CKD ERL 2-45, Manual, Page: 53 / 64

ERL2
/
ESD2
Series
Model Selection Guide
Check that the moment is less than the allowable moment (satisfies the following equation) for the configured
acceleration a and d (m/s
2
).
M ́
T
=
W ́
W ́max
+
MR ́
MR ́max
+
MP ́
MP ́max
+
MY ́
MY ́max
<1
STEP-3 Check the allowable moment
3-1 Checking the allowable static moment
M ́
T
: Resultant moment (must be smaller than 1)
W ́ : Vertical load (N)
MR ́ : Rolling moment (N·m)
MP ́ : Pitching moment (N·m)
MY ́ : Yawing moment (N·m)
Slider: center of the slider section
W ́max (N) MR ́max (N ·m) MP ́max (N ·m) MY ́max (N ·m)
Allowable static load
value
ERL2-45
1450 31 12 12
ERL2-60
2000 58 25.7 25.7
Yawing moment MY ́ (N·m)
Vertical load W ́ (N)
Rolling moment MR ́ (N·m)
Pitching moment MP ́ (N·m)
H (m)
ERL2-45 0.045
ERL2-60 0.060
MY
MP MR
W
MY ́ = M × 9.8 × L
M (kg)
L (m)
MY ́
M: Workpiece weight (kg)
MR ́ = M × 9.8 × L
MP ́=M × 9.8 × (L + H)
MR ́
L (m)
M (kg)
M (kg)
M (kg)
L (m)
MR ́ = M × 9.8 × (L + H)
H (m)
H (m) L (m)
MR ́
MP ́
M: Workpiece weight (kg)
M (kg)
W ́ (N)
W ́ = M × 9.8
46