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The idler can be selected and modified for the specific conveyor case being evaluated in the Idler tab on the main Screen. The idler must, in general, be specified in an idler database; the list of available idler databases is in the pull down list for the idler Specification on the Idler table. The Edit Idler Database screen is accessed from the Data menu item.

•Rating

•Angle specifies the angle from horizontal to the outermost roll. For multiple roll idlers, assume that the angle between adjacent rolls is equally distributed.

•Number of Rolls

•Roll Diameter

•Roll Lengths

•Roll Shell Material will affect idler life, and the friction associated with a misaligned idler.

•Bearing Type

•Ai Roll Drag  

•L-10 Hours Rating is the basic rated life that 90% of the bearings will achieve before metal fatigue occurs.

It should be noted that idler life is determined by a combination of many factors, such as seals, bearings, shell thickness, belt speed, lump size, maintenance, environment, temperature, load, etc.

See also: Idler Tab, Edit Idler Database.