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Appendix 2. Selection
Appendix 2-1 Selection of servomotor capacity.....................................................................................A2-2
Appendix 2-1-1 Load inertia ratio........................................................................................................A2-2
Appendix 2-1-2 Short time characteristics..........................................................................................A2-2
Appendix 2-1-3 Continuous characteristics........................................................................................A2-3
Appendix 2-2 Selecting the regenerative resistor ..................................................................................A2-5
Appendix 2-2-1 Calculating the regenerative energy .........................................................................A2-5
Appendix 2-2-2 Calculating the positioning frequency .......................................................................A2-8
Appendix 2-3 Example of servo selection ..............................................................................................A2-9
Appendix 2-3-1 Motor selection calculation........................................................................................A2-9
Appendix 2-3-2 Regenerative resistor selection calculation ............................................................A2-12
Appendix 2-3-3 Servo selection results ............................................................................................A2-14
Appendix 2-4 Motor shaft conversion load torque................................................................................A2-15
Appendix 2-5 Expressions for load inertia calculation .........................................................................A2-16
A2 - 1