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Steel Cord

Steel Cord conveyor belting is used in industries where strengthis vital to convey materials in areas such as:
• Open cut & undergrounds mines
• Harbours
• Metallurgy
• Power stations
• Chemical plants etc.

1. Belts reinforced with Steel Cords deliver extremely high strengths.
When operating tensions in excess of 200 kN/m are required, belts reinforced with Steel Cord are the only alternative and today belts are being designed for ratings up to ST 10000. However, due to its numerous advantages, Steel Cord belts are increasingly used even in ratings as low as ST 630.

2. Steel Cord Conveyor Belts have a long life expectancy.
Conveyor Belts with Steel Cord reinforcement members are virtually maintenance-free and can be supplied with increasingly thicker rubber covers for the same rating. The
carcass, having a minimal risk of failure, yields very long life, sometimes even lasting for the entire duration of the project without affecting the overall design.

3. Large Centre Distances can be planned.
Steel Cord Belts have very low elongation and resultantly systems with large centre distances can be planned, without having to account for limitations of take-ups and transfer points.

4. Low Pulley Diameters can be used.
For the same rating, the thickness of the tension member in Steel Cord belts is considerably lower than that in a fabric reinforced belt (carcass thickness) and hence is able to operate with lower pulley diameters.
The superior dynamic modulus of the Steel Cords over the fabric carcass also ensures that fl ex fatigue sets in very slowly making the selection of lower pulley diameters technically viable.  Again the safety factor requirements for Steel Cord Belts are 6.67 against 9 – 10 for Textile Conveyor Belts, and therefore when compared with textile belts of equivalent rating the difference in pulley diameters becomes even more striking.

5. Low Elongation, high impact resistance.
The elongation of Steel Cord Belt is a function of elastic modulus of the steel and the amount of twist in the cord. The very low elongation of Steel Cords makes short take-ups a fact. Typically elongation is down to 0.25% on total belt lengths. The geometry of a Steel Cord Belt provides for greater quantum of rubber per unit volume compared to fabric reinforced belts permitting a more effective absorption of impact energy. Consequently Steel Cord Belts allow discontinuous feed of heavy individual pieces without localized elongation.

6. Excellent Troughability.
Even the strongest Steel Cord Belts trough perfectly on deep troughed idler sites. This ensures easy belt training and the realisation of superior volumetric capacity of the belt, whereby the customer can either convey more material at the same speed or employ narrower Conveyor systems.

7. Long Splice Life and Strength.
Properly provided Belt Splices can last as long as the Belt itself. They can also achieve spliced strength equivalent to almost 100% of the strength of the Belt.

8. Easily Reconditioned and Re-juvenated.
Steel Cord Belts can be repaired with Hot or Cold vulcanization and the damaged edges can be restored to original width by hot repair. Worn out covers can be replaced with fresh rubber durable enough to completely re-juvenate the belt, delivering yet greater economy for the customer.

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