Glossary of Casting Terminology "O"
|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.|