5
■
Select the chain diameter based on the customer’s order specifications.
<Selection example>
Select the chain size, naming as an example the assembled products mentioned
in the catalog
.
(See the catalog for the outer shape of the sling.)
assembled products: Double-leg sling D-VD-VSL4
Actual load: 2.5 t
Angle of loading: 90°
Ambient temperature: Normal temperature
The chain diameter of 8 mm is selected from “Table 1. Slinging Methods and Working Load Limits”.
3-2 Preparing the Components (Hooks and Fittings)
■
Select the top and bottom fittings based on the chain diameter and number of chain legs selected in 3-1
in line with the customer’s order specifications.
■
In case of the assembled products in the catalog, select the required components, seeing
“Chapter 5. List of Required Chain Length and Required Components for assembled products”.
■
A chain pin kit is enclosed in the same package as the fittings and hooks.
<Selection example>
In case of the assembled products, chain diameter = 8 mm
3-3 Determining the Chain Length
Cut the chain with a high-speed cutting machine or a chain cutter.
3-3-1 Calculating the assembled products
■
See “Chapter 5. List of Required Chain Length and Required Components for assembled
products”. See the catalog for the P-dimension of the fittings components.
Table 2. Working Load Limits due to Temperature
Temperature
Working load limit (%)
Over –40ºC to 100ºC
100
Over 100ºC to 200ºC
90
Over 200ºC to 300ºC
75
Over 300ºC to 350ºC
65
Over 350ºC to 400ºC
60
Over 400ºC
Unacceptable
When using the chain sling in a high-
temperature environment, or when using it
again under normal temperature after using in
a high-temperature atmosphere, reduce the
working load limit as shown in Table 2 according
to the temperature.
Conditions
The double, triple and quadruple types may use the fittings components such
as clevis Master Links or Master Links one or two sizes larger than the chain
diameter. Select them carefully.
CAUTION
CAUTION
In case of Clevistype
D-VD-VSL4
Q-VD-VSL4
clevis Master Link VD (VD20807), 1 pc.
Sling hook VSL (VSL4080), 2 pcs.
clevis Master Link VD (VD21008), 1 pc.
Dual connector VB (VB2080), 2 pcs.
Sling hook VSL (VSL4080), 4 pcs.
In case of Eyetype
Q-HMM-HTL4
Q-HMF-HTL4
(Master Link with Sub Links)
Master Link HMM (HMM1310), 1 pc.
Sling hook HTL (HTL4080), 4 pcs.
Hi-coupling HC (HC3080), 8 pcs.
Hi-coupling HC (HC3100), 2 pcs.
Master Link HMF (HMF08), 1 pc.
Sling hook HTL (HTL4080), 4 pcs.
Hi-coupling HC (HC3080), 8 pcs.
(See the catalog for the outer shape of the sling.)
Do not cut, extend, or weld the load chains. Doing so may break the chains.
DANGER
Summary of Contents for Chain Sling 100
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