CEMA Standard #502-2022, PDF, Bulk Material Belt Conveyor Troughing/Return Idlers

Pages: 55
Publish Date:  2016, Revision 2019
ISBN: 978-1891171-46-8

In 1998 the edition added technical data for expanded belt widths on CEMA C, D, and E Rollers and Returns. Tables all were reformatted for better access.

In 2001 the edition additions were made to technical data for CEMA C, D, and E Picking Idlers, Live Shaft Idler Dimensions and Load Capacities for Rubber Disc and Steel Tube Designs and modifications to: Idler Selection Procedures to include Impact Idler Selection.

In 2004 the edition was reformatted for tables for CEMA B, C, D, and E Troughing Idlers, Picking Idlers, and Return Idlers for easier reference. The Idler Diagrams were redrawn to conform to the revised tables; added CEMA Class F Idlers; reformatted and consolidated CEMA Load Ratings, and Capacities Tables.

In 2016 the editions Members of the Idler Committee added: Metric Vales to all tables; CEMA Roll Run-Out (TIR) Standard; Metric Idler Selection Example; and International Standards Comparison.

In 2019 the edition revision was to the CEMA G Idler Dimensions that were adjusted to consider the dimensions of the CEMA F Idlers (this adjustment occurred due to values that were less than those associated with the CEMA F Idlers).

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