igus® has developed its own knife-edge rollers to deflect conveyor belts in materials handling applications. The iglidur® solution is characterised by tight deflection radii and a low level of required drive power.
When to use it?
- When a lubrication-free conveyor belt is
required - When a precise guiding is required
 - When a cost-effective and lightweight
solution is required 
When not to use it?
- When high speeds occur
 - When high forces are applied on the belts
 - When a static knife edge is required