Chapter 10 Appendix
349
[2] Limitation in Operation
Make sure to follow the three conditions stated below for the operation of this product.
Condition 1. The pressing time is less than the specified time.
Condition 2. 1 cycle of the continuous operation thrust is less than the rated thrust of
Ultra-High Thrust Actuator.
Condition 3. There should only be 1 time of pressing operation in 1 cycle of operation.
(1) Pressing Time
The maximum pressing time duration to the pressing command value should be less than the
specified time. Not following this may cause a failure to the actuator.
Pressing Command
Value [%]
Max. Pressing Time
[sec]
70 or less
(Continuous pressing is
available)
71 to 100 300
110 230
120 95
130 58
140 43
150 33
160 27
170 21
180 18
190 15
200 13
(2) Continuous Operation Thrust
Make the continuous operation thrust F
t in 1 cycle considering the load and duty smaller than
the rated thrust. Also, make sure the pressing operation is only once in 1 cycle.
Velocity V
T
Time
t
1a
t
1f
t
1d
t
0
t
2a
t
2f
t
2d
t
w
t
t
1a
t
1f
t
1d
t
0
t
2a
t
2f
t
2d
t
w
F
1f
F
0
F
2a
F
2f
F
1a
F
2d
F
w
T
Time
t
Thrust F
If organizing the operation
pattern shown on the left side
with the thrust on the vertical axis,
the graph shows the characteristics
as shown on the right.
t : Operation time in 1 cycle (s)
t
1a : Acceleration time 1
t
1f : Rated speed movement time 1
t
1d : Deceleration time 1
t
u : Pressing time
t
2a : Acceleration time 2
t
2f : Rated speed movement time 2
t
2d : Deceleration time 2
t
w : Standby time
F1a : Thrust necessary for acceleration 1
F
1f : Thrust necessary for rated speed
movement 1
F1d : Thrust necessary for deceleration 1
F
0 : Thrust necessary for pressing
operation
F2a : Thrust necessary for acceleration 2
F
2f : Thrust necessary for rated speed
movement 2
F
2d : Thrust necessary for deceleration 2
F
w : Thrust necessary for standby
[Pressing Time]
300
250
200
150
100
50
0
100 110 120 130 140 150 160 170 180 190 200
Pressing Time (sec)
Pressing Command Value (%)
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