Parker LCB Series - Required Drive Torque; Location of Mass Barycenter or Point of Force Application

Parker EME
Product Description
192-510014 N04 March 2010 35
4.3.2. Required drive torque
The diagrams include both acceleration and friction forces!
LCB040 – required drive torque
horizontal mounting position vertical mounting position (upward acceleration)
3,2
2,8
2,4
2,0
1,6
1,2
0,8
0,4
0,0
0123456
A
n
t
r
i
e
b
s
m
o
m
e
n
t
/
D
r
i
v
i
n
g
t
o
r
q
u
e
[
N
m
]
Nutzlast / Payload [ kg]
(1) a = 0m/s
2
(2) a = 1m/s
2
(3) a = 2m/s
2
(4) a = 3m/s
2
(5) a = 5m/s
2
(6) a = 7m/s
2
(7) a = 10m/s
2
(8) a = 20m/s
2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
3,2
2,8
2,4
2,0
1,6
1,2
0,8
0,4
0,0
0123456
Nutzlast / Payload [ kg]
(1)
(2)
(3)
(4)
(5)
(6)
(7)(8)
(1) a = 0m/s
2
(2) a = 1m/s
2
(3) a = 2m/s
2
(4) a = 3m/s
2
(5) a = 5m/s
2
(6) a = 7m/s
2
(7) a = 10m/s
2
(8) a = 20m/s
2
(1): Constant movement
(8): Acceleration
LCB060 – required drive torque
horizontal mounting position vertical mounting position (upward acceleration)
14,0
12,0
10,0
8,0
6,0
4,0
2,0
0,0
0 5 10 15 20 25 30
A
n
t
r
i
e
b
s
m
o
m
e
n
t
/
D
r
i
v
i
n
g
t
o
r
q
u
e
[
N
m
]
Nutzlast / Payload [ kg]
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(1) a = 0m/s
2
(2) a = 1m/s
2
(3) a = 2m/s
2
(4) a = 3m/s
2
(5) a = 5m/s
2
(6) a = 7m/s
2
(7) a = 10m/s
2
(8) a = 20m/s
2
4,0
2,0
0,0
8,0
6,0
4,0
2,0
0,0
0 5 10 15 20 25 30
Nutzlast / Payload [ kg]
(1)
(2)
(3)
(4)(5)(6)(7)
(1) a = 0m/s
2
(2) a = 1m/s
2
(3) a = 2m/s
2
(4) a = 3m/s
2
(5) a = 5m/s
2
(6) a = 7m/s
2
(7) a = 10m/s
2
(8) a = 20m/s
2
(8)
(1): Constant movement
(8): Acceleration
4.3.3. Location of mass barycenter or point of force application
2:1 rule
Displayed at the example of the pitching moment, is also valid for rolling and yawing moments respectively
l
L
= load lever
l
T
= support lever
l
T
CoG
l
L
F
l
L
< 2 x l
T
!