IAI America LSA-S10SS - Manual (Page 26)

1. Specifications Check
20
1.3.2 Availability Judgment for each Operational Condition
[1] Condition 1 Judgment of Thrust Necessary for Acceleration
For the slider to accelerate according to a command, the thrust required for acceleration, or Fa,
must be smaller than the maximum thrust of the shaft-type linear servo actuator.
Fa = (M + m) • a + Ft
Here,
M : Slider weight (kg)
m : Slider payload (kg)
a : Commanded acceleration (m/s 2 )* *1G = 9.8m/s 2
Ff : Traveling resistance (N)
In the case of a shaft-type linear servo actuator, the traveling resistance is determined by the
speed and empirically calculated as specified below.
[Traveling resistance]
The table below lists the traveling resistance of each model.
Traveling resistance Ff (N)
S6SS, S6SM 5V + 5
S8SS, S8SM 9V + 7
S8HS, S8HM 9V + 7
S10SS, S10SM 20V + 13.5
S10HS, S10HM 20V + 13.5
If the obtained Fa is smaller than the maximum thrust of the shaft-type linear servo actuator,
condition 1 is satisfied.
Maximum thrust (N)
S6SS, S6SM 60
S8SS, S8SM 100
S8HS, S8HM 140
S10SS, S10SM 260
S10HS, S10HM 320
[Slider weight]
S6SS, S6SM : 1.4kg
S8SS, S8SM : 1.7kg
S8HS, S8HM : 2.0kg
S10SS, S10SM : 3.5kg
S10HS, S10HM : 4.0kg
V: Slider speed (m/s)
(Achieved speed is used in
a triangle wave operation.)