Interference Fit Press Fit Tolerance Chart

Preferred fits and tolerances charts iso precision measuring tools for shaft and hole measurements.

Interference fit press fit tolerance chart. An interference fit also known as a press fit or friction fit is a form of fastening between two tight fitting mating parts that produces a joint which is held together by friction after the parts are pushed together. It is the standard press fit for steel cast iron or brass to steel assemblies. Just like while they re perfect for a date your jeans aren t right for that upcoming awards dinner. Limits fits and tolerances calculator in french.

While press fits are right for some designs machined parts of similar materials with tight tolerances requiring close tolerance alignment using an interference fit may not be right for your assembly. Locational interference fits are used where accuracy of location is of prime importance and for parts requiring rigidity and alignment with no special requirements for bore pressure. Units given in inches. Critical components that must not sustain.

Fit is defined as the degree of freedom of tightness between the mating parts in an assembly process it is also defined as the relationship between the hole and the shaft during the assembly is called fit in this article we are going to discuss different types of fits in a detailed way. Interference press shrink fit calculator. Iso 286 1 2010 geometrical product specifications gps iso code. Limits fits and tolerances calculator in german.

Shaft p6 with hole h7 gives a true interference fit. Depending on the amount of interference parts may be joined using a tap from a hammer or pressed together using a hydraulic ram.