A conveyor pulley is a mechanical device used to change the direction of the belt in a conveyor system, to drive the belt, and to tension the belt. Modern pulleys are made of rolled shells with flexible end disks and locking assemblies. Early pulley engineering was developed by Josef Sitzwohl Josef Sitzwohl, "Welded Conveyor Pulleys", Victoria, Australia, 1948 in Australia in 1948 and later by Helmuth Lange Helmut Lange, 1963 Leibniz University Hannover Ph.D. Thesis and Walter SchmoltziSchmoltzi, W, "Designing Drums with transverse Shafts for Belt Conveyors". Thesis for Doctorate in Engineering, Hannover, 1974. in

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

Components

Pulleys are made up of several components including the shell, end disk, hub, shaft and locking assembly. The end disk and hub may be one piece. The locking assembly may also be replaced with a hub and bushing on lower tension pulleys. The shell is also referred to as the rim in some parts of the world. The pulley shaft is typically sized following CEMA B105.1 in the Americas or AS 1403 in Australia.

Design programs

* Pulley Maven, software for designing and analyzing conveyor pulleys * Conveyor Soft, pulley design program * Helix delta-d Conveyor Pulley to AS1403 Software

Historic manufacturers

Pulley manufacturers in East Germany (DDR) in 1962 included Zemag, Lauchhammer, and Köthen.Von Jonnes Bahr, 1962, Neue Probleme der Bantechnik, Freiberger Forschungs-Hefte A 207, Akademie-Verlag, Berlin, S. 55-72.

References

Simple machines Mechanical power transmission Belt drives Bulk material handling Material-handling equipment {{engineering-stub