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MMET 301 > Chains and Sprockets > Flashcards

Chains and Sprockets Flashcards

1
Q

What can chains do other than transmit power?

A
  • reduce speed
  • increase torque
  • act as a conveyor
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2
Q

Velocity Ratio

A
  • Gear Ratio
  • Velocity Ratio
  • # teeth driven / # teeth driver
  • angular velocity driver / angular velocity driven
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3
Q

Torque Ratio

A

Torque driven / torque driver

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4
Q

Advantages of Chains

A
  • no slippage
  • long life self-life
  • environmental conditions
  • easy to repair
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5
Q

Disadvantages of Chains

A
  • Noise
  • Elongation
  • Only one plain of engagement
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6
Q

Pin

A

Acts as the point of pivot about which the roller or bush engages with the sprocket

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7
Q

How do chains and belts work?

A

Teeth (cogs) of the driver sprocket engage with the chain (pulling the chain), the links of the chain then interact with the driven sprocket teeth (cogs) and moves it

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8
Q

Types of Chain

A
  • Roller Chain
  • Offset Link Chain
  • Double Pitch Chain
  • Silent Chain
  • Chain with Attachments
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9
Q

Chain Nomenclature XXxxX-x: Section 1

A

Double Pitch Chain

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10
Q

Chain Nomenclature XXxxX-x: Section 2

A

Pitch of the Chain and Chain Type

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11
Q

Nomenclature: Type 0

A

Normal Chain

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12
Q

Nomenclature: Type 1

A

Light Weight

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13
Q

Nomenclature: Type 5

A

Rollerless Bushed Chain

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14
Q

Chain Nomenclature XXxxX-x: Section 3

A

H for Heavy Duty

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15
Q

Chain Nomenclature XXxxX-x: Section 4

A

Multi-Stranded Chain/ # of strands

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16
Q

Silent Chain Nomenclature SC XX XX: Section 1

A

SC stands for silent chain

17
Q

Silent Chain Nomenclature SC XX XX: Section 2

A

Indicates Pitch

18
Q

Silent Chain Nomenclature SC XX XX: Section 3

A

of link plates attached together
- XX * 1/4 = width of the chain

19
Q

Type A Sprocket

A

Plain sprocket without a hub

20
Q

Type B Sprocket

A

Has a hub on only one side

21
Q

Type C Sprocket

A

Has a hub on both sides

22
Q

Type D Sprocket

A

Sprocket has a detachable hub which is bolted onto the sprocket and can be split

23
Q

Sprocket Nomenclature XxxXxxXxx: Section 1

A

Number of chains

24
Q

Sprocket Nomenclature XxxXxxXxx: Section 2

A

Pitch of the sprocket
- # * 1/8

25
Q

Sprocket Nomenclature XxxXxxXxx: Section 3

A

Type of Sprocket
- A, B, C, D

26
Q

Sprocket Nomenclature XxxXxxXxx: Section 4

A

of teeth or cogs

27
Q

Sprocket Nomenclature XxxXxxXxx: Section 5

A

Material
- H (Hardened teeth), SS (Stainless Steel)

28
Q

Sprocket Nomenclature XxxXxxXxx: Section 6

A

Bore Size

MMET 301 (8 decks)

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