shafting fits and accessories

Question 1

Keys are timing devices?

Answer 1

True.

Question 2

The width of a square or flat key should be about quarter inch the diameter of the shaft, true or false.

Answer 2

true

Question 3

When are Pratt and Whitney keys used?

Answer 3

You use these keys when the hub slides back-and-forth on the shaft, the rounded ends makes it easier to align the hub with the key.

Question 4

Woodruff, key formula

Answer 4

First two numbers times 1/32 last two numbers times 1/8

Question 5

Where are Gibb had keys used?

Answer 5

They are used to transmit heavy loads tapered keys have a 1/8 inch taper in 12 inches

Question 6

Splines allow a high torque transfer between the component on the shaft true or false

Answer 6

true

Question 7

Tapers and eccentrics are locking device is used to Mount components to shops, true or false

Answer 7

true

Question 8

When would you use locking devices?

Answer 8

You use locking devices for applications that require high torque press fits with easy adjustment and release

Question 9

Where would you use a tapered sleeves?

Answer 9

Do you use tapered sleeves on installation assemblies for positive bearing location?

Question 10

where would you use dowel pins?

Answer 10

You use tapered dowel pins when you require an extremely precise location or when you must frequently assemble or disassemble parts dowel pins have a quarter inch taper per foot

Question 11

dowel pins have how much taper per foot

Answer 11

1/4’ tapper per foot

Question 12

what is bending stress

Answer 12

Is the force applied by the weight of the shafting and loads perpendicular to the shaft access between bearings?

Question 13

AISI

Answer 13

american iron and steel institute

Question 14

SAE

Answer 14

the society of automotive engineers

Question 16

ASTM

Answer 16

American society for testing materials