10. Verification of maximum torque
Acceleration torque =
T
a
= 0.047
[N
∙
m]
< 0.71
[N
∙
m]
(GP series 50 W, 1/5 gear, Permissible torque at output shaft of gear head)
11. Verification of effective torque
12. Load torque, load inertia moment are cleared specification.
1.Mechanism
Workpiece weight
W
A
=
2
[kg]
(including belt)
Pulley diameter
P
D
=
0.05
[m]
Pulley weight
W
P
=
0.5
[kg]
(Use manufacturer-specified catalog value, or calculation value.)
Mechanical efficiency
B
Ѡ
=
0.8
Coupling inertia
J
C
=
0
(Direct connection to motor shaft)
2. Running pattern
Acceleration time
t
a
=
1.0
[s]
Constant-velocity time
t
b
=
1.0
[s]
Deceleration time
t
d
=
1.0
[s]
Cycle time
t
c
=
4
[s]
Travel distance
1
[m]
3. Load inertia
J
L
=
J
C
+
J
B
+
J
P
=
J
C
+
W
A
×
P
D
2
+
W
P
×
P
D
2
× 2
= 0 + × 2 × 0.05
2
+ × 0.5 × 0.05
2
× 2
= 0.00156 = 15.6 × 10
–4
[kg
∙
m
2
]
4. Provisional motor selection
In case of GP series 50 W, gear ratio 1/15. Permissible load inertia moment = 30.6 × 10
–4
[kg
∙
m
2
]
5. Inertia moment compared
30.6 × 10
–4
[kg
∙
m
2
]
> 15.6 – 10
–4
[kg
∙
m
2
]
T
a
2
×
t
a
+
T
f
2
×
t
b
+
T
d
2
×
t
d
t
c
Trms =
0.047
2
× 0.7 + 0.035
2
× 1.3 + (–0.023)
2
× 0.7
4
=
= 0.030
[N
∙
m]
< 0.71
[N
∙
m]
(GP series 50 W, 1/5 gear, Permissible torque at output shaft of gear head)
1
4
1
8
1
4
1
8
Time
Velocity
Travel distance
(slashed area)
Stop
time
Deceleration
time
Cycle time
Acceleration
time
Constant-
velocity time
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Summary of Contents for MINAS-BL GV series
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