An interference fit, also known as a press fit, is a type of fit where two mating components are assembled together with an intentional overlap in their dimensions, creating a tight joint that requires force to assemble. This fit ensures a strong connection between parts and is often used in mechanical assemblies to resist loosening from vibration or other forces. It is crucial to consider when designing parts with tight tolerances, as it affects assembly processes and the overall performance of the product.
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