Page 639 - Automotive Engineering Powertrain Chassis System and Vehicle Body
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Materials for consideration and use in automotive body structures  C HAPTER 18.2




                                                          Dielectric manifold





                                 Drive chuck
                                                                 Electrode
                                                                 assembly
                                  Servo quill system







                                       Y axis           X axis       Roll
                                        slide            slide

                                                Dependence of peak count on R a  value
                                                   for conventionally textured rolls
                                          8
                                          7
                                          6
                                                                     Electro discharge
                                                                           textured
                                        R a  in μm  4
                                          5
                                          3
                                                  Shot-blast
                                          2
                                                   textured
                                          1
                                          0
                                           0   10  20  30  40  50  60  70  80  90
                                                         Peak count T 1  in cm  –1
           Fig. 18.2-9 Schematic diagram of an EDT system and comparison with shot blasting.

































           Fig. 18.2-10 Principle of the Lasertex method of roll texturing.


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