Lagging Selection: Hot Vulcanised Vs Cold Bonded
FOUR PILLARS OF LAGGING PERFORMANCE:
At Elastotec, we believe that pulley lagging is an engineered component of the pulley and it should last as long as the mechanical components of a pulley, such as the bearings and locking elements.
To achieve this, we have established the Four Pillars of Lagging Performance which are:
- Lagging Selection
- Lagging Application
- Lagging Design
- Lagging Quality
The pictures tell the story :
All three pulleys were removed from service due to bearing failure – Pulleys #1 and #2 require lagging replacement as part of the refurbishment, while pulley#3 will be returned to service with the same lagging.
The pulley that has the lagging that can be returned to service was fitted with Elastotec Hot Vulcanised Ceramic Lagging and had been in service since 2017.
- To eliminate the three most common causes of lagging failure – debonding from the pulley shell, edge lifting and separation at the joints.
- To protect the pulley shell from damage through corrosion at the pulley edges and along the joins between strips.
- To provide maximum pulley service life.
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