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- Datum reference - Wikipedia
In engineering and drafting, a datum is a reference point, surface, or axis on an object against which measurements are made These are then referred to by one or more 'datum references' which indicate measurements that should be made with respect to the corresponding datum feature
- DATUM Definition Meaning - Merriam-Webster
The meaning of DATUM is something given or admitted especially as a basis for reasoning or inference How to use datum in a sentence Is data singular or plural?: Usage Guide
- Datums and Reference Frames | Datums | National Geodetic Survey
A geodetic datum or reference frame is an abstract coordinate system with a reference surface (such as sea level) that serves to provide known locations to begin surveys and create maps
- Datum Feature | GD T Basics
A datum feature is the tangible surface or feature of size (comprised of multiple surfaces or revolved surfaces) that is indicated by the datum feature symbol You can think of them as anchors for the entire part They are the surface or feature where the other features are referenced from
- What Are Datums? A guide to all their types and applications.
A datum feature refers to the physical part of the object which is used as reference for a datum It may be a particular point, line, plane or surface on the part
- DATUM | English meaning - Cambridge Dictionary
A common datum point is used throughout all the experiments as a reference point
- What Are Datums in Engineering? Types, Symbols, and . . .
Datum: The theoretical plane, point, or axis derived from a datum feature For example, the center of a hole is the datum feature; the axis running through the center is the datum
- What Are Datums? | GD T Overview - KEYENCE America
This page explains the different types of datums and the drawing indications of datum features “Learning GD T From Scratch,” provided by KEYENCE, walks you through the basics of geometric dimensioning and tolerancing, datums, and measurements by coordinate measuring machines
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