Page 173 - Modular design for machine tools
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Application of Machine Tool Description to Engineering  Design    133

                                     Z

                                     C
                                B

                                    A     X
                             Y



                                  Z




                                X              C



                                                          Functional description
                                                               XY/ZC
                            Y
                                                         Workpiece  Cutting tool
                                                          branch    branch

                                      Functional description (movement function)
                 Spindle type
                           XY/ZC Y/XZC  X/YZC  B/XZYC  BX/ZYC BXZ/YC  BZX/YC  Others
                 Single spindle
                 of horizontal                J  3  J  24  J  25   J   1  J  11
                    type                            F 16   F   2   F  3  F   8
                 Single spindle
                  of vertical   J  44  J  8  J   5                       J   2
                    type               F  2                              F  4
                Complex spindle
                  (horizontal &   J  4
                 vertical types)
                 Plural spindles
                of vertical type  J  3
                            Note: J: MC of Japanese make;  F: MC of foreign make.
               Figure 4-1    Typology of MCs on market around  1985.




                  XY/ZC type with vertical single spindle, the manufacturers endeavor
                  to develop new types of MC, e.g., vertical MC of /XYZC type. This
                  type appears to satisfy the requirement of the German machine tool
                  market, especially that for application to the FTL. It is very inter-
                  esting that the Japanese manufacturers tend to respond to such a
                  requirement using the Y/XZC type.
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