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Chain Link Removal and Chain Elongation
When chain links need to be removed in order to keep the chain tensioned properly,
it is a sign that the chain is becoming elongated. To estimate when the chain
elongation is approaching 2%, requiring replacement, calculate the quantity of
removed chain links.
Refer to the following example to determine when to check chain elongation:
For a 100-foot conveyor, the chain is approximately 200 feet long.
One chain link (center-to-center distance between two extended pins) is 1.25
inches.
Multiply 200 × 12 = 2400 inches
Multiply 2400 × 2% = 48 inches
Divide 48/1.25 = 38 links
In this example, after removing approximately 30 chain links, it's time to check
chain elongation.
Note: Record the number of chain links removed during every chain tensioning,
and keep a running total of all chain links removed from the chain. This information
is helpful in determining if the chain is close to 2% elongation.
Pallet Accuglide ZoneFlex Accumulation Conveyor
February 14, 2018
Maintenance Manual
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| 29334206
Service and Repair
47
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