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knife edge rollers for conveyor applications

Knife edge rollers are small rollers which form a continuous
gliding edge on conveyor belts. It enables product to glide smoothly between belts. Unsurprisingly they are commonly found on the edge of conveyors, providing a lubrication-free and precise guide system.

igus® has developed a range of knife edge rollers in their iglidur® materials. These rollers offer a tight deflection radius and require a very low amount of drive power. They are easily assembled and are extremely cost effective. If we can't offer you a standard roller to meet your requirements we can custom machine one!

Would you like more information about iglidur® or do you need a consultation? Our experts will be happy to get in touch with you.

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knife edge roller options

A180 knife edge roller

The FDA-compliant all-rounder
Good media-resistance
Tight deflection radii

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A350 knife edge roller

Compliant with EC regulation 10/2011 EC
For use with temperatures up to +180 °C
FDA compliant

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A250 knife edge roller

Wear-resistant
FDA and EU10/2011-compliant
Low required drive power

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P210 knife edge roller

Specialist for pivoting & rolling applications
Belt deflection 100% lubrication-free
Good coefficients of friction and wear

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H1 knife edge roller

Endurance runner with high media resistance
Very low coefficient of friction
High resistance to temperature and chemicals

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Custom machined options

Do you need a custom roller?
We can design and machine a bespoke component for your application.

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What are the benefits of iglidur knife edge rollers?

Robust
Withstand high temperatures, strong vibrations and more.

Resistant to dirt
Can be used even in applications involving sand, swarf and dust.

Corrosion-free
Are corrosion-free and media-resistant for use under water.

Hygienic
Do not require external lubrication and are FDA-compliant.

Light
Lighter than comparable guide rollers with metal

Versatile
Different materials allow for an exact customisation to your application.

Knife edge roller applications

Krones relies on iglidur knife edge rollers

Regarding Variopac Pro, a fully automatic all-rounder packaging system, Krones faced a problem in 2005: the system's performance had to be increased by 20 packages per minute. Hence, there was an urgent need for action during the deflection of the conveyor belts. Originally, metal rollers with needle roller bearings were used here; however, they couldn't fulfil the higher performance requirements and were cost-intensive. When looking for an alternative, Krones Design Engineer Jürgen Werner came upon the products from igus GmbH.

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The knife edge rollers are ideal for these conveyors as they allow the following:

Easy gliding
Low coefficient of friction
No lubrication.
Hard wearing
Easy to replace.

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Use in food processing

It is not only raw bakery products that present the machine manufacturer in the food sector with considerable challenges. If two conveyor belts are butt-jointed to each other, the radii of the guide rollers result in a gap between the two belts. The risk: sensitive products, such as raw pasta products, simply slide into the gap between the conveyor belts.

To transfer these products safely from belt to belt, the deflection radii of the conveyor belts and the gap between the belts must be kept as small as possible.

Food industry

Food and Packaging industry

Conveyor rollers are essential in the Food and Packaging industry. Having a large range of FDA and EU compliant knife edge rollers allows customers to have peace of mind that there is no contamination.
The iglidur® A180, A350 and A250 knife edge rollers are all FDA/ EU 10/2011 compliant.
All FDA products have full certification and can be found on the website.

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