From the Sector

KARL MAYER GROUP has developed a sophisticated system for considerable energy savings when operating the cylinder dryers in its PROSIZE® sizing machines and BLUEDYE dyeing plant.

Saving costs with inline energy recycling
The innovation is called CASCADE and focuses on steam as a heating medium in cylinder dryers. And for good reason: according to the IPCC report by ITMF Zurich, one tonne of steam cost between USD 20 and just under USD 27 internationally in 2021. The new solution relies on reuse to reduce the amount of process energy required.
"CASCADE recirculates parts of the process steam in cylinder dryers, enabling genuine, efficient energy recycling within the machine," explains Karl-Heinz Vaassen, Head of Textile Drying at KARL MAYER.
The customer benefits from significantly lower energy costs and CO2 emissions. With a view to the Asian market, a dryer with 14 cylinders and a running time of 7,000 working hours can achieve cost savings of up to USD 17,000 per year.

Precise, real savings values are available when looking at the machine dashboard. A sensor provides real-time data on the amount of steam circulating in the circuit, from which the corresponding reduction in CO2 equivalents can be calculated.

Utilizing the pressure drop
CASCADE reuses part of the invested process energy and uses the flash-steam in conjunction with the pressure ratios, which - nomen est omen - decrease in cascades in the different zones of the cylinder dryer.
The highest working pressure prevails in the first cylinder section. The heat transfer medium steam emits large amounts of energy for yarn drying and condenses without temperature loss.

The resulting hot condensate is not immediately discharged from the machine, but is instead fed into a flash tank, where vapor exhaust is formed as a result of the pressure reduction. In conventional systems, the carrier medium for gases is only created in the return line towards the boiler house and is eliminated as undesirable. Instead of being utilised in the process, it escapes into the environment. With the CASCADE system, this "freshly recycled steam" is used for the heat supply in the second cylinder section, but not without prior treatment.

In the system patented by KARL MAYER, the recycled steam is intelligently mixed with live steam and thus raised to the level of the required process conditions for use in the cylinder section at the end of the dryer. Here, the fabric moisture is reduced to the desired residual value at medium pressure and temperature conditions.

Market launch is underway
CASCADE was filed for patent by the KARL MAYER GROUP. It was published in September 2023.
The innovative solution at no extra charge was presented at ITM 2024 in Istanbul and was a visitor highlight at the KARL MAYER GROUP stand.

From January 2024, CASCADE will be part of the PROSIZE® as standard. The first sizing machine with the upgrade for greater energy efficiency will be delivered in the second quarter of this year. It will go to a manufacturer in Europe. In the next step, CASCADE will be integrated into other dryer types and will also be available for the BLUEDYE.

Archroma has made its AVITERA® SE technology accessible to more brands and mills with the launch of AVITERA® SE GENERATION NEXT for more cost-effective sustainable dyeing of cellulosic fibers and blends.

With an improved cost-to-performance ratio for new dark and extra-dark shades, the AVITERA® SE GENERATION NEXT range helps mills produce differentiated end articles that comply with the environmental requirements of leading brands and retailers while increasing yield, improving productivity and reducing processing costs.

With high-speed low-temperature wash-off, high process reliability and great reproducibility, AVITERA® SE Generation Next allows mills to achieve water and energy savings of up to 50% and to slash CO₂ emissions and effluent discharge by up to 50% as well. It can also increase mill output by up to 25% or more. The dyes are free from arylamines, including PCA^[1], and offer fastness properties, retaining their colors through repeated home laundering and exposure to light, perspiration and chlorine.

Three new dark colors have been added to the AVITERA® SE range:

• AVITERA® BLACK PEARL SE: A greenish-cast black dye with high color consistency that can be used to correct metamerism.
• AVITERA® BLUE HORIZON SE: A deep blue element with good light fastness in medium to deep shades, as well as high oxidative fastness and high resistance to nitrogen oxides (NOx) in the atmosphere.
• AVITERA® NIGHT STORM SE: A new navy shade with a greenish cast and strong build up. It is recommended for dyeing the deepest navy and combination shades.

