OE Max Controls CSDJ Plus User Manual page 216

Appendix F. Motor Capacity Selection
• This is an example of speed control
(1) Speed Diagram
(2) Rotation Speed
· Load axis rotation speed
· Motor rotation speed.
Thus,
(3) Load Torque
µ ⋅ ⋅
98 . M P 98 0 2 500 0 01
= =
T B
l π ⋅ η
2 R
(4) Load Inertia
· linear movement Part
π
· Ball Screw
ρ
=
J
B
32
· Mass of the linear movernent part
· Diameter of the ball screw
· Outer diameter of the coupling
· The number of times of transfer
60
=
t
Here
=
t
a
V 15
= =
N
P 0 01 .
B
This is direct coupling, Reduction ratio is 1/R = 1
= ⋅ =
N N R 1500 1 1500( / min)
M
× × ×
. . .
=
173 . ( N m
π × ×
2 1 0 9 .
P
= × ( ) 2 =
B
J M 500
L 1 π
2 R
π
× × = × . ×
4
L D 7 87
B B
32
· Load Speed
· Length of the ball screw
· Ball Screw Lead
· Mass of the coupling
· Transfer distance
· Transfer time
· The coefficient of friction
· Mechanical efficiency
60
= = 1 5 . (sec)
n 40
=
t t
a d
´ .
60 60 0 275
- = . - =
t 1 2 0 1
m
V 15
=
1500 ( / min) r
× =
r
⋅
)
.
0 01
-
( ) = . ´ 4 ( ×
12 7 10 kg
π
×
2 1
× . × . = . ×
3 4
10 1 4 0 04 27 7 10
: =15m/min
: M = 500kg
: L = 1.4m
B
: D = 0.04m
B
: P = 0.01m
B
: M = 1kg
K
: D =0.06m
K
: n = 40/min
: λ = 0.275m
: t = 1.2s or less
m
: μ = 0.2
: η = 0.9
. (sec)
2 )
m
- ( × )
4 2
kg m
F-1