- Example 8 9 A Gearbox Is Required To Transmit 18 Kw From A Shaft Rotating At 2650 Rpm The Desired Output Speed Is Appro 1 (427.04 KiB) Viewed 32 times
Calculations for gear 2: Y38 = 0.37727, n=5594 rpm. m d (mm) V (m/s) W (N) Ky F(m) 2.0 76 22.26 808.6 0.215 0.0144 Note: m= 2 gives value for face width lower than catalog specification, so the design is OK. Calculations for pinion 2: Y18 = 0.29327, n=11,810 rpm. т d (mm) V (m/s) W+ (N) K, 2.0 36 22.26 808.6 0.215 0.0186 F(m)
Example spur gears. 1.0 module. Heavy duty steel 817M40, 655M13. Face width 15 mm. Example spur gears. 1.0 module. Heavy duty steel 817M40, 655M13. Face width 15 mm. contd Bore diameter (mm) Boss diameter (mm) 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Part number SG1-9 SG1-10 SG1-11 SG1-12 SG1-13 SG1-14 SG1-15 SG1-16 SG1-17 SG1-18 SG1-19 SG1-20 SG1-21 SG1-22 SG1-23 SG1-24 SG1-25 SG1-26 SG1-27 SG1-28 SG1-29 SG1-30 SG1-31 SG1-32 SG1-33 SG1-34 SG1-3 SG1-36 SG1-37 SG1-38 SG1-39 SG1-40 SG1-41 SG1-42 SG1-43 SG1-44 SG1-45 SG1-46 SG1-47 SG1-48 SG1-49 SG1-50 SG1.51 SG1-52 SG1-53 SG1-54 Teeth 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 PCD (mm) 10.00 11.00 12.00 12.00 13.00 14.00 15.00 16.00 17.00 18.00 19.00 20.00 21.00 22.00 23.00 24.00 25.00 26.00 27.00 28.00 29.00 30.00 31.00 32.00 33.00 34.00 35.00 36.00 37.00 38.00 39.00 40.00 41.00 42.00 43.00 44.00 45.00 46.00 47.00 48.00 49.00 50.00 51.00 52.00 53.00 54.00 35 35 35 35 35 35 35 35 35 35 35 35 35 35 Outer diameter (mm) 12.00 13.00 14.00 14.00 15.00 16.00 17.00 18.00 19.00 20.00 21.00 22.00 23.00 24.00 25.00 26.00 27.00 28.00 29.00 30.00 31.00 32.00 33.00 34.00 35.00 36.00 37.00 38.00 39.00 40.00 41.00 42.00 43.00 44.00 45.00 46.00 47.00 48.00 49.00 50.00 51.00 52.00 53.00 54.00 55.00 56.00 Part number SG1-55 SG1-56 SG1-57 SG1-58 SG1-59 SG1-60 SG1-61 SG1-62 SG1-63 SG1-64 SG1-65 SG1-66 SG1-68 SG1-70 SG1-72 SG1-74 SG1-76 SG1-78 SG1-80 SG1-84 SG1-88 SG1-90 SG1-96 SG1-100 SG1-112 SG1-120 SG1-130 SG1-150 Boss diameter (mm) ) 12 13 14 14 15 16 17 18 18 18 18 20 20 20 20 20 20 25 25 25 25 25 25 25 25 25 25 30 30 30 30 30 30 30 30 30 30 30 30 30 30 35 35 35 35 35 Teeth 55 56 57 58 59 60 61 62 63 64 65 66 68 70 72 74 76 78 80 84 88 90 96 100 112 120 130 150 35 PCD (mm) 55.00 56.00 57.00 58.00 59.00 60.00 61.00 62.00 63.00 64.00 65.00 66.00 68.00 70.00 72.00 74.00 76.00 78.00 80.00 84.00 88.00 90.00 96.00 100.00 112.00 120.00 130.00 150.00 Outer diameter (mm) 57.00 58.00 59.00 60.00 61.00 62.00 63.00 64.00 65.00 66.00 67.00 68.00 70.00 72.00 74.00 76.00 78.00 80.00 82.00 86.00 90.00 92.00 98.00 102.00 114.00 122.00 132.00 152.00 Bore diameter (mm) 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 45 45 45 45 45 45 45 45 45 45 45 45 45 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 10 10 10 10 10 Continued
