What is one method to create an interference fit?

Creating an interference fit involves ensuring that two components fit together tightly, typically by making the inner component slightly larger than the outer component or by manipulating one part to fit tightly within the other. Heating the outer part expands it, allowing it to fit over the inner part. Once the outer part cools, it contracts, resulting in a secure and tight fit due to the interference created between the two components.

This method is commonly utilized in situations where precision is essential, such as in machinery or assembly lines, where the integrity of the connection must withstand various forces. The expansion due to heating ensures that the components can be assembled easily, while the contraction helps maintain a durable connection once they are back to their operating temperatures. Other methods, such as cooling the outer part to contract it, could also create fits but are less commonly used compared to the heating method.