Page 196 - Modular design for machine tools
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156   Modular Design Guide and Machine Tools Description




















                 H e  H e  F e  Se   F e  K e  S K
                                                e e
                  P e  P e  C e  C e  T e  C e  C e
                                    (a)

                             1  2   3   4   5   6
                            H H  F e  S F  F e  S K S K
                              e e
                                      e e
                                             e e
                                                 e e
                             P e  C e  C e  T e  C e  C e
                    1
                      H P    0.5  *   *  *   *   *
                       e e
                    2
                      H P    0.5  *   *  *   *   *
                       e e
                    3
                      F C     *  1.0  0.5  *  *  *
                       e e
                    4
                      S C     *   *  0.5  *  0.5  0.5
                       e e
                    5
                      F T     *   *   *  1.0  *  *
                       e e
                    6
                      K C     *   *   *  *   0.5  0.5
                       e e
                    7
                     S K C    *   *  0.5  *  1.0  1.0
                      e e e
                                    (b)
               Figure 4-22    Part pattern and reference matrix: (a) Sample
               part and its representation and (b) reference matrix (by
               Maeda, courtesy of JSPE).
                           S   1   n 1∩ n 2/n 1∪ n 2    (0  S  unit)        (4-5)
                                     e
                                          e
                                              e
                                                   e
                             r
               where
                       1 and n 2   number of entities consisting of each part
                      n e     e
                                   pattern
                        n 1∩ n 2   number of common entities between both part
                         e
                              e
                                   patterns
                          1∪ n 2   n 1   n 2   n 1∩ n 2
                        n e   e     e     e    e    e
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