ABACO MACHINES AFJ25-B Manuale operativo - Pagina 11
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IV. APPENDIX:
See how to calculate to choose the forklift truck and the proper
distance from forklift as
Forklift truck's Load
Capacity Specs.
Rated Load
Capacity(tons)
1.5
1.8
2
2.5
3
3.5
4
4.5
5
5.5
7
8
9
10
12
13.5
15
16
Figure 4.1
below:
Method:
-
Choose a forklift truck in according to
the user's demands.
-
To prevent the forklift truck overturning, the
Momen
user must calculate to ensure Moment a of the
a (kgm)
forklift truck greater than Moment of the stone
1234
loading creates
1504
1789
Stands for:
a:
Moment of the forklift truck (kgm)
2278
x:
Load distance from wheel center (pivot) to
2860
center of gravity of the stone (m)
3358
M
stone
4175
Example 1:
We have: x = 1.6mm; M
4714
So,
5878
6476
Refer to the figures of the forklift truck's Load
8162
Capacity Specs., the user shall choose
(Nm)
10058
with
12046
Example 2:
13401
We have a = 3 tons and M
16230
So, a
18680
20772
<=> x ≤
22326
figure 4.1
(
≥
a
x*M
:
Weight of the lifted stone (kg)
≥
a
1.6*2000
≥
a
3200 (kgm)
equates to the forklift truck load capacity
3.5 tons.
≥
x*1500 => x ≤
2860
<=> x ≤ 1.91m
1500
8
).
stone
as figure 1.1
= 2000kg
stone
= 1500kg
stone
a
1500
M
stone
x
a = 3200
.