Machine Design II - Gear

# Machine Design II - Gear - 4:1 Pressure Angle 20°...

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Machine Design II Project #1 Gear Design Gear Set 2: Speed Ratio 4:1 Pressure Angle 14.5° Diametral Pitch(P) 20 teeth/inch Addendum(a) = 1/P 1/20 = .05 Dedendum(b) = 1.25/P 1.25/20 = .0625 Circular Pitch(p) = π/P π/20 = .157 Tooth Thickness(t) = p/2 .157/2 = .0785 Gear 1: - 24 Teeth Pitch Diameter(d 1 ) = N 1 /P 24 teeth/20 = 1.26” r b1 = r cos φ .63”x cos 14.5° = . .610” Gear 2: - 6 Teeth Pitch Diameter(d 1 ) = N 1 /P 6 teeth/20 = .315” r b2 = r cos φ ..1575”x cos 14.5° = .153”

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Gear Set 1: Speed Ratio
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Unformatted text preview: 4:1 Pressure Angle 20° Diametral Pitch(P) 20 teeth/inch Addendum(a) = 1/P 1/20 = .05 Dedendum(b) = 1.25/P 1.25/20 = .0625 Circular Pitch(p) = π/P π/20 = .157 Tooth Thickness(t) = p/2 .157/2 = .0785 Gear 1:- 24 Teeth Pitch Diameter(d 1 ) = N 1 /P 24 teeth/20 = 1.26” r b1 = r cos φ .63”x cos 20° = .592” Gear 2:-6 Teeth Pitch Diameter(d 1 ) = N 1 /P 10 teeth/20 = .5” r b2 = r cos φ ..1575”x cos 20° = . .148”...
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## This note was uploaded on 11/16/2009 for the course CVEG 3013 taught by Professor Mike during the Spring '09 term at Baylor.

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Machine Design II - Gear - 4:1 Pressure Angle 20°...

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