Example spur gears. 1.5 module. Heavy duty steel 817M40, 655M13. Face width 20 mm. Teeth Bore diameter (mm) Example spur gears. 1.5 module. Heavy duty steel 817M40, 655M13. Face width 20 mm. cont'd 8 9 10 11 12 Outer Teeth Boss diameter (mm) Part number SG1.5.9 SG1.5.10 SG1.5-11 SG1.5.12 SG1.5-13 SG1.5-14 SG1.5-15 SG1.5-16 SG1.5-17 SG1.5-18 SG1.5-19 SG1.5.20 SG1.5-21 SG1.5-22 SG1.5-23 SG1.5-24 SG1.5-25 SG1.5-26 SG1.5-27 SG1.5-28 SG1.5.29 SG1.5-30 SG1.5:31 SG1.5-32 SG1.5-33 SG1.5-34 SG1.5-35 SG1.5-36 SG1.5-37 SG1.5-38 SG1.5-39 SG1.5-40 SG1.5-41 SG1.5-42 SG1.5-43 SG1.5.44 SG1.5 45 SG1.5-46 SG1.5-47 SG1.5-48 SG1.5-49 SG1.5-50 SG1.5-51 SG1.5-52 SG1.5-53 SG1.5-54 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 PCD (mm) 15.00 16.50 18.00 18.00 19.50 21.00 22.50 24.00 25.50 27.00 28.50 30.00 31.50 33.00 34.50 36.00 37.50 39.00 40.50 42.00 43.50 45.00 46.50 48.00 49.50 51.00 52.50 54.00 55.50 57.00 58.50 60.00 61.50 63.00 64.50 66.00 67.50 69.00 70.50 72.00 73.50 75.00 76.50 78.00 79.50 81.00 Outer diameter (mm) 18.00 19.50 21.00 21.00 22.50 24.00 25.50 27.00 28.50 30.00 31.50 33.00 34.50 36.00 37.50 39.00 40.50 42.00 43.50 45.00 46.50 48.00 49.50 51.00 52.50 54.00 55.50 57.00 58.50 60.00 61.50 63.00 64.50 66.00 67.50 69.00 70.50 72.00 73.50 75.00 76.50 78.00 79.50 81.00 82.50 84.00 Boss diameter (mm) ) 18 19.5 21 21 20 20 20 25 25 25 25 25 25 30 30 30 30 30 30 30 30 30 30 30 30 30 50 50 50 50 50 SO 50 50 50 50 50 50 50 SO 50 50 50 50 60 60 8 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 Part number SG1.5-55 SG1.5-56 SG1.5-57 SG1.5-58 SG1.5-59 SG1.5-60 SG1.5-62 SG1.5-64 SG1.5-65 SG1.5-66 SG1.5-68 SG1.5-70 SG1.5-71 SG1.5-72 SG1.5-73 SG1.5-74 SG1.5-75 SG1.5-76 SG1.5-78 SG1.5-80 SG1.5-86 SG1.5-90 SG1.5-96 SG1.5-98 SG1.5-100 SG1.5-105 SG1.5-110 SG1.5-115 SG1.5-120 55 56 57 58 59 60 62 64 65 66 68 70 71 72 73 74 75 76 78 80 86 90 96 98 100 105 110 115 120 PCD (mm) 82.50 84.00 85.50 87.00 88.50 90.00 93.00 96.00 97.50 99.00 102.00 105.00 106.50 108.00 109.50 111.00 112.50 114.00 117.00 120.00 129.00 135.00 144.00 147.00 150.00 157.50 165.00 175.50 180.00 diameter (mm) ) 85.50 87.00 88.50 90.00 91.50 93.00 96.00 99.00 100.50 102.00 105.00 108.00 109.50 111.00 112.50 114.00 115.50 117.00 120.00 123.00 132.00 138.00 147.00 150.00 153.00 160.50 168.00 178.50 183.00 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 75 75 75 75 75 75 75 75 75 75 75 Bore diameter (mm) ) 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15
