In addition, straightness error of spindle, thermal expansion error of mechanical structure is analyzed to detect movement error property in ultra-precision machining. (scientific.net)
Its central element is a Spaceball ô, a simple mechanical structure originally designed to create a sensation of suspended gravity through multi-directional rotation within a sphere. (davidzwirner.com)
He and City Council Speaker Melissa Mark - Viverito introduced legislation that mandates inspections of cooling towers, which are rooftop mechanical structures used to cool large buildings. (courant.com)