Limits, Fits and Tolerances Notes
Limits Fits and Tolerances definitions
Define Fits
It is basically an assembly condition between a shaft and a hole.
Or condition of looseness or tightness between two mating parts being assembled together
Measurement and Metrology
Metrology, Basic Definitions
What do you understand by Metrology?
It is basically the science of measurement.
The purpose of this discipline is to establish means of determining physical quantities.
Important Terminologies
Nominal Size
This is used for general identification purposes and the size of any part is defined during its drawing.
Basic Size