CHAPTER 15 APPENDIXES
Calculation of inertia
Shape
15
W
Jz=
8
πρ
=
32
Jx=
Jy=
W=
πρ
4
2
D
103
L
103
D
4
103
2
W
D
W
+
16
103
12
2
L
D
103
103
2
L
103
W : [kg]
D : [mm]
L : [mm]
ρ: [kg/m3]
W
Jz=
8
πρ
=
32
Jx=
Jy=
2
D2
+
103
2
D1
103
L
103
4
D2
-
103
4
D1
103
2
2
W
D2
D1
W
+
+
16
103
103
12
W=
πρ
4
L
103
2
D2
-
103
2
D1
103
2
L
103
W : [kg]
D : [mm]
L : [mm]
ρ: [kg/m3]
Jz=
Jx=
Jy=
W=
W
16
W
16
W
16
πρ
4
2
A
+
103
2
B
+
103
2
A
+
103
2
B
103
2
W
L
12
103
2
W
L
12
103
A
B
L
103
103
103
Jx=
Jy=
Jz=
W=
2
W
B
+
12
103
2
W
L
+
12
103
2
W
A
+
12
103
A
B
ρ
103
103
2
L
103
2
A
103
2
B
103
L
103
W :[kg]
L :[mm]
A : [mm]
B : [mm]
ρ: [kg/m3]
W :[kg]
L :[mm]
A : [mm]
B : [mm]
ρ: [kg/m3]
Jx=
W2
12
Jy=
W2
12
Jz=
W2
12
W= ρ
W2=
ρ
2
B2
+
103
2
A2
+
103
2
A2
+
103
2
L
103
2
L
103
2
B2
103
W1
-
12
- W1
12
- W1
12
2
2
B1
L
+
103
103
2
2
A1
L
+
103
103
2
2
A1
B1
+
103
103
A2
103
B2 -
103
A1
103
B1
103
L
103
A2
103
B2
103
L
103
W1= ρ
A1
103
B1
103
W :[kg]
L :[mm]
A : [mm]
B : [mm]
ρ: [kg/m3]
L
103
15-18 Capacity Selection Calculation