Mechanisms Flashcards
1
Q
how do you calculate velocity ratio in pulleys
A
diameter of driven/
diameter of driver
2
Q
what is the driver
A
the pulley plugged into the motor
3
Q
in gears and pulleys what is the rule about what rotates faster
A
the smaller rotates faster
4
Q
when two gears are aligned together which direction do they travel
A
in opposite directions
5
Q
how do you stop two gears travelling the same way
A
add an IDLER gear in the middle to correct the motion
6
Q
what does a rack and pinion do
A
change rotatary motion to linear
7
Q
How do you calculate the velocity ratio of a belt
A
diameter of driven pulley / driver
8
Q
How do you calculate output speed
A
output speed = input speed/ velocity ratio
9
Q
In a pulley what determines mechanical advantage
A
amount of sections of rope pulling up on object
