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Installing/Mounting
5.4 Chain reel
Reel size and compartment diameters
The size of the reel is determined by the requirements of the specific conveyor application
and the selected chain loading. The width of the conveyor (18" [46 cm] through 96" [244 cm]
belt conveyor), its incline, and its general construction determine the reel cross member
length and section sizing for that member.
Compartment disc diameter is determined by the following:
• Chain length, pitch, and roll diameter
• Wire rope and chain wrap around the reel drum
• Chain wrap around the successive wraps of chain
• The number of rolls in a given wrap increase with each revolution of the reel
• The number of wraps the reel disc holds depends on the given chain parameters (as few
as one to two wraps, to as many as nine wraps)
• Overall wrap diameter varies from about 12" (30.5 cm) for the shortest chain to about 60"
(152 cm) for the longest chain.
Specifications
• 6" (15 cm) pitch test chain, 20 ft (609 cm) long
• 42 rollers long, 41 pitches long
• roll diameter: 3.75" (9.5 cm)
• disc diameter: 36" (91.5 cm)
12
Operating Instructions, 10/2021, A5E32310082-AB
Milltronics Test Chain
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