A gearbox is needed to provide an exact increase in speed, while minimizing the overall gearbox size. The input and output shafts should be in-line. Specify appropriate teeth numbers. The gearbox is required to transmit 18 kW from a shaft rotating at 2650 rpm. The desired output speed is exactly 13250 rpm. For space limitation and standardization reasons a double step-up gearbox is requested. Using the limited selection of gears presented in Tables 6.7 to 6.10, select suitable gears for the gears and pinions

A gearbox is needed to provide an exact increase in speed, while minimizing the overall gearbox size. The input and output shafts should be in-line. Specify appropriate teeth numbers. The gearbox is required to transmit 18 kW from a shaft rotating at 2650 rpm. The desired output speed is exactly 13250 rpm. For space limitation and standardization reasons a double step-up gearbox is requested. Using the limited selection of gears presented in Tables 6.7 to 6.10, select suitable gears for the gears and pinions

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A gearbox is needed to provide an exact increase in speed, while minimizing the overall gearbox size. The input and output shafts should be in-line. Specify appropriate teeth numbers. The gearbox is required to transmit 18 kW from a shaft rotating at 2650 rpm. The desired output speed is exactly 13250 rpm. For space limitation and standardization reasons a double step-up gearbox is requested. Using the limited selection of gears presented in Tables 6.7 to 6.10, select suitable gears for the gears and pinions 24 2650 rpm Table 6.7 Spur gears: 1.0 module, heavy duty steel 817M40, 655M13, face width 15 mm Outer Boss Bore Part PCD diameter diameter diameter number Teeth (mm) (mm) (mm) (mm) SG1.9 9 SG1-10 10 SG1-11 11 SG1-12 12 10:00 12:00 12 11.00 13.00 13 12.00 14.00 14 12.00 14.00 14 SG1-13 13 1300 15.00 15 6 SG1-14 14 1400 16.00 16 6 15.00 17.00 SG1-15 15 6 SG1-16 16 16.00 18.00 SG1-17 17 17.00 19.00 18 SG1-18 18 18.00 20.00 18 SG1-19 19 19:00 21.00 SG1-20 20 2000 2200 21.00 2300 2200 24.00 23.00 25.00 2400 2600 SG1-25 25 25.00 27.00 SG1-26 26 26.00 28.00 SG1-27 27 27.00 29.00 SG1-21 21 SG1-22 22 SG1-23 23 SG1-24 24 SG1-28 28 SG1-29 29 SG1-30 30 SG1-31 31 SG1-32 32 SG1-33 33 SG1-34 34 SG1-35 35 SG1-36 36 SG1-37 37 SG1-38 38 SG1-39 39 SG1-40 40 SG1-41 41 SG1-42 42 SG1-43 43 SG1-44 44 SG1-45 45 Part number Teeth SG3-9 9 SG3-10 10 SG3-11 11 SG3-12 12 SG3-13 13 SG3-14 14 SG3-21 21 SG3-22 22 SG3-23 23 SG3-24 24 SG3-25 25 SG3-26 26 SG3-27 27 SG3-28 28 SG3-29 29 SG3-30 30 SG3-31 31 28.00 30.00 29.00 31.00 SG3-32 32 SG3-33 33 SG3-34 34 Table 6.10 Spur gears: 3.0 module, heavy duty steel 817M40, 655M13, face width 35 mm Bore Outer Boss PCD diameter diameter diameter (mm) (mm) (mm) (mm) 3000 3600 