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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 rolled knife edge to meet your requirements we can custom machine one!

Knife edge roller material options

White knife edge roller with a central hole.

A180 - all-rounder up to 90°C

  • The FDA-compliant all-rounder
  • Good media-resistance
  • Tight deflection radii
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Light blue cylindrical roller with a central hole.

A350 - media-resistant up to 180°C

  • Compliant with EC regulation 10/2011 EC
  • For use with temperatures up to +180 °C
  • FDA compliant
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Blue knife edge roller with a central bore.

A250- high speed up to 90°C

  • Wear-resistant
  • FDA and EU10/2011-compliant
  • Low required drive power
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P210 knife edge roller with a central bore.

P210- all-rounder up to 100°C

  • Specialist for pivoting & rolling applications
  • Belt deflection 100% lubrication-free
  • Good coefficients of friction and wear
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H1 knife edge roller with hollow centre.

H1: high media resistance

  • Endurance runner with high media resistance
  • Very low coefficient of friction
  • High resistance to temperature and chemicals
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Blue stock bar above stacked plastic plates in different colours.

Custom machined options

  • Do you need a custom roller?
  • We can design and machine a bespoke component for your application.
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Rollers in different materials and colours in front of a technical drawing.

To roller overview page

  • We have guide roller, pulleys, conveyor rollers and many more variants of rollers available in stock and ready to ship.
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What are the benefits of iglidur knife edge rollers?

Robust

Withstand high temperatures, strong vibrations and more

Dirt-resistant

Can even be used in sand, shavings and dust

Corrosion-free

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

Hygienic

Do not require lubrication and are optionally available FDA-compliant

Lightweight

Lighter than comparable metal guide rollers

Versatile

Different materials allow for an exact customisation to your application.

Where are knife edge rollers already being used successfully?

Conveyor belt and sensor unit on a production line.
"Our systems are used around the world, and they do not fail. iglidur knife edge rollers simply work and have hardly any noticeable wear. They are also easy to assemble, and our customers do not need to spend time maintaining them."

Jürgen Werner

Design Engineer, Krones AG

Rolled knife edge 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.

A conveyor belt moves metal containers through a packaging line.

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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iglidur knife-edge rollers guiding bottles along a conveyor curve.

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.

iglidur on a conveyor belt in food production, FDA-compliant.

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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knife edge roller application

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Contact details

Seán Ryan
Seán Ryan086 0329555Submit form

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