Belting Glossary - Conveyor Belt Terms and Meanings

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There are currently 23 names in this directory beginning with the letter I.
Idler

(1) A non-powered pulley around which a belt travels (2) a non-powered roll or rolls supporting a belt.
Idler pulley

See idler.
Idler stand

The mechanical system that supports an idler pulley.
Immediate set

The amount of deformation measured immediately after removal of the load causing the deformation.
Impact

The single instantaneous stroke or contact of a moving body with another either moving or at rest, such as a large lump of material dropping on a conveyor belt.
Impact energy

The effective combination of force (weight of the body and height) when one body falls on another.
Impact force

The energy power of impact.
Impact idler

A belt idler having a resilient roll covering, resilient molded elastomer rings, pneumatic tires, springs or other means of absorbing impact energy at or close to the place where material contacts the belt.
Impact rating

The maximum rating of a belt construction based on the fabric, impact rolls, design of loading, size of material falling on the belt, relative speed of the material and the belt, etc. to withstand the energy of impact loading.
Impact resistance

The relative ability of a conveyor belt assembly to absorb impact loading without damage to the belt.
Impregnated

Fabric interstices filled and/or yarns saturated with plastic compound.
Impression

Design formed during vulcanization in the surface of any rubber article by a method of transfer, such as fabric impression or molded impression.
Impulse

An application of force in a manner to produce sudden strain or motion.
Indentation

(1) The extent of deformation by the indentor point of any one of a number of standard hardness testing instruments; (2) A recess in the surface of a belt cover.
Initial tension

see tension, initial.
Inside length

A belt length measured along its inside circumference.
Installation allowance

The amount by which the center distance can be adjusted so a belt can be installed without damaging.
Instantaneous modulus

The ratio of stress to strain at a single point on the stress-strain curve.
Interstice

A small opening, such as between fibers in a cord or threads in a woven or braided fabric.
Interstice of fabric

Spaces between the yarns or cord of a woven fabric.
Interwoven conveyor belt

A type of conveyor belt construction similar to that of a solid woven belt, with plies interwoven such that it is impossible to separate them.
Irons

Strips of metal at the edges of a belt in a flat press to confine the edge elastomer for making a molded edge or to obtain uniform thickness of the edges of a slit edge belt near its edges.
ISO

The abbreviation for the International Organization for Standardization.

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