- Wheels with either a groove or several pockets in which a rope or chain can run to change the direction or point of a force applied.
- Sheaves with calibrated chain are used in a variety of material handling applications from heavy duty overhead doors and furnace doors to elevating platforms.
- Often used as opening and closing mechanisms.
- Commonly used for shaft rotation.
- A particular quality of a product must fall within a given tolerance.
- Calibrated Chain is manufactured to +/- .064" where standard chain manufacturing tolerances range +/- .40"