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What is a Slide Fit?

Published in Engineering Fit 2 mins read

A slide fit, also known as a push fit, is an engineering term describing how one part connects with another part.

Understanding Slide Fit

Based on engineering definitions, including the British English usage:

A slide fit enables one part to be inserted into another simply by sliding or pushing. This is a key characteristic that distinguishes it from fits requiring more force or tools.

Think of it as a connection where parts are snug but can still move relative to each other or be assembled/disassembled with moderate manual force.

Key aspects of a slide fit include:

  • Assembly Method: Parts join by sliding or pushing, not requiring hammering or excessive force.
  • Relative Movement: Often allows for slight movement or easy alignment between components.
  • Alternative Name: Frequently referred to as a push fit.

This type of fit is crucial in applications where components need to be assembled quickly, aligned easily, or potentially disassembled later without damage.

Characteristics of a Slide Fit

Characteristic Description
Joining Method By sliding or pushing
Force Required Moderate manual force (no hammering)
Relative Movement Can allow for slight movement or easy positioning
Other Names Push fit

Practical Insights

Slide fits are commonly used in various mechanical assemblies:

  • Bushings: To align shafts while allowing rotation.
  • Mechanical Linkages: Where parts need to connect while still being able to pivot or slide.
  • Assembly Pins: For alignment or connection where easy removal is needed.

Choosing a slide fit depends on the required function, tolerance between parts, and ease of assembly/disassembly needs of the final product.