5. Free Flow Chains
(7) There will be a gap between head and tail sprockets of two separate DOUBLE PLUS ® conveyors when they are positioned in one line. Install a pallet-supporting roller in the transition area (Figure 5.8).
Pallet-Supporting Roller
Conveying Surface
Direction of Travel
Sprocket
Conveying Surface
Direction of Travel
Pallet-Supporting Roller
Sprocket
Figure 5.8 Placement of Pallet-Supporting Rollers
Technical Trends (1) Small objects, such as screws, may fall between exposed chain compo- nents, which can jam the system. Snap covers have been developed to prevent small objects from jamming the line (Figure 5.9). (2) Besides chain, sprockets, and guide rails, many conveyor components, such as pallet guides (to control side-to-side motion) and brackets, have been designed for DOUBLE PLUS ® Chain and guide rails. They are available as kits. Manufacturers are also expected to develop software packages to aid the conveyor designer in selecting the proper chains and components. (3) There are DOUBLE PLUS ® Chains with steel rollers for heavy loads.
Snap Cover
Figure 5.9 Snap Covers on DOUBLE PLUS ® Chain
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