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Explain the meaning of an interference fit between a shaft and hole. - Leaving Cert Engineering - Question (e) - 2010
Question (e)
Explain the meaning of an interference fit between a shaft and hole.
Worked Solution & Example Answer:Explain the meaning of an interference fit between a shaft and hole. - Leaving Cert Engineering - Question (e) - 2010
Step 1
Explain the meaning of an interference fit
Answer
An interference fit occurs when the diameter of a shaft is larger than the diameter of the hole it is intended to fit into. This results in a tight assembly, where the shaft must be pressed into the hole.
Key Characteristics:
- Tight Assembly: The interference fit ensures a secure connection between the two components, preventing any relative motion.
- Force Application: Usually requires the application of significant force to assemble the components due to the snug fit.
- Applications: Commonly used in machinery where precise alignment and strength are critical, such as in gears and pulleys.
Practical Implications:
- This type of fit is particularly valuable in applications demanding a robust connection that can withstand torque and stresses.
- Designers must carefully consider tolerances to ensure that the interference fit achieves the desired interference without damaging the components.