| 摘要 |
<p>A method of operating coordinate positioning apparatus having a measurement probe (18) is described. The method comprising a step of taking a first part (24) in a series of nominally identical parts, at least a first reference geometrical property associated with one or more features of the first part (24) being known. A step is also performed of using the coordinate positioning apparatus to measure the one or more features of the first part (24) and determining therefrom a first measured geometrical property that corresponds to the first reference geometrical property. A first property correction value is then determined that describes a difference between the first reference geometrical property and the first measured geometrical property. The coordinate positioning apparatus is then used to measure the one or more features of one or more further parts in the series of nominally identical parts and, for each further part, a further measured geometrical property is determined that corresponds to the first reference geometrical property. The first property correction value is then applied to each further measured geometrical property. A corresponding coordinate positioning apparatus is also described.</p> |
