Belts - Part A (Alberta Books) Flashcards
1
Q
Can a V-belt touch the bottom of a sheave?
A
No, only if the sheave is worn out.
2
Q
What is the minimum amount of contact a sheave and v-belt need to be in contact with each other?
A
1/3 of the circumfrance = 120 degrees
3
Q
What area of V-Belts transmit power on the outside of the belt?
A
The sides of the wedge.
4
Q
What is Pitch line?
A
The imaginary location line that goes through the tensile strength layer.
5
Q
What is Creep?
A
Creep is where the driving speed is slower on the slack side then the tension side due to bunching (creep).
6
Q
What is Slip when regarding belts?
A
When the Arc of Creep has increased so much that the entire pulley is Creeping.
7
Q
What makes Creep increase?
A
Increasing load
8
Q
Answer
A
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