33.00 3900 36.00 4200 42 36.00 4200 42 39.00 45.00 42.00 4800 45.00 5100 48.00 54.00 45 51.00 57.00 45 45 45 SG3-15 15 SG3-16 16 SG3-17 17 45 SG3-18 18 54.00 60.00 45 SG3-19 19 SG3-20 20 57.00 6300 45 60.00 6600 60 63.00 69.00 60 66.00 72.00 60 69.00 75.00 60 17 18 40 18 20 20 30.00 32.00 25 25 31.00 33.00 32.00 34.00 25 1200 2500 33.00 35.00 25 3400 36.00 25 35.00 37.00 25 36.00 38.00 30 37.00 39.00 38.00 40.00 39.00 41.00 40.00 42.00 41.00 43.00 30 30 4200 44.00 30 30 43.00 45.00 44.00 46.00 45.00 47.00 30 30 36 39 72.00 78.00 60 75.00 8100 60 78.00 84.00 60 81.00 8700 60 84.00 9000 60 60 9000 9600 60 93.00 99.00 60 87.00 93.00 108.00 11400 111.00 11700 96.00 10200 60 99.00 105.00 60 102.00 10800 75 105.00 11100 75 SG3-35 35 SG3-36 36 SG3-37 37 SG3-38 38 SG3-39 39 SG3-40 SG3-41 41 12000 12600 75 12300 129.00 75 SG3-42 42 126.00 13200 75 SG3-43 43 129.00 135.00 75 SG3-44 44 132.00 138.00 100 75 75 6 6 6 114.00 12000 75 117.00 12300 75 15 15 15 20 20 20 20 20 20 20 20 25 25 25 25 25 25 25 D 25 25 25 25 25 25 13250 rpm ----- 55.00 57.00 Part PCD number Teeth (mm) SG1-46 46 46.00 SG1-47 47 47,00 SG1-48 48 48.00 SG1-49 49 49.00 SG1-50 50 50.00 SG1-51 51 51.00 SG1-52 52 52.00 54.00 35 SG1-53 53 53.00 55.00 35 SG1-54 54 $4.00 56.00 35 SG1-55 55 35 SG1-56 56 56.00 58.00 35 SG1-57 57 57.00 59.00 35 SG1-58 58 58.00 60.00 35 SG1-59 59 59.00 61.00 35 SG1-60 60 60.00 SG1-61 61 61.00 SG1-62 62 62.00 SG1-63 63 63.00 SG1-64 64 64.00 SG1-45 65 6500 SG1-66 66 66.00 SG1-48 68 68.00 70.00 35 SG1-70 70 70.00 72.00 35 SG1-72 72 72.00 74.00 35 SG1-74 74 74,00 76.00 45 SG1-76 76 76.00 78.00 45 SG1-78 78 78.00 8000 45 SG1-80 80 80.00 82.00 45 SG1-84 84 84.00 86.00 45 SG1-88 88 88.00 90.00 45 SG1-90 90 90.00 92.00 45 SG1-96 96 96.00 98.00 45 SG1-100 100 100.00 102.00 45 SG1-112 112 SG1-120 120 120.00 122.00 45 SG1-130 130 13000 132.00 45 SG1-150 150 15000 152.00 45 67.00 35 68.00 35 112.00 114.00 45 Outer Boss Bore diameter diameter diameter (mm) (mm) (mm) CamScanner 48.00 30 49.00 30 50.00 30 $1.00 30 52.00 35 53.00 35 62.00 35 63.00 35 64.00 35 65.00 66.00 35 100 SG3-45 45 135.00 141.00 100 SG3-46 46 13800 14400 SG3-47 47 141.00 147.00 100 SG3-48 48 SG3-49 49 SG3-50 50 SG3-51 51 SG3-52 52 SG3-53 53 SG3-54 54 SG3-55 55 SG3-56 56 SG3-57 57 144.00 150.00 100 147.00 153.00 100 15000 156.00 100 15300 15900 100 156.00 16200 100 159.00 165.00 100 162.00 168.00 100 165.00 171.00 100 16800 17400 100 171.00 177.00 127 SG3-58 58 127 127 127 17400 18000 177.00 18300 SG3-59 59 SG3-60 60 150 150 18000 18600 SG3-62 62 186.00 192.00 SG3-63 63 189.00 195.00 SG3-64 64 19200 198.00 SG3-65 65 195.00 201.00 SG3-68 68 204.00 210.00 SG3-70 70 21000 216.00 SG3-72 72 216.00 222.00 SG3-75 75 2 225.00 231.00 SG3-76 76 228.00 234.00 m SG3-78 78 234.00 240.00 150 SG3-80 80 24000 24600 150 SG3-82 82 