New default single datum association criterion
To reduced the variation due to the border effects of the datum feature to establish a single datum, the association criterion has been modified from minimax with external material constraint to least squares with external material constraint in the new ISO 5459-2024.
Do you have any questions?
Would you like to make an appointment for training, but still have questions? Check out our frequently asked questions here.
Certainly, the ISO standards have expanded considerably in recent years, especially with regard to measurement. Each customer has its own specific applications.
The best way to understand GD&T is to link theory to practice. This will give participants a better feel for the subject.
The standard two-day training is intensive, with customer drawings as a common thread. To work more specifically, a follow-up day is recommended. This gives participants time to look for examples and let everything sink in.
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Would you like more information about the other courses?
Course Geometrical Dimensioning and Tolerancing (GD&T)
Course Model-Based Definition
Course Tolerance study
Course Drawing interpretation