Glossary of Casting Terminology "O"
This glossary lists in alphabetical order casting industry terms and their explanations.
| Word/Expression | Explanation |
|---|---|
| operation panel | A control panel with buttons/switches and an input display device like a liquid crystal display for operating a casting machine. |
| operation rate | The rate of actual production as a percentage of the theoretical maximum production rate of a facility. |
| outboard engine | An independent propulsion system installed at the rear on the outside of a watercraft. Powerplants include gasoline engines and electric motors. |
| outlet | A site where a fluid is discharged by means of a pump or the like. |
| overall accuracy | The degree of correctness or precision with respect to the technical drawing (blueprint) or basic dimensions when the finished casting is measured. |
| oxide | A compound of oxygen with some other element. If generated in molten metal, it remains within the cast product as an impurity and may cause defects such as hard spots. |
| oxide film | A thin film of stable rust on the surface of metals such as iron or aluminum that serves as a layer of protection. |
