A tolerance is the total permissible variation of size. where the tolerance is the difference between the limits of size.
Range of tolerance grades that various machine processes may produce under normal conditions:
|Lapping and Honing|
|Planning and Shaping|
ANSI B4.1 Standard Tolerances are indicated in the diagram below:
- 1 in (inch) = 25.4 mm
Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
ASME is one of the leading organizations in the world developing codes and standards.
Typical tolerances for floors, walls, columns and more.
Design for Assembly Index indicates how easy it is to assembly a component.
Japanese Standards Association - JSA.
Grit sizes ranging 12 - 600.
The relative scale of objects.
U.S. mesh size vs. surface roughness.
Mechanical production methods and their surface roughness.