Example spur gears. 2.0 module. Heavy duty steel 817M40, 655M13. Face width 25 mm. Example spur gears. 2.0 module. Heavy duty steel 817M40, 655M13. Face width 25 mm. cont'd Bore diameter (mm) Teeth Teeth Bore diameter (mm) Part number SG2-9 SG2-10 SG2-11 SG2-12 SG2-13 SG2-14 SG2-15 SG2-16 SG2-17 SG2-18 SG2-19 SG2-20 SG2-21 SG2-22 SG2-23 SG2-24 SG2-25 SG2-26 SG2-27 SG2-28 SG2-29 SG2-30 SG2-31 SG2-32 SG2 33 SG2-34 SG2-35 SG2-36 SC2 37 SG2-38 SG2-39 SG2-40 SG2-41 SG2-42 SG2-43 SG2-44 SG2-45 SG2-46 SG2-47 SG2-48 SG2-49 SG2-50 SG2-51 SG2 52 SG2-53 SG2-54 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 PCD (mm) 20.00 22.00 24.00 24.00 26.00 28.00 30.00 32.00 34.00 36.00 38.00 40.00 42.00 44.00 46.00 48.00 50.00 52.00 54.00 56.00 58.00 60.00 62.00 64.00 66.00 68.00 70.00 72.00 74.00 76.00 78.00 80.00 82.00 84.00 86.00 88.00 90.00 92.00 94.00 96.00 98.00 100.00 102.00 104.00 106.00 108.00 Outer diameter (mm) 24.00 26.00 28.00 28.00 30.00 32.00 34.00 36.00 38.00 40.00 42.00 44.00 46.00 48.00 50.00 52.00 54.00 56.00 58.00 60.00 62.00 64.00 66.00 68.00 70.00 72.00 74.00 76.00 78.00 80.00 82.00 84.00 86.00 88.00 90.00 92.00 94.00 96.00 98.00 100.00 102.00 104.00 106.00 108.00 110.00 112.00 Boss diameter (mm) 24 26 28 28 30 30 30 30 35 35 35 35 35 35 35 35 35 35 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 60 60 60 60 60 60 60 60 60 60 60 60 12 12 12 12 12 12 12 12 15 15 15 15 15 15 15 15 15 15 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 Part number SG2-55 SG2-56 SG2-57 SG2-58 SG2-59 SG2-60 SG2-62 SG2-64 SG2-65 SG2-66 SG2-68 SG2-70 SG2-71 SG2-72 SG2-73 SG2-74 SG2-75 SG2-76 SG2-78 SG2-80 SG2-86 SG2-90 SG2-96 SG2-98 SG2-100 SG2-105 SG2-110 SG2-115 SG2-120 55 56 57 58 59 60 62 64 65 66 68 70 71 72 73 74 75 76 78 80 86 90 96 98 100 105 110 115 120 PCD (mm) 110.00 112.00 114.00 116.00 118.00 120.00 124.00 128.00 130.00 132.00 136.00 140.00 142.00 144.00 146.00 148.00 150.00 152.00 156.00 160.00 172.00 180.00 192.00 196.00 200.00 210.00 220.00 230.00 240.00 Outer diameter (mm) 114.00 116.00 118.00 120.00 122.00 124.00 128.00 132.00 134.00 136.00 140.00 144.00 146.00 148.00 150.00 152.00 154.00 156.00 160.00 164.00 176.00 184.00 196.00 200.00 204.00 214.00 224.00 234.00 244.00 Boss diameter (mm) 60 60 60 60 60 60 75 75 75 75 75 75 75 75 75 75 75 75 100 100 100 100 100 100 100 100 100 100 100 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 Continued
