Iso 286 — Pdf

– Explains the fundamental concepts, terminology, and graphical representations of limits and fits.

In an interference fit, the shaft is always larger than the hole. The parts must be forced together using a press, or by thermally expanding the hole/freezing the shaft. Example code: H7/p6 iso 286 pdf

The fit can be either clearance or interference, depending on the exact sizes produced. Using ISO 286-2: Tables of Limits – Explains the fundamental concepts

For example, if you have a shaft with a nominal diameter of 25mm and a tolerance class of k6 , you need the PDF (or a software tool based on it) to determine the upper and lower deviation limits. iso 286 pdf