CEMA Safety Committee, PDF, SBP 004 Supplemental Guarding for Unit Handling Conveyors 
Prepared by the CEMA Conveyor Chain and Sprocket Section, this report covers sprockets used with a wide range of chain and belt types, including standard roller chain, agricultural chain, forged chain, cast chain, welded steel (mill and drag) chain, elevator chain, and plastic chain and belt systems. Each section explains common construction methods, materials, hub styles, and application considerations, supported by clear illustrations.
The report also includes a general technical note on chordal action, explaining its causes, effects on wear and vibration, and methods to minimize it through proper sprocket selection and system design. While not exhaustive, the document addresses the sprocket types most commonly encountered in typical industrial conveyor applications.
This publication is advisory in nature and is provided free of charge as a service to the conveying industry.
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Document Type: Technical Report
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Committee/Section: Conveyor Chain and Sprocket Section
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Intended Audience: Engineers, designers, maintenance professionals, system integrators
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Applies To: Conveyor chains and belt-driven conveyor systems
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Approval Date: March 2019
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Length: 11 pages
Digital PDFs are a single-user product with usage granted by CEMA for personal use only.
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All CEMA PDFs are copyrighted.
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