Chains

Question 1

Purpose of chains

Answer 1

Transmit power (chains do not stretch, they wear)

Question 2

Applications for chains

Answer 2

Bikes, bucket elevators, roller coasters, and conveyors

Question 3

Types of chains

Answer 3

Roller chain, engineered class chain, and polymer chain

Question 4

Roller chain

Answer 4

Dimensionally standardized, standard pitch lengths (center of pin to center of pin)

Question 5

Roller chain designation

Answer 5

No. 80 (1” pitch) and No. 40 (1/2” pitch)

Question 6

Is all chain bi-directional?

Answer 6

No

Question 7

Types of roller chain

Answer 7

Single strand, double strand, and leaf chain

Question 8

Apps for roller chain

Answer 8

Lift trucks

Question 9

Major roller chain players

Answer 9

UST, Diamond, and Morse

Question 10

Are there domestic manufacturers of roller chain?

Answer 10

No

Question 11

Engineered class chain apps

Answer 11

Bucket elevators, construction equipment, hot plants, waste and water, dairy conveyors, and drag conveyors

Question 12

What is contenary sag? Is it bad?

Answer 12

Sag of the chain and it can be good or bad

Question 13

Things that affect chain life

Answer 13

Product being conveyed, conditions, misalignment, speed, chain pull, and lube

Question 14

Major engineered class chain players

Answer 14

UST, Webster, Allied Locke, Rexnord, Jeffries, and Imports

Question 15

Chain advantages

Answer 15

No slippage, longer operating life, hostile environments, and shelf life

Question 16

Chain disadvantages

Answer 16

Noisy, elongation, sprocket replacement

Question 17

Types of polymer chain

Answer 17

Mat top and table top

Question 18

What app is mat top chain used for

Answer 18

Food applications

Question 19

What app is table top chain used for

Answer 19

Beverage applications