Does the Pareto Principle work in spinning?

Does the Pareto Principle work in spinning?

Have you heard about the 20/80 rule also known as the Pareto Principle? It suggests that in many cases only 20% of the effort put in will account for 80% of the result. This article assesses the role of this economical concept with Uster contamination control in yarn production.

Profitability is obviously a basic requirement for spinners – so how might they benefit from applying wider economic ideas alongside established ways of improving mill productivity? This article examines contamination-controlled spinning from the viewpoint of one such well-known concept – the Pareto Principle – and assesses its validity in a yarn production environment.

In the late 19th Century, Italian economist Vilfredo Pareto made the initial observations on which the Pareto Principle is based. Also known as the 80-20 rule, it suggests that in many cases only 20% of the effort put in will account for 80% of the result. This imbalance between input and output has been used in business to choose priorities and focus on the most effective areas to bring the greatest reward. Although not a hard and fast rule, the Pareto Principle can help to increase productivity and efficiency in industrial settings.

Specifically, it can be applied to determine ‘best practice’ in some elements of spinning when focused on contamination control.

Small effort, big effect

Experienced spinners know that contamination control in the blowroom exactly follows this principle. Correct positioning of the fiber cleaning system – at the point where the fibers are most open – is crucial. Contaminants might otherwise be hidden inside bigger tufts, but not with Uster Jossi Vision Shield at the fiber opening stage. 

Uster Jossi Vision Shield is backed by 20 years’ experience. Conventional camera-based systems cannot match its performance. Operating across a much greater wavelength, Uster’s spectroscopes can find contamination even within the ‘invisible’ range of IR and UV light. Fragments of contamination in light pastel colors and white also pose no problem.

The final check

Any remaining contamination or defects will then be identified and removed by the final-stage check at the Quantum 4.0 yarn clearers, which will ensure the yarn meets customer requirements. The good news for spinners wondering about capacitive or optical clearing for a new production line, or for retrofit, is that Uster Quantum 4.0 has both capacitive and optical sensors, applicable to different yarns and changing conditions.

Uster Quantum 4.0: The connected yarn quality assurance system

The non-Pareto effect

The second part of the Pareto concept – that the ‘other’ 20% of the results require 80% of the effort, does not actually apply for contamination-controlled yarn production. The principle here is “managing remaining contaminants in yarns at minimum possible cost” – and the solution is Total Contamination Control, which achieves far more than any 20/80 correlation! Total Contamination Control means precisely controlled contamination levels in yarns, with minimum waste as an integrated solution.

Total Contamination Control (TCC) balances ejections in the blowroom along with cuts in winding in the most advanced way. Uster Jossi Vision Shield and Uster Quantum 4.0 are two perfectly-linked systems in the production process, minimising the risk of foreign matter quality issues and focusing on defined quality and profitability.

TCC is an Uster Value module with Quality Expert, which also reveals optimization potential to save costs. Data from Uster Jossi Vision Shield and Uster Quantum 4.0 combined with Uster’s long experience in contamination control, answer the following key questions in practice. What is the right level of contamination removal? How does fiber cleaning and yarn clearing achieve consistent levels of contamination that will satisfy the customer requirements? And how does it prevent waste of good material?

Beyond Pareto

Vilfredo Pareto of course couldn’t know, more than 100 years ago, about Uster’s preventive yarn clearing. This solution follows its own rules: preventive means that there’s no 20% or anything remaining needing extra effort, but there is security. The new combined clearing and enhanced detection modes protect yarn quality, while reducing cuts at the same time.

Furthermore, disturbing defects cannot pass, so that issues in downstream processes are prevented. Upstream, connectivity to Uster’s quality management platform contributes to ‘preventive yarn clearing’. Perhaps preventive yarn clearing could be called a 100/0 rule?

To discuss the Pareto method, or any solution to control contamination effectively, Uster staff will be glad to welcome spinners to their booth at ITME. In Hall 9 visitors will quickly recognise the booth C5 from distinctive white and red design. Uster looks forward to being your host at the upcoming show in India.

Courtesy: Uster Technologies

About Uster Technologies

Uster Technologies is the world’s leading provider of quality management solutions from fiber to fabric. High-technology instruments, systems and services cover quality control, prediction, certification and optimization. The portfolio comprises quality management, laboratory testing and in-line process control instruments for fibers, staple fiber, and filament yarns, fabrics and nonwovens. Uster Statistics, the unique global benchmarks for textile trading, complement a portfolio of value-added services that includes training, consultancy and worldwide after-sales. The Uster philosophy aims to drive innovation forward by meeting market needs – always with ‘quality in mind’. Uster Technologies is headquartered in Uster, Switzerland and operates worldwide. It has sales and service subsidiaries in major markets and Technology Centers in Uster (Switzerland), Knoxville (USA), Suzhou (China) and Caesarea (Israel).

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