TM5-3810-305-10
Table 4. Terminal Efficiencies (Approximate)
Efficiencies are based on nominal strengths
Method of attachment
Efficiency
Rope with IWRC* Rope with FC**
Socket-Spelter or
1 0 0 % 1 0 0
%
Swagged Socket
95%
(Not Established)
Mechanical Spliced Sleeve
1 in. (25.40 mm) Diameter
and Smaller
95%
92.5%
—
I
Loop or Thimble Splice
Hand Spliced (Tucked)
(Carbon Steel Rope)
1/2 in. (12.70 mm)
86%
86%
Loop or Thimble Splice
Hand Spliced (Tucked)
(Stainless Steel Rope)
1/2 in(12.70 mm)
76%
Wedge Sockets***
(Depending on Design)
75 to 95%
75 to 95%
Clips***
(Number of Clips Varies
with size of Rope)
80%
80%
*IWRC. - Independent Wire Rope Core
,
.
**FC - Fiber Core
Socketinq
***Typical values wnen applied properly.
Refer to fittings manufacturers for exact
values and method.
All wire rope elements must be held securely by
the terminal. If this is not accomplished, the
Improperly attached wire rope
strands will “loaf on the job” and there is every
terminals lead to serious or
likelihood that a strand will become “high”
possibly unsafe conditions.
(Figure 4-33). Selective abrasive wear of the
Failure to follow this procedure
loose strand will necessitate early removal of the
could cause DEATH or serious
rope.
injury.
Figure 4-33. A "High" Strand
4 - 3
6
Wire Rope
Resin Attachment
