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Mechanics > Belts > Flashcards

Belts Flashcards

1
Q

What are the 3 main categories of belts?

A

V or wedge
Flat
Synchronous or toothed/timing

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2
Q

Driver or driven attaches to what?

A

Motor

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3
Q

What is the component turned by the belt?

A

Pulley

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4
Q

What are the two types of v belts?

A

Envelope
Raw-edge

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5
Q

What does “L” mean in 4vL420?

A

Fractional hp

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6
Q

What are a few advantages of belts?

A

Allow slippage
Handles rough conditions
Cost effective

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7
Q

What is a perk of flat belts?

A

They can bend around corners

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8
Q

How much flex should you have when you tension a v belt? And which side to you check?

A

1/4” per foot between sheave and pulley
Tight side

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9
Q

What are the 4 layers of a belt?

A

Cushion rubber
Tensile cord
Insulation rubber
Backing fabric

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10
Q

What designates “cogged” belt?

A

X

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11
Q

What is the power range of v belts?

A

Less than 1hp to 500hp

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12
Q

What is a disadvantage of flat belts?

A

Rely on high tension

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Mechanics (7 decks)

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