Engineering Metrology

Introduction to Engineering Tolerance I De nition: The allowable deviation from a standard. I Tolerance is the total amount a dimension may vary and is the di erence between the upper (maximum) and lower (minimum) limits. I Types of Tolerance: Dimensional and Geometrical I Allowance for a speci c variation in the size of part is called Dimensional Tolerance. I Allowance for a speci c variation ... ................
................