An interference fit, also known as a press fit or friction fit, is a fastening between two parts achieved by friction after the parts are pressed or forced together. This type of fit relies on the elastic deformation of the materials to create a secure joint without the need for additional fasteners or adhesives.

Interference Fit

interference fit

press fit

friction fit

fastening between two parts

Elastic deformation refers to the reversible change in shape or size of a material under stress, where the material returns to its original form once the stress is removed. It is governed by Hooke's Law, which states that the deformation is proportional to the applied stress within the elastic limit of the material.

elastic deformation

secure joint

additional fasteners

Adhesives are substances used to bond materials together by surface attachment, often providing a durable and long-lasting connection. They come in various forms, including natural, synthetic, and pressure-sensitive types, each designed for specific applications and material compatibility.

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