Download Internal traineeship - Materials Technology

Index
Index ................................................................................................................................................ 2
1 Introduction............................................................................................................................... 3
2 Choosing an actuation system ................................................................................................. 4
2.1 Performance ....................................................................................................................... 4
2.2 Comfort ............................................................................................................................... 5
2.3 Cost .................................................................................................................................... 5
2.4 Packaging ........................................................................................................................... 5
2.5 Conclusion .......................................................................................................................... 6
3 Opel Corsa – Easytronic .......................................................................................................... 7
3.1 Reason for automation ....................................................................................................... 7
3.2 Implemented modifications................................................................................................. 7
3.2.1
Shift and selector actuator ......................................................................................... 9
3.2.2
Actuation lay-out ...................................................................................................... 10
3.2.3
Clutch actuator......................................................................................................... 11
3.2.4
Easytronic control signal .......................................................................................... 11
4 Transmission 02k-DNZ overview ........................................................................................... 13
4.1 Transmission lay-out ........................................................................................................ 13
4.2 Properties of the synchromeshes ..................................................................................... 15
5 Required specifications .......................................................................................................... 16
5.1 Time available .................................................................................................................. 16
5.2 Finding the most critical shifts .......................................................................................... 16
6 Reduction of moments of inertia............................................................................................. 17
6.1 Calculation of the inertia’s ................................................................................................ 17
6.2 Determining the relative angular velocities....................................................................... 17
6.3 Lumping the inertia’s ........................................................................................................ 18
7 Calculating if the solution will work......................................................................................... 19
7.1 Simplifications and assumptions ...................................................................................... 19
7.2 Required synchronization force ........................................................................................ 19
7.3 Properties of the actuating system ................................................................................... 22
7.4 Synchroniser performance limits ...................................................................................... 24
8 Interpretation of the results..................................................................................................... 27
9 Conclusions and recommendations ....................................................................................... 29
9.1 Conclusions ...................................................................................................................... 29
9.2 Recommendations............................................................................................................ 29
10
Bibliography ...................................................................................................................... 30
Appendix A. ................................................................................................................................... 31
Appendix B. ................................................................................................................................... 33
Appendix C. ................................................................................................................................... 34
Appendix D. ................................................................................................................................... 37
Appendix E. ................................................................................................................................... 40
Appendix F..................................................................................................................................... 43
Appendix G. ................................................................................................................................... 44
Appendix H. ................................................................................................................................... 47
Appendix I...................................................................................................................................... 48
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