The Conveyor Equipment Manufacturers’ Association (CEMA) has issued a new standard for the ranking of conveyor belt cleaners, a long-awaited publication that provides performance-based guidelines for specifying belt cleaners by establishing a specific formula for determining the level of difficulty in a given application. The purpose of rating the application difficulty is to provide appropriate belt cleaner selection, resulting in a suitable choice so both end users and suppliers can be satisfied with the outcome. The new standard is included in the 7th edition of the CEMA book, Belt Conveyors for Bulk Materials, in the Belt Cleaning section.
According to CEMA’s website, “The Classification of Applications for Bulk Material Conveyor Belt Cleaning” has been established to provide a uniform method for determining the application class of any individual belt conveyor. “For end users, the standard is an objective means of determining a cleaner’s suitability for the plant’s material and operating conditions, allowing them to specify a cleaner most likely to meet their needs,” stated Daniel Marshall, Product Engineer of MARTIN ENGINEERING. “It also provides a means to check a sales rep’s recommendations against the application requirements, allowing users to compare ‘apples to apples’ in terms of duty rating, performance, and pricing.” Manufacturers voluntarily specify into which class their particular designs fall.
Conveyor engineers are also expected to benefit from the new standard, as they can now specify a belt cleaner rating without relying on a manufacturer’s proprietary technical information. For belt cleaner manufacturers such as MARTIN ENGINEERING, CEMA 576 is a way to confirm that a cleaner matches the application requirements, and thereby assures Customer satisfaction. “An objective method to determine cleaner suitability helps designers by allowing them to specify a cleaner based on its performance and durability,” Marshall continued. “Now subjectivity can essentially be removed from the cleaner purchasing decision to concentrate on system performance. Suppliers can now include a clear ranking on data sheets and other literature, allowing Customers to review and compare products.”
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