Rubber Lagging Pulley
Rubber lagging pulley is to cover a layer of rubber on surface of the steel drum by hot vulcanization or cold bonding process, which is used to reduce the wear of the metal and protect to extend the service life of the conveyor belt.
About this product
Product information from the supplier.
Detail Description
The types of rubber that can be used to cover the drum are: NBR, CR, HYPLON, PU, SBR, SR, and so on. Which can be customized according to your product using environment and product design requirements.




Product Parameters
General rubber performance parameters as follows:
- 1:physical and mechanical properties of surface rubber:
| Test items | Request | Actual Test | Conclusion | |
| MPa tensile-strength (Mpa) | ≥18 | 20 | qualified | |
| Elongation at break(%) | ≥300 | 317 | qualified | |
| Permanent set of pull-apart(%) | ≤25 | 24 | qualified | |
| SHAW type A Hardness | Bend Pulley | 60~70 | 70 | qualified |
Driving pulley | ≥70 | |||
| Abrasion Loss(mm3) | ≤90 | 88 | qualified | |
| aging coefficient(70℃×168h) | tensile-strength | -25~+25 | 20 | qualified |
change rate(%) | ||||
Elongation | ||||
at break change rate | ||||
2:physical and mechanical properties of bottom rubber:
Test Items | Request | Actual Test | Conclusion |
MPa tensi l e-strength(Mpa) | ≥30 | 30 | qualified |
elongation at break(%) | ≥300 | 330 | qualified |
anti-breakdown strength(Mpa) | ≥69 | 80 | qualified |
heat-resistance (℃) | 80 | 85 | qualified |
Adhesion strength between rubber and metal(Mpa) | ≥4.0 | 4.9 | qualified |
Adhesion strength between rubber and metal after heat treatment(Mpa) (hot air method for heat treatment,temperature 1452±2℃,time:150 minutes.) | ≥3.2 | 5 | qualified |
Diagrammatic Drawings and Parameters
Diagrammatic Drawings and Parameters for Rubber Lagging Pulley:

Belt Width (mm) | Φ1 | Φ2 | L | L1 | L2 | D1 | D2 | D3 | t1 | t2 | a | m | h | b | n | u | v | Remarks |
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