Belting Glossary - Conveyor Belt Terms and Meanings

A planar structure produced by nonwoven or interwoven yarns, fibers, or filaments.

The number of warp ends per inch and the number of filling picks per inch.

The combination of size and numbers of fibers or yarns, in both warp and filling, and the manner in which they are processed.

See fabric impression.

A pattern in the cover of a belt formed by contact with a fabric during processing.

The number of filling (weft) yarns per inch.

The maximum tension per ply of fabric a belt should be operated under ideal conditions.

The outer surface of a pulley or belt.

See top cover.

See belt fastener.

The weakening or deterioration of a material caused by a repetition of stress or strain.

A belt that discharges material onto another conveyor belt.

A unit of matter having a length at least 100 times its diameter and which can be spun into a yarn.

A continuous fiber of extreme length.

A material mixed with a polymer to improve quality or lower cost of a compound.

Extruded polymeric compound used to fill the void between two pieces of belt cover or fabric.

The yarns in a fabric running at right angle to the warp.

The transverse yarns in a fabric.

A sheet of plastic not greater then 0.010″ in thickness.

Belt ends cut into mating fingers.

Equipment similar to a sodering iron to fix fingers of a thermoplastic belt splice in place prior of putting the belt into a watercooled press.

See fabric impression.

See plate finish.

See platen finish.

See flame retardance.

Retards the burning action of fire or flame.

A small globule that has not blended completely into the surrounding material.

The manner in which belting after being ignited will burn and/or self extinguish.

Intensity of flame diminished by fire retardant ingredient(s) in the plastic compound.

A means, under specific condition, for establishing the flame performance of a belt. This will not indicate the performance of the belt in any fire in which the belt may be involved.

A raised edge on a plastic article.

In conveyor belting, an edge built up to prevent spillage.

A pulley with a raised rim at the edges for the purpose of keeping the belt on the pulley.

Material protruding from the surface of a molded part, appearing at the mold parting line or mold vent points.

(1) A belt the cross section of which is in the general form of a rectangle; (2) A belt which operates on a smooth flat bed or straight idlers or rollers.

A belt finishing press with flat platens, between which the belt is heated and compressed.

Thin spots on a conveyor belt surface stored on a flat surface for a long time.

Flattened braided wire, frequently used for armoring the belt.

The lateral movement of a conveyor belt to either side of its intended path.

A surface cracking induced by repeated bending or flexing.

The relative ability of a rubber article to withstand dynamic bending stresses.

A laboratory method used to determine the life of a plastic product when subjected to dynamic bending stresses.

The ability to be bent repeatedly without cracking.

The bending of a belt.

Term often used for a fingersplice of a thermoplastic belt.

A leno or cord breaker embedded in a belt cover with a distinct layer of elastomer separating the breaker from the carcass.

See take-up pulley.

A surface imperfection caused by improper flow and failure of a compound to blend with itself during the moulding operation.

See flow mark.

A surface imperfection similar to a flow crack, but with a minor depression.

Abbreviation for “Feet per Minute”.

The duration of time in minutes required for one complete cycle of a conveyor belt.

(1) The resistance to motion of a belt due to the contact between two surfaces. (2) Improperly used to indicate the bond between two surfaces.

An impregnation of rubber material calendered by friction motion to a fabric so that the material is forced into the weave of the fabric.

See adhesion.

The exposed portion of a belt finished with a layer of impregnated plastic as distinguished from being completely covered with a layer of plastic.

The ration between the force pressing the surfaces together and the force required to move it.

The force which is required to start a body sliding.

Coated with rubber compound on a friction (uneven speed) calender.

Light scattering surface resembling fine crystals.

See rating.

An agent that destroys fungi or inhibits their growth.

An irreversible process during which a PVC compound or platisol undergoes a physical change and becomes a homogeneous mixture by the mutual solvation of the PVC resin and the plasticizer in the compound, as result of heating to an appropriate temperature.