Wire Rope Hoist
PAGE: 21
Model WR
WR-0214
2721 NE 4
th
Ave Pompano FL, 33064 | (954) 367-6116
Visit WWW.ACIHOIST.COM for the most current information
Figure 4.2.1
Fixing the rope to the drum
Fix the rope end 3 to the drum by clamps 2 and fasten each of them by two bolts 1. The sizes and strength classes of the
bolts are given in Table 4.2.2. The bolts tightening moments are given in Table 4.2.1.
Table 4.2.2
Figure 4.2.2
Table 4.2.1
Clamp’s
Dia.
Nut size,
Tightening
moment, ft.Ib
3/16
3/16
7.5
1/4
1/4
15
5/16
5/16
30
3/8
5/16
45
1/2
1/2
65
5/8
9/16
95
3/4
9/16
130
7/8
5/8
225
1
13/16
225
1-1/4
13/16
360
1-3/8
7/8
360
1-5/8
15/16
360
Effort in rope
Fall (Ton)
Bolt size
Strength
class
0.5
M6 (1/4 In) 8.8 (Grade 5)
1
M10 (3/8 In) 8.8 (Grade 5)
1.6
M10 (3/8 In) 8.8 (Grade 5)
2.5
M12 (1/2 In) 8.8 (Grade 5)
4
M16 (5/8 In) 8.8 (Grade 5)