Example spur gears. 3.0 module. Heavy duty steel 817M40, 655M13. Face width 35 mm. Example spur gears. 3.0 module. Heavy duty steel 817M40, 655M13. Face width 35 mm. cont'd Bore diameter (mm) Teeth Outer diameter (mm) 36.00 39.00 42.00 42.00 45.00 48.00 51.00 54.00 Part number SG3-9 SG3-10 SG3-11 SG3-12 SC3-13 SG3-14 SG3-15 SC3-16 SG3-17 SG3-18 SG3-19 SG3-20 SG3-21 SG3-22 SG3-23 SC3-24 SG3-25 SG3-26 SC3 27 SG3-28 SG3-29 SG3-30 SG3-31 SG3-32 SG3-33 SG3-34 SG3-35 SG3-36 SG3-37 SC3-38 SG3-39 SC3 40 SC3-41 SG3-42 SG3-43 SG3-44 SG3-45 SG3-46 SG3-47 SG3-48 SG3-49 SG3-50 SG3-51 SG3-52 SG3-53 SG3-54 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 PCD (mm) 30.00 33.00 36.00 36.00 39.00 42.00 45.00 48.00 51.00 54.00 57.00 60.00 63.00 66.00 69.00 72.00 75.00 78.00 81.00 84.00 87.00 90.00 93.00 96.00 99.00 102.00 105.00 108.00 111.00 114.00 117.00 120.00 123.00 126.00 129.00 132.00 135.00 138.00 141.00 144.00 147.00 150.00 153.00 156.00 159.00 162.00 Boss diameter (mm) 36 39 42 42 45 45 45 45 45 45 45 60 60 60 60 60 60 60 60 60 60 60 60 60 60 75 75 75 75 75 75 75 75 75 75 100 100 100 100 100 100 100 100 100 100 100 57.00 60.00 63.00 66.00 69.00 72.00 75.00 78.00 81.00 84.00 87.00 90.00 93.00 96.00 99.00 102.00 105.00 108.00 111.00 114.00 117.00 120.00 123.00 126.00 129.00 132.00 135.00 138.00 141.00 144.00 147.00 150.00 153.00 156.00 159.00 162.00 165.00 168.00 15 15 15 20 20 20 20 20 20 20 20 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 Outer Boss Bore Part number Teeth PCD (mm) diameter (mm) diameter (mm) diameter (mm) () SG3-55 55 165.00 171.00 100 25 SG3-56 56 168.00 174.00 100 25 SG3-57 57 171.00 177.00 127 25 SG3-58 58 174.00 180.00 127 25 SG3-59 59 177.00 183.00 127 25 SG3-60 60 180.00 186.00 127 25 SG3-62 62 186.00 192.00 127 25 SG3-63 63 189.00 195.00 127 25 SG3-64 64 192.00 198.00 127 25 SG3-65 65 195.00 201.00 127 25 SG3-68 68 204.00 210.00 127 25 SG3-70 70 210.00 216.00 150 30 SG3-72 72 216.00 222.00 150 30 SG3-75 75 225.00 231.00 150 30 SG3-76 76 228.00 234.00 150 30 SG3-78 78 234.00 240.00 150 30 SG3-80 80 240.00 246.00 150 30 SG3-82 82 246.00 252.00 150 30 SG3-84 84 252.00 258.00 150 30 SC3-86 86 258.00 264.00 150 30 SG3-90 90 270.00 276.00 150 30 SG3-92 276.00 282.00 150 30 SG3-94 94 282.00 288.00 150 30 SG3-95 95 285.00 291.00 150 30 SG3-96 96 288.00 294.00 150 30 Source: Dute adapted from HPC Gears Ltd. PCD - pitch circle diameter, OD-outer diameter. , Permissible bending stresses for various commonly used gear materials. Permissible bending Material Treatment us (MPa) stress o, (MPa) Nylon 65 (20 °C) 27 Tufnol 110 31 OBOM40 540 131 080M40 Induction hardened 540 117 817M40 772 221 817M40 Induction hardened 772 183 045M10 494 117 045M10 Case hardened 494 276 655M13 Case hardened 849 345 92 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 50 51 52 53 54 Continued