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Roller flattening

Roller flattening

Return your belt to flatness

A belt that has become concave or convex during operation affects product quality. The 3-roller method of belt flattening is a tried and tested solution. 

IPCO service expertise

Far-reaching

80+

Skilled service technicians across 25 countries

Experienced

100 years

IPCO introduced the first bake oven belt in 1925

Trusted

2,200 interactions per year

To support and sustain customer operations

A reliable solution for concave or convex belts

Some processes require a totally flat belt. If a belt has become concave or convex over time, or has other deformations, any liquid product deposited on the belt will become unstable and pool. Not only is product quality affected, but the belt’s lifetime will be shortened if this is not addressed. It may cause uneven or accelerated wear on other machine parts.

Roller flattening is a proven method to restore belts to flatness. The set-up is straightforward and success relies on the skill of the operator. IPCO uses a 3-roller leveling system to flatten steel belts in different types of machinery along their entire length.

The benefits of roller flattening include:

  • Improved quality of end product

  • Prolonged belt life

  • Less likelihood of unexpected repairs/downtime

  • More efficient production

This method is suitable for belts where shotpeening cannot be applied.

The service is carried out by trained and trusted IPCO service technicians. Depending on the belt dimensions, the service takes 1–2 days, during which time production on the line must be paused. Adjacent lines can continue to run.

How roller flattening works

  1. The tool is placed so the belt runs between the two rollers’ assemblies. In the assemblies, one radial ball bearing is positioned on the convex side of the belt and two on the concave.

  2. The height is carefully adjusted so the ball bearings create optimal pressure against the belt.

  3. The belt is run slowly for one or two complete revolutions.

  4. The tool is then adjusted 20 mm to the side and the belt is run again. This process is repeated until the entire belt is flattened.

Why IPCO for roller flattening?

IPCO developed and installed the very first steel belt conveyor over a century ago and we have been building our expertise ever since. We install and maintain belts used in countless industrial processing applications around the world, with approximately 10,000 currently in operation.  

Our service engineers are IPCO-trained and familiar with a wide range of customer applications. Our global footprint means that, wherever you are located, there are IPCO trained service engineers within easy reach. We never use local freelancers or contract technicians.  

Roller flattening with our 3-rollers leveling system is: 

  • A straightforward, reliable solution to belt deformation 

  • Suitable where a shotpeener cannot be applied (e.g. where the belt is convex or in food applications) 

  • An economical way to restore your belt 

  • Always carried out by experienced IPCO technicians 

  • A clean process with no fumes or run-off 

IPCO as a partner

Why roller flattening matters

A concave or convex belt presents an uneven surface that affects heat and/or pressure distribution and will reduce product quality. It can also impact equipment that touches it, causing damage over time.

It’s important to take action as soon as you spot the problem, as it will become worse if left untreated. Roller flattening resolves the issue fast, even for belts with baked on residues. 

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