GDT:Runout Overview
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| Symbol | Runout Overview |
|---|---|
| Type | Runout |
| Category | Runout |
| Standard | ASME Y14.5 |
| Author | Admin |
| Datums | Required for runout controls |
| Modifiers | Varies by control and feature type |
| Tolerance zone | Runout zones measured relative to a datum axis |
| Image | GDT-Runout-Overview.svg |
| Common mistakes | Missing datum axis; using runout when profile is more appropriate |
| Related |
Summary
Runout controls limit variation as a feature rotates about a datum axis.
Scope
Use runout controls to manage circular or total runout relative to a datum axis.
Controls in this category
When to use it
Use runout when rotational variation affects function, such as shafts, hubs, or concentric features.
Common mistakes
- Omitting the datum axis reference.
- Using runout for non-rotational features where profile or position is more appropriate.