Machine Processing - Tolerance Grades
Machine processing and tolerance grades.
Sponsored Links
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:
| Tolerance Grades | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| Lapping and Honing | |||||||||
| Cylindrical Grinding | |||||||||
| Surface Grinding | |||||||||
| Diamond Turning | |||||||||
| Diamond Boring | |||||||||
| Broaching | |||||||||
| Reaming | |||||||||
| Turning | |||||||||
| Boring | |||||||||
| Milling | |||||||||
| Planning and Shaping | |||||||||
| Drilling | |||||||||
ANSI B4.1 Standard Tolerances are indicated in the diagram below:
- 1 in (inch) = 25.4 mm
Sponsored Links
Related Topics
-
Miscellaneous
Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
Related Documents
-
ASME - American Society of Mechanical Engineers
ASME is one of the leading organizations in the world developing codes and standards. -
Building Tolerances
Typical tolerances for floors, walls, columns and more. -
DFA - Design for Assembly index
Design for Assembly Index indicates how easy it is to assembly a component. -
JIS - Japanese Industrial Standards
Japanese Standards Association - JSA. -
Sandpapers - Grit Sizes
Grit sizes ranging 12 - 600. -
Scales of Objects
The relative scale of objects. -
Surface Roughness vs. Abrasive Grain Size
U.S. mesh size vs. surface roughness. -
Surface Roughness vs. Mechanical Processing
Mechanical production methods and their surface roughness.
