Sanyo Denki SANMOTION 3E S, Instruction Manual, Page: 385 / 488

11
Selection
In this chapter, each kind of selections are explained.
11.1 Servo motor sizing ............................................................................................... 11-1
11.1.1 Flowchart of servo motor sizing ..................................................................................................... 11-1
11.1.2 Make an operation pattern ............................................................................................................. 11-2
11.1.3 Calculate motor shaft conversion load moment of inertia (J
L
) ....................................................... 11-2
11.1.4 Calculate motor shaft conversion load torque (T
L
) ........................................................................ 11-3
11.1.5 Calculate acceleration torque (T
a
) ................................................................................................. 11-5
11.1.6 Calculate deceleration torque (T
b
) ................................................................................................. 11-5
11.1.7 Calculate effective torque (Trms) ................................................................................................... 11-5
11.1.8 Judgment condition........................................................................................................................ 11-5
11.2 Linear motor sizing .............................................................................................. 11-6
11.2.1 Flowchart of linear motor sizing ..................................................................................................... 11-6
11.2.2 Maximum necessary force and necessary effective force ............................................................. 11-7
11.2.3 Select magnet rail .......................................................................................................................... 11-8
11.2.4 Cautions on load conditions .......................................................................................................... 11-9
11.3 Selection of regenerative resistor .................................................................... 11-10
11.3.1 How to find "regeneration effective power (PM)" of the horizontal axis drive by a formula ......... 11-10
11.3.2 How to find "regeneration effective power (PM)" of the vertical axis drive by a formula ............. 11-11
11.3.3 Selection of regenerative resistor ................................................................................................ 11-12
11.3.4 Selection of external regenerative resistor .................................................................................. 11-14
11.3.5 Specification of external regenerative resistor ............................................................................. 11-16
11.3.6 Connection of regenerative resistor ............................................................................................. 11-17
11.3.7 Thermostat connection of external regenerative resistor ............................................................ 11-20
11.3.8 Protection function of regenerative resistor ................................................................................. 11-20
11.3.9 Confirmation method of regeneration power PM in actual operation .......................................... 11-21
11.3.10 Precautions for external regenerative resistor use .................................................................... 11-22