What Tolerancing Is — and Why Not Every Feature Needs It
A tolerance states how much deviation is acceptable. Putting a tight one on a face that does no work is pure cost. A guide to deciding where accuracy is needed and where it is not.
·3 min read
Technical articles
Tolerancing & GD&T
Where tolerances belong, how tight they should be, and how to avoid paying for accuracy you do not need.
ArticlesIndustrial Drafting
Tolerancing & GD&T
3D Design & CAD
Reverse Engineering
Design for 3D Printing
Machining & CNC
Sheet Metal & Cutting
Materials
Ordering in Kerman
2 articles
A Practical Introduction to GD&T
Dimensional tolerances say how big a feature is. GD&T says what shape it is and where it sits. A working introduction to datums, form and position controls — without the extra formulas.
·3 min read