246.00 252.00 150 SG3-84 84 252.00 258.00 150 SG3-86 86 258.00 264.00 150 SG390 90 270.00 276.00 150 SG3.92 92 276.00 282.00 150 SG394 94 282.00 288.00 150 SG3-95 95 285.00 291.00 150 SG3.96 96 288.00 294.00 150 150 8 127 127 127 127 127 150 150 8 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Cuter Boss Bore PCD diameter diameter diameter Part number Teeth (mm) (mm) (mm) (mm) 10 10 10 10 10 10 10 10 10 10 10 10 10 10 25 25 25 25 25 25 25 25 25 25 25 30 30 30 10 * 30 30 30 30 30 30 30 30 30 30
Transcribed Image Text:A gearbox is needed to provide an exact increase in speed, while minimizing the overall gearbox size. The input and output shafts should be in-line. Specify appropriate teeth numbers. The gearbox is required to transmit 18 kW from a shaft rotating at 2650 rpm. The desired output speed is exactly 13250 rpm. For space limitation and standardization reasons a double step-up gearbox is requested. Using the limited selection of gears presented in Tables 6.7 to 6.10, select suitable gears for the gears and pinions 24 2650 rpm Table 6.7 Spur gears: 1.0 module, heavy duty steel 817M40, 655M13, face width 15 mm Outer Boss Bore Part PCD diameter diameter diameter number Teeth (mm) (mm) (mm) (mm) SG1.9 9 SG1-10 10 SG1-11 11 SG1-12 12 10:00 12:00 12 11.00 13.00 13 12.00 14.00 14 12.00 14.00 14 SG1-13 13 1300 15.00 15 6 SG1-14 14 1400 16.00 16 6 15.00 17.00 SG1-15 15 6 SG1-16 16 16.00 18.00 SG1-17 17 17.00 19.00 18 SG1-18 18 18.00 20.00 18 SG1-19 19 19:00 21.00 SG1-20 20 2000 2200 21.00 2300 2200 24.00 23.00 25.00 2400 2600 SG1-25 25 25.00 27.00 SG1-26 26 26.00 28.00 SG1-27 27 27.00 29.00 SG1-21 21 SG1-22 22 SG1-23 23 SG1-24 24 SG1-28 28 SG1-29 29 SG1-30 30 SG1-31 31 SG1-32 32 SG1-33 33 SG1-34 34 SG1-35 35 SG1-36 36 SG1-37 37 SG1-38 38 SG1-39 39 SG1-40 40 SG1-41 41 SG1-42 42 SG1-43 43 SG1-44 44 SG1-45 45 Part number Teeth SG3-9 9 SG3-10 10 SG3-11 11 SG3-12 12 SG3-13 13 SG3-14 14 SG3-21 21 SG3-22 22 SG3-23 23 SG3-24 24 SG3-25 25 SG3-26 26 SG3-27 27 SG3-28 28 SG3-29 29 SG3-30 30 SG3-31 31 28.00 30.00 29.00 31.00 SG3-32 32 SG3-33 33 SG3-34 34 Table 6.10 Spur gears: 3.0 module, heavy duty steel 817M40, 655M13, face width 35 mm Bore Outer Boss PCD diameter diameter diameter (mm) (mm) (mm) (mm) 3000 3600 33.00 3900 36.00 4200 42 36.00 4200 42 39.00 45.00 42.00 4800 45.00 5100 48.00 54.00 45 51.00 57.00 45 45 45 SG3-15 15 SG3-16 16 SG3-17 17 45 SG3-18 18 54.00 60.00 45 SG3-19 19 SG3-20 20 57.00 6300 45 60.00 6600 60 63.00 69.00 60 66.00 72.00 60 69.00 75.00 60 17 18 40 18 20 20 30.00 32.00 25 25 31.00 33.00 32.00 34.00 25 1200 2500 33.00 35.00 25 3400 36.00 25 35.00 37.00 25 36.00 38.00 30 37.00 39.00 38.00 40.00 39.00 41.00 40.00 42.00 41.00 43.00 30 30 4200 44.00 30 30 43.00 45.00 44.00 46.00 45.00 47.00 30 30 36 39 72.00 78.00 60 75.00 8100 60 78.00 