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There are two spur gears in mate (a pinion and gear) determine the minimum face width based on the bending equations and the data below: (hint: use iterative approach) . Determine the face-width for the pinion (use bending equations) * Design/Safety Factor (SF) 2 · NP (teeth) = 20 Pressure angle (degrees) = 20 · n (rpms) = 1200 H (hp) 100 Ng (teeth) = 60 . Pd (teeth/in) 8 . Quality number (Qv) 11 Pinion is made of nitrided through hardened (grade 2) steel and has a hardness of (HB) 280 . Gear is made of nitrided through hardened (grade 2) steel and has a hardness of (HB) 280 Loading (source, load): Uniform - Moderate Shock . NL of pinion (cycles) 5*1047 . Calculating the Stress-Cycles factor, use the high cycle equation KL . reliability 0.92 . Gear box is enclosed and gears are assembled with precision . Additionally, the gears are mounted are straddled mounted (CE 1) · Assume that the temperature factor (KT = 1) . Both the pinion and gear are uncrowned 1.6831 NL (-0.0323)

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