4 SERVOPACK Specifications and Dimensional Drawings
4.5.2 Starting Time and Stopping Time
4-14
4.5.2 Starting Time and Stopping Time
The starting time
tr
and the stopping time
tf
of linear servomotor under constant load conditions can be calcu-
lated using the following formulas.
Calculate the motor force from the motor current: Motor force = Motor force constant
×
Motor effective current
The following figure shows the motor force and motor speed timing chart.
V
M
Motor movement speed (m/s)
M
Load mass including motor (kg)
F
PM
Motor instantaneous peak force (N) in combination with a SERVOPACK
F
L
Load force (N)
Starting time
tr
= [ s ]
M
V
M
F
PM
−
F
L
M
V
M
F
PM
+
F
L
Stopping time tf = [ s ]
Motor force
(Current amplitude)
Motor movement
speed
tr
tf
V
M
F
PM
F
PM
F
L
Time
Time
Summary of Contents for SGLFW
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