84.00 60 81.00 8700 60 84.00 9000 60 60 9000 9600 60 93.00 99.00 60 87.00 93.00 108.00 11400 111.00 11700 96.00 10200 60 99.00 105.00 60 102.00 10800 75 105.00 11100 75 SG3-35 35 SG3-36 36 SG3-37 37 SG3-38 38 SG3-39 39 SG3-40 SG3-41 41 12000 12600 75 12300 129.00 75 SG3-42 42 126.00 13200 75 SG3-43 43 129.00 135.00 75 SG3-44 44 132.00 138.00 100 75 75 6 6 6 114.00 12000 75 117.00 12300 75 15 15 15 20 20 20 20 20 20 20 20 25 25 25 25 25 25 25 D 25 25 25 25 25 25 13250 rpm ----- 55.00 57.00 Part PCD number Teeth (mm) SG1-46 46 46.00 SG1-47 47 47,00 SG1-48 48 48.00 SG1-49 49 49.00 SG1-50 50 50.00 SG1-51 51 51.00 SG1-52 52 52.00 54.00 35 SG1-53 53 53.00 55.00 35 SG1-54 54 $4.00 56.00 35 SG1-55 55 35 SG1-56 56 56.00 58.00 35 SG1-57 57 57.00 59.00 35 SG1-58 58 58.00 60.00 35 SG1-59 59 59.00 61.00 35 SG1-60 60 60.00 SG1-61 61 61.00 SG1-62 62 62.00 SG1-63 63 63.00 SG1-64 64 64.00 SG1-45 65 6500 SG1-66 66 66.00 SG1-48 68 68.00 70.00 35 SG1-70 70 70.00 72.00 35 SG1-72 72 72.00 74.00 35 SG1-74 74 74,00 76.00 45 SG1-76 76 76.00 78.00 45 SG1-78 78 78.00 8000 45 SG1-80 80 80.00 82.00 45 SG1-84 84 84.00 86.00 45 SG1-88 88 88.00 90.00 45 SG1-90 90 90.00 92.00 45 SG1-96 96 96.00 98.00 45 SG1-100 100 100.00 102.00 45 SG1-112 112 SG1-120 120 120.00 122.00 45 SG1-130 130 13000 132.00 45 SG1-150 150 15000 152.00 45 67.00 35 68.00 35 112.00 114.00 45 Outer Boss Bore diameter diameter diameter (mm) (mm) (mm) CamScanner 48.00 30 49.00 30 50.00 30 $1.00 30 52.00 35 53.00 35 62.00 35 63.00 35 64.00 35 65.00 66.00 35 100 SG3-45 45 135.00 141.00 100 SG3-46 46 13800 14400 SG3-47 47 141.00 147.00 100 SG3-48 48 SG3-49 49 SG3-50 50 SG3-51 51 SG3-52 52 SG3-53 53 SG3-54 54 SG3-55 55 SG3-56 56 SG3-57 57 144.00 150.00 100 147.00 153.00 100 15000 156.00 100 15300 15900 100 156.00 16200 100 159.00 165.00 100 162.00 168.00 100 165.00 171.00 100 16800 17400 100 171.00 177.00 127 SG3-58 58 127 127 127 17400 18000 177.00 18300 SG3-59 59 SG3-60 60 150 150 18000 18600 SG3-62 62 186.00 192.00 SG3-63 63 189.00 195.00 SG3-64 64 19200 198.00 SG3-65 65 195.00 201.00 SG3-68 68 204.00 210.00 SG3-70 70 21000 216.00 SG3-72 72 216.00 222.00 SG3-75 75 2 225.00 231.00 SG3-76 76 228.00 234.00 m SG3-78 78 234.00 240.00 150 SG3-80 80 24000 24600 150 SG3-82 82 246.00 252.00 150 SG3-84 84 252.00 258.00 150 SG3-86 86 258.00 264.00 150 SG390 90 270.00 276.00 150 SG3.92 92 276.00 282.00 150 SG394 94 282.00 288.00 150 SG3-95 95 285.00 291.00 150 SG3.96 96 288.00 294.00 150 150 8 127 127 127 127 127 150 150 8 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Cuter Boss Bore PCD diameter diameter diameter Part number Teeth (mm) (mm) (mm) (mm) 10 10 10 10 10 10 10 10 10 10 10 10 10 10 25 25 25 25 25 25 25 25 25 25 25 30 30 30 10 * 30 30 30 30 30 30 30 30 30 30
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