Retrofit for cutting machines: redefining precision and speed

Your textile cutting machine is at the heart of your production. Whether you process technical textiles, leather, foam or fibre composites – the mechanical components of high-quality cutters are often designed to last 20 to 30 years. But whilst the mechanics continue to perform reliably, the machine’s ‘brain’ is ageing: the control technology becomes a bottleneck, spare parts become scarce and outdated operating systems pose a safety risk.

In this situation, a retrofit for textile cutters is often the smarter and more economical decision than an expensive new purchase. This article expands on the general modernisation principles from our practical guide “Retrofits in Industry” and shows you specifically what matters when modernising textile cutting machines – and how a control system upgrade not only extends the service life but also measurably increases precision and cutting speed.

Key findings at a glance

Why textile cutters have specific requirements

Retrofitting a cutting machine differs fundamentally from modernising a conventional milling or turning machine (read more about this in our article on CNC machine retrofitting). Whilst in machining the focus is often on spindle power or the rigidity of the machine bed, cutting – particularly of soft and flexible materials – involves highly dynamic, complex path movements.

The control system must not only precisely coordinate the X and Y axes, but also have a perfect command of the specific cutting technology. This applies in particular to knife cutting and band knife cutting, where the tangential alignment of the knife, the cutting depth and the behaviour of the material (single-ply vs. multi-ply) must be calculated in real time.

The problem of dependency: when the service becomes a cost trap

Many operators of high-quality textile cutters are familiar with the problem: the machine has been running reliably for years, but the original manufacturer’s service is becoming an increasing burden. In Asia in particular, there are many older Lectra cutters where rigid, expensive maintenance contracts tie up capital and response times in the event of breakdowns are often long. At the same time, the supply of spare parts for the outdated control electronics is becoming increasingly critical.

A retrofit offers an elegant solution here. By replacing the proprietary, outdated control system with an open, modern system based on an industrial PC (such as the ProCom CNC300), you regain your independence. You ensure the availability of spare parts for years to come and benefit from a service partnership based on mutual respect.

Focus on blade cutting: precision in textile cutting

For over 40 years, ProCom Automation’s core expertise has been in control technology for cutting systems. It is particularly in the field of textile knife cutting that a retrofit really comes into its own.

The challenge: complex contours and material behaviour

When cutting textiles, leather or technical films, the blade must follow the contour precisely. Even the slightest deviation in the blade angle leads to rough edges or material distortion – particularly when cutting multi-layer materials (several layers of material on top of one another). Older control systems often reach their computational limits here when dealing with complex geometries or high speeds. The result: the machine has to slow down to maintain precision, which extends cycle times.

The solution: intelligent motion algorithms

A retrofit using a specialised control solution is a game-changer. Modern systems use advanced algorithms to optimise the cutting process:

‘In the past, it was often not the machine’s mechanics that set the limit, but the control system, which was unable to calculate and control the blade quickly enough. With modern algorithms such as ModernBlendTime, we are significantly raising the bar for cutting speed – a real boost to productivity for existing machinery.’ 

Harald Müller – Team Lead Delivery

Who would benefit from a textile cutter retrofit?

A retrofit is a strategic investment. It is particularly worthwhile in the following scenarios:

1. High-quality mechanical base: Your machine (e.g. a premium textile cutter) was expensive to purchase and the mechanical components are still in very good condition.
2. Special-purpose machines: This is a system with specific modifications or dimensions that would be difficult or very expensive to replace with a standard new machine.
3. Reducing dependency: You wish to break free from the original manufacturer’s expensive, inflexible service contracts and are looking for an open, future-proof system.
4. Digitalisation (IIoT): You wish to network your existing production and capture production data in real time (e.g. by connecting to the Clouver IIoT platform), which is not possible with the old control system.

For manufacturers of textile cutters, ProCom also offers the opportunity to provide retrofit solutions as standardised packages for their own end customers – a lucrative service business that strengthens customer loyalty.

Conclusion: New performance for tried-and-tested machines

A retrofit for textile cutters is much more than just replacing outdated electronics. It is a technological upgrade that extends the service life of your valuable equipment, boosts productivity through intelligent algorithms, and gives you back your independence when it comes to servicing and maintenance.

Give your tried-and-tested machinery the intelligence it needs to meet tomorrow’s demands.

Would you like to make the most of your textile cutter’s potential?

Let’s have a no-obligation chat about your specific system. Our experts will carry out a bespoke assessment of your system and advise you on whether a retrofit makes technical and economic sense. This is highly individual and also depends on the drive mechanism.

Discover our control solutions for textile cutters

About the Autor

Tanja is Head of Digital Marketing at ProCom Automation and writes practical articles on CNC, IIoT, Industry 4.0 and efficient manufacturing. The content is developed and technically reviewed in close collaboration with our Clouver IIoT monitoring and CNC experts.