CHAPTER 15 APPENDIXES
Capacity Selection Calculation 15-27
15
(6) Operation profile
This profile is based on calculation selection. The operation cycle time supposes 0.5 s.
(7) Effective torque (T
rms)
Time-average output torque
Because the result is smaller than rated torque (0.637 Nm)
of the GYS201D5-HB2 type, continuous operation can be
made in the designated profile.
(8) Result of selection
Servomotor: GYS201D5-HB2 (0.2 kW)
(0.81
2
× 0.05) + (0.03
2
× 0.05) + (-0.75
2
× 0.05)
(T
AC
2
× t
AC
) + (T
L
2
× t
L
) + (T
DC
2
× t
DC
)
t
cyc
T
rms
=
0.5
= 0.35 Nm
0.81 Nm
-0.75 Nm
0.03 Nm
Time
[s]
Toque
[Nm]
=
500 mm/s
0.05 s
Speed
[mm/s]
Time
[s]
Travel
distance
50 mm
0.5 s /cycle
0.05 s 0.05 s
T
AC
: Acceleration torque [Nm]
T
DC
: Deceleration torque [Nm]
T
L
: Load torque converted to motor
shaft [Nm]
t
AC
: Acceleration time [s]
t
DC
: Deceleration time [s]
t
L
: Constant speed time [s]
t
CYC
: Running hour per cycle [s]
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