Y $ = 20° $ = 20° 0.8 m b = m a = m N, Number of teeth b = 1.25 m 12 0.33512 0.22960 13 0.34827 0.24317 0.25530 0.26622 14 0.35985 15 0.37013 16 0.37931 0.27610 17 0.38757 0.28508 18 0.39502 0.29327...

Select suitable gears for the gear wheels and pinion's for a gearbox  required to transmit 17.75 kW from a shaft rotating at 2550rpm. The desired output speed is approximately 11925 rpm. For space limitation and standardization reasons, a double step-up gearbox is requested with equal ratios.Use the material '817M40'

Extracted text: Y $ = 20° $ = 20° 0.8 m b = m a = m N, Number of teeth b = 1.25 m 12 0.33512 0.22960 13 0.34827 0.24317 0.25530 0.26622 14 0.35985 15 0.37013 16 0.37931 0.27610 17 0.38757 0.28508 18 0.39502 0.29327 19 0.40179 0.30078 20 0.40797 0.30769 21 0.41363 0.31406 22 0.41883 0.31997 24 0.42806 0.33056 26 0.43601 0.33979 28 0.44294 0.34790 30 0.44902 0.35510 34 38 0.45920 0.36731 0.46740 0.37727 45 0.47846 0.39093 50 0.48458 0.39860 60 0.49391 0.41047 75 0.50345 0.42283 100 0.51321 0.43574 150 0.52321 0.44930 300 0.53348 0.46364 Rack 0.54406 0.47897 Permissible bending stress o, (MPa) Material Treatment Outs (MPa) Nylon Tufnol 65 (20 °C) 27 110 31 080M40 540 131 080M40 Induction hardened 540 117 817M40 772 221 817M40 Induction hardened 772 183 045M10 494 117 045M10 Case hardened 494 276 Case hardened 655M13 849 345 Preferred standard gear teeth numbers. 12 13 14 15 16 18 20 22 24 25 28 30 32 34 38 40 45 50 54 60 64 70 72 75 80 84 90 96 100 120 140 150 180 200 220 250