This standard sets two series of pris angles ranging from 120° to less than 1° and a series of inclinations ranging from 1:10 to 1:500, for the use of mechanics in general . It includes two tables, one relating to general applications, the other relating exclusively to particular applications. These tables give the nominal values of the pris angles and the corresponding calculated values of their tangent as well as the nominal values of the inclinations. nis ns and the corresponding calculated angular values. The calculated values are given to facilitate the design, manufacturing and control of pris atic parts.
NBN E 01-001-1987 history
1987NBN E 01-001-1987 Angle and slope of prism. Terminology and standardized values