Conveyor pulley
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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[1] in Australia in 1948 and later by Helmuth Lange[2] and Walter Schmoltzi[3] in Germany.
Components
[edit]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
[edit]- Conveyor Soft, pulley design program
- Helix delta-d Conveyor Pulley to AS1403 Software
- Pulley Maven, software for designing and analyzing conveyor pulleys
Manufacturers
[edit]Pulley manufacturers in East Germany (DDR) in 1962 included Zemag, Lauchhammer, and Köthen.[4]
See also
[edit]References
[edit]- ^ Josef Sitzwohl, "Welded Conveyor Pulleys", Victoria, Australia, 1948 [full citation needed]
- ^ Helmut Lange, 1963 Leibniz University Hannover Ph.D. Thesis
- ^ Schmoltzi, W, "Designing Drums with transverse Shafts for Belt Conveyors". Thesis for Doctorate in Engineering, Hannover, 1974.
- ^ Von Jonnes Bahr, 1962, Neue Probleme der Bantechnik, Freiberger Forschungs-Hefte A 207, Akademie-Verlag, Berlin, S. 55-72.
External links
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