Table of Contents
Advertisement
Inertial Moment Converted on a Motor Axis with a Gearbox
J
To obtain the required mechanical speed, a pulley and gears that can accelerate and decelerate are some-
times used. In Fig. 15.8, the load inertial moment converted to the motor axis as gear ratio a can be ex-
pressed using the following formula.
J
M
A simplified diagram of the rotation circumference is shown in Table 15.1.
Table 15.1
Rotation axis is
the same as the
Solid cylinder
cylinder center-
2
(D
= D
line
Rotation axis
Right-angle
passes through
box
the center of
2
2
D
= (b
+ c
gravity
Sphere
= 2
2
D
D
5
Cone
= 3
2
D
D
10
Rotation axis is
Right-angle
at one tip
box
2
2
D
= (4b
Rotation axis is
Right-angled
outside rotator
box
2
= 4b
+ c
2
D
3
+ 4 (bd + d
General equation
The general equation for the rotation circumference when the rotation axis
when rotation
is outside the rotator is shown below.
axis is outside ro-
2
D
= D
tator
2
D
: Rotation circumference when the axis parallel to the rotation
1
axis and whose center of gravity passes through the rotation axis is
hypothetically the rotation axis.
N
J
J
2
M
L
L
2
=
=
⋅
(kg
m
)
N
a
2
2
L
Simplified Diagram of the Rotation Circumference
2
∕2)
0
2
)∕3
2
0
2
0
c
2
+ c
)∕3
c
2
2
)
2
2
+ 4d
1
15 -9
Hollow cylinder
2
2
D
= (D
+ D
0
1
c
Cylinder
2
2
D
= L
∕3 + D
0
Hollow sphere
D
5
− D
= 2
0
2
D
·
5
3
D
− D
0
Circle
+ 3
2
2
D
= D
D
0
4
Cylinder
D
= 4
0
2
2
D
L
+
3
4
Cylinder
D
= 4
0
2
2
D
L
+
3
4
2
+ 4 (dL + d
15.2 Basic Inverter Drive mechanics
D
0
D
2
1
)∕2
D
0
2
∕4
D
0
5
1
3
1
D
1
2
1
D
0
2
D
0
2
)
d
Center of
gravity
Rotation
axis
15
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
