Steel Cord Conveyor Belt Research Articles

Determination of the natural frequencies of transverse vibration for conveyor belts with orthotropic properties

A non-dimensional frequency parameter γ has been determined for each mode of vibration of plate-like structures with orthotropic properties. This parameter depends on the type of plate boundary, the plate rigidity and the aspect ratio. Expressions for γ are derived for plates with simple supports in the direction of the applied load and with clamped and free boundaries on the other edges. Values of γ are computed as a function of plate aspect ratio. From computer plots of γ(r), approximate expressions for γ are developed and applied to the calculation of modal frequencies of steel cord conveyor belts.

The metallic soaps of napthenic acids — Part 3

Cobalt naphthenate has been employed in adhesives for joining metals and rubber e.g. steel cord tyres and conveyor belts, to promote adhesion, and in elastomeric compounds for adhesion to brass‐ plated metals. It has also been employed in hardeners for epoxy resin adhesives, and as a reducing activator in the manufacture of anaerobically‐cured adhesive systems.

A magnetic transducer for testing steel-cord deterioration in high-tensile strength conveyor belts

A non-contacting system for measuring the deterioration of reinforcing cables in moving steel-cord conveyor belts is described. Belt strength is reduced by corrosion of the cords and by breaks in cords caused by impact loading. Corrosion and breaks are detected simultaneously by a variable magnetic reluctance transducer. The composite signal is separated by filters and processed to produced two time-coincident signals representing steel-cord mass and breaks. Together, these signals completely describe the condition of the belt's reinforcing.