This standard specifies the models, symbols, coding, data structures, data file arrangement rules and methods for various algorithms for computer-aided fixture space angle calculation. This standard applies to the design and programming of fixture space angle calculation software. Other professional spatial angle calculation software design and programming should also be used with reference.
HB/Z 148-1989 history
1970HB/Z 148-1989 Calculation of space angle for computer-aided clamps