Gear Ratio Question
#1
the_tow_guy Thanks..1 more?
If a main gear having 45 teeth is revolving at 360 RPM, then the speed of a 15 tooth pinion driving this gear is?
a) 120 RPM
b) 180 RPM
c) 1080 RPM
d) 1800 RPM
Sorry I'm so lost this is all new to me!
a) 120 RPM
b) 180 RPM
c) 1080 RPM
d) 1800 RPM
Sorry I'm so lost this is all new to me!
#2
A 45 tooth gear has 3 times as many teeth as the 15 tooth gear. So for every revolution of the 45 tooth gear, the 15 tooth gear revolves 3 times. Therefore when the 45 tooth gear turns 360 revolutions per minute, the 15 tooth gear is turning 1080 times per minute. (360 X 3 = 1080). This creates a 3:1 gear ratio since the driving gear is turning 3 times for every 1 turn of the driven gear.