CHAPTER 15 APPENDIXES

(6) Operation profile

Speed

[mm/s]

Travel

distance

50 mm

500 mm/s

0.05 s

Toque

[Nm]

0.05 s

0.05 s

0.5 s /cycle

0.81 Nm

0.03 Nm

-0.75 Nm

Time

[s]

Time

[s]

This profile is based on calculation selection. The operation cycle time supposes 0.5 s.

(7) Effective torque (Trms)

Time-average output torque

Trms =

=

(TAC2 × tAC) + (TL2 × tL) + (TDC2 × tDC)

tcyc

(0.812 × 0.05) + (0.032 × 0.05) + (-0.752 × 0.05)

0.5

= 0.35 Nm

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)

TAC : Acceleration torque [Nm]

TDC : Deceleration torque [Nm]

TL : Load torque converted to motor

shaft [Nm]

tAC : Acceleration time [s]

tDC : Deceleration time [s]

tL : Constant speed time [s]

tCYC : Running hour per cycle [s]

15

Capacity Selection Calculation 15-27