Industrial automation in nonwovens industries

[UPDATED ON SEPTEMBER 2022]

As innovative technology becomes increasingly more available and automation becomes the new norm in plant retrofitting, it is important for companies in the nonwovens industry to move toward the industrial automation of their plants.

This can results in a higher quality product manufactured with increased speed and efficiency at a lower cost. Of course, the initial cost of the implementation of these automation processes can be high, but the money saved each year is substantial.

Savings in key areas include:

  • Maintenance and repair
  • Manual labor
  • Waste of raw materials and final product
  • Energy usage
  • Productivity

There are a few process on the production line that are ideally suited to industrial automation. These would normally require people to perform manual labor that takes time, effort and precision, often resulting in error and reduced productivity. This is human labor that would be better used elsewhere. With that in mind, let’s take a look at the best industrial automation upgrades.

5 components that can benefit from industrial automation

1. Unwinder

The automation of the unwinder is specific to the web tension control system. In conventional web control systems, the tension is controlled by the difference in speed between motorized parts in relation to the Master Roll (winder) and this leads to speed differences between contiguous motorized organs. This system requires frequent manual adjustments to maintain sub-optimal web tension.

With the automation of the unwinder, an additional roller is placed at the exit of the unwinding machine, below which is placed a load cell. The two exit rollers still act in coordination with the movement of the flat belts system. However, web tension is automatically measured by the load cell, which is sensitive enough to detect minute variations in web tension, and controlled by the software.

The benefits of this upgrade are:

  • Reduced bulk loss
  • Product quality improvement
  • Reduced need for manual tension adjustments
  • Reduced occurrence of human error
  • Minimized wasted time
  • Production increase
2. Slitting section

An upgrade to automate the slitting system provides revolutionary improvements in the precision of the machine. The automated system simplifies the precise positioning of the knives and counter-knives during the slitting process.

This upgrade comes with proprietary software with a user-friendly interface that stores the knife settings and makes it easy for the operator to adjust those settings as needed.

This upgrade can made on an existing slitter rewinder with minimal or no structural modifications to the machine. The automation system is fully assembled prior to installation, which minimizes the amount of downtime needed.

The alternative to upgrading an existing system is to switch to A.Celli’s SLITTOMATIC®.

The benefits of an upgrade or replacement of the slitting system are:

  • Improved cutting precision and product quality
  • Cutting format changed without breaking the sheet – only with the automatic positioning web out option (SLITTOMATIC®)
  • Improved operator safety
  • Less interruption to production
  • Reduction of time required for each setting
  • Reduction of measurements errors (the cutting recipes can be loaded automatically from the ERP of the plant to the rewinder)

In addition, both the slitting system upgrade and the SLITTOMATIC® are designed for the easy installation of a dust removal system.

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