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Mechanics > Conveyors > Flashcards

Conveyors Flashcards

1
Q

What is the job of a head pulley?

A

To drive

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2
Q

How do you tell if it’s a head pulley?

A
  1. Tread pattern
  2. Longer shaft length
  3. Coupling
  4. Key way
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3
Q

What is the job of a tail pulley?

A

To change direction

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4
Q

What are the 2 types of tail pulleys?

A
  1. Drum
  2. Wing
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5
Q

What does lagging do?

A

Protects the structure of the drum and it is made from rubber or urethane

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6
Q

What are the 2 ways to tension a belt?

A
  1. Counter weight
  2. Take up units
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7
Q

What are the rolls mounted on top of the conveyor?

A

Troughing rolls

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8
Q

What are the rolls on the bottom of the conveyor?

A

Return rolls

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9
Q

What is considered bulk material?

A

Material that is dirty, dusty, corrosive and lumpy

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10
Q

Most common belt we use?

A

Troughed belt

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11
Q

Conveyor used for handling sharp or abrasive material?

A

Apron or pan conveyor

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12
Q

Why would we use a winged tail pulley?

A

Messy environments where build up can happen and when your conveyor is outdoors

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13
Q

What are the individual rolls on the troughed roll called?

A

Cans

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14
Q

2 ways you can join or repair belts?

A

Fasteners (mechanical splices) or they can be vulcanized

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15
Q

If a screw conveyor is laying down flat on the ground, what is it doing?

A

Moving material

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16
Q

If the screw conveyor is at an angle what is it doing?

A

Separating material

17
Q

What is the job of the return rolls?

A

To support the load

18
Q

What is the area under the chute called?

A

The impact zone

19
Q

What tensioning method do you need a snubber roll for?

A

Counterweight

20
Q

What do run outs do?

A

They are directly under the chute and they knock down funneling and it contains big material

21
Q

What do side skirts do?

A

Located under the run out, it contains the finer material

22
Q

What is significant about the rolls in the impact zone?

A

They’re very close together and they’re at a 45 degree angle for more support

23
Q

What is the angle of the rolls right after the impact zone?

A

35 degrees and they are further apart

24
Q

What is the angle of the rolls close to the head pulley?

A

20 degrees and they get closer together

Mechanics (15 decks)

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