CKD ERL 2-45, Manual, Page: 54 / 64

Vertical load W (N)
Rolling moment MR (N·m)
3-2 Checking the allowable moment during operation
Check that the moment is less than the allowable moment during operation (satisfies the following equation).
M
T
=
W
Wmax
+
MR
1
+ MR
2
MRmax
+
MP
1
+ MP
2
+ MP
3
MPmax
+
MY
1
+ MY
2
+ MY
3
MYmax
<1
M
T
: Resultant moment (must be smaller than 1)
W: Vertical weight (N)
MR: Rolling moment (N·m)
MP: Pitching moment (N·m)
MY: Yawing moment (N·m)
Mounting orientation Wmax (N) MRmax (N ·m) MPmax (N ·m) MYmax (N ·m)
ERL2-45
Horizontal
98 11.1 4.4 4.4
Vertical
- 12.3 4.9 4.9
ERL2-60
Horizontal
294 27.5 8 8
Vertical
- 33.7 9.8 9.8
Allowable load value during operation
ERL2
/
ESD2
Series
H (m)
ERL2-45 0.045
ERL2-60 0.060
M: Workpiece weight (kg)
MR
1
= M × 9.8 × L
MR
1
L (m)
M (kg)
M (kg)
L (m)
H (m)
MR
2
M: Workpiece weight (kg)
M (kg)
W = M × 9.8
W (N)
* Please consider all moments which
act based on the circumstances for
the moment load during operation.
MR
2
= M × 9.8 × (L + H)
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