Datums in GD&T

This videos explains all about Datums, their function and how are they selected and what's their role in establishing GD&T tolerancing.
This video was created for beginners to quickly understand, interpret and implement all the concepts of Datums while using GD&T in mechanical drawings.
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[@ramkumargourarajula9528]

Your animation was superb. But still not clear visualization about 321 principle which you mentioned 1trasnation 2 rotations with respect to what datum?

[@ProdacLabs]

Thanks Ramkumar. 3,2,1 principle talks about primary, secondary and tertiary datums. All the parts have 6 degrees of freedom (3 translational and 3 rotational). Primary datum will constrain 3 degrees of freedom, secondary datum will constrain 2 degrees of freedom and tertiary will constrain only one degree of freedom. That's why it's referred as 3,2,1 principle. Hope it makes sense to you now.

[@rajakatta7642]

Superb

[@kysooace]

You called a vertical distance on a on a horizontal datumn when it was really horizontal distance on a horizontal datum and vice versa im lost on how you confused the two

[@jerryjasinski8229]

When specifying datums Why do you say a MINIMUM of 3, 2, and 1 point ? It is exactly 3, 2, and 1 point. for the primary, secondary, and tertiary datums.

[@axeonhand]

No it's minimum

[@bukanpetualang6398]

👍👍👍

[@QwertyCanada]

Why the echo, lmao.

[@cahangon4989]

👍👍👍👍