Shaft-hub Connections

Question 1

What are the pros and cons of press & shrink fits as shaft-hub connections??

Answer 1

+ Cheap
+ Distributed contact pressure
- Difficult to disassembly

Question 2

What are the pros and cons of locking assemblies as shaft-hub connections??

Answer 2

+ Simple to assembly & disassembly

- Expensive

Question 3

What are the pros and cons of keys as shaft-hub connections?

Answer 3

+ Cheap

- Causes high stress

Question 4

What are the pros and cons of splines as shaft-hub connections?

Answer 4

+ Allows axial movements
+ Low stress
- Expensive

Question 5

Name the axial shaft-hub connections

Answer 5

Retaining rings, nuts, spacers, shoulders, shims

Question 6

What are the advantages of tapered shaft-hub connections?

Answer 6

Better concentricity, not dependent on tolerances

Question 7

What criterias must ta hänsyn till when dimensioning a press fit between shaft and hub?

Answer 7

The pressure must be big enough to transfer the wanted torque.
Tensile stress must be below max. allowed stress