A pair of StYaight teeth spur geard, having 20 involutek tull depth teerh is to halre tranj mitted Poleer 12 KW at 300 rpun ef the Pinioh. The Speed ratio is 3. Tha allowable static Stresse) for Sear of cast bran and Pinion of Steel are 66o Mpa and los MAa, respectileely. Assume the number of teeth Pinion as 16 and face width as 14 times of the module ASSume steedy load Conditins and 8-10 hour) of service Pr day. Given: Ge=84 Mpa, Ge,=Coo MPa, C=80,E,- 200000 HPa, E-looo HPa Ce =4.5 4.5+2 30