^[1] Non-detectable on the garment

Together with the German circular knitting machine builder Mayer & Cie., Groz-Beckert has developed the optimized Relanit sinker SNK F over the past years. Independently of this, the development of the new LCmax™ energy-saving needles took place. The focus of both developments is on efficiency, energy savings and increased process reliability.

Groz-Beckert offers interested machine builders different cooperation options to jointly develop new products or optimize existing ones. The Groz-Beckert Technology and Development Center (TEZ) provides the appropriate framework for so-called co-development projects. At the ITMA in Milan in June 2023, Groz-Beckert presented some of the successful cooperations under the motto "Innovation through cooperation". Among them were two new developments realized with Mayer & Cie. Groz-Beckert presented the two new products for the first time in Asia at ITMA Asia in November 2023.

Optimized Relanit sinker SNK F
At the end of 2018, circular knitting machine manufacturer Mayer & Cie. approached Groz-Beckert with a request to jointly develop an improved and more efficient sinker for selected machines of their Relanit family that would run more smoothly and reliably in the needle tricks. The innovative sinker has an integral spring with a spring force that is adapted to the sinker thickness. Field tests were consistently successful and confirmed the functionality and advantages of the new sinker.

Thanks to their adapted spring, the newly developed SNK F Relanit sinkers are securely guided while they are running through the cam track, resulting in a quieter operation. This increases process reliability and ensures an improved loop structure. In addition, wear on the swivel butts of the sinkers is reduced. This increases service life and makes the process more sustainable and cost-efficient.

Higher energy efficiency thanks to LCmax™
The objective second recent cooperation with Mayer & Cie. was to develop a cost-effective energy-saving needle. After considering various variants, the common choice of Mayer & Cie. and Groz-Beckert was the LCmax™ knitting machine needle with innovative, wave-shaped shank geometry. The first prototypes were extensively tested on laboratory machines at Groz-Beckert's TEZ.

The wave-shaped shank of the LCmax™ needle ensures a smaller contact area of the needle in the needle trick. This results in less friction, which reduces machine temperature and enables energy savings of up to 20 percent compared to a standard needle. This saves costs and at the same time allows operation of the machine at the maximum possible speed.

In both projects, the cooperation between Mayer & Cie. and Groz-Beckert went far beyond mere product development. In addition to Applications Engineering and Construction, the companies' Sales and Purchasing departments were also involved in a close exchange.

In China, the textile industry is forward-looking and resilient – with a healthy appetite for new technologies and a determination to keep its leading position. Sustainability is increasingly coming into focus, so there is a growing demand for recycling technologies, as well as automated solutions and digitalization. Cornelia Buchwalder, Secretary General of the Swiss Textile Machinery Association, is clear: “China is the main market for a large number of our association members.” On top of growing consumer demand and technological capabilities, the latest ambitious five-year plan will drive further development of the Chinese textile industry in world markets, and Swiss companies will work with all stakeholders to enable its success.

Market proximity
Swiss companies realized many years ago that geographical proximity is the key to success. Stäubli has started to set up offices in Chinese cities since 1998 and counts 12 locations today, to serve the whole country. In 2002, Itema established a centralized local branch which today has 160 employees in various functions. Loepfe has expanded its presence by creating an independent local business unit to overcome the 9,000 km distance by air, while Uster Technologies has had a Chinese subsidiary since 1982, with offices and service stations in different provinces. Luwa set up its offices and workshop in Shanghai in 1997. Rieter established a presence in mainland China in 2005, driven by a strong commitment to expanding the country’s know-how and expertise – and ten years later opened an advanced research center. All Swiss companies with serious business goals in China have made similar commitments to connect with customers and maintain strong relationships.

Understanding Chinese customers
Swiss companies also understand that Chinese customers require dedicated attention, and that speed is more essential than ever in delivering both machines and services.
Manufacturers in China are seeking cost-effective solutions to remain competitive, while consumers are looking for value in their purchases. Companies need to develop solutions that provide tangible economic benefits to their clients. Furthermore, energy savings have become paramount in China, due to the government's commitment to environmental sustainability and reduced carbon emissions. “Businesses are adopting more energy-efficient processes and technologies to meet stringent energy conservation and emission reduction targets,” says Peter Schnickmann, Managing Director at Luwa Air Engineering (Shanghai). He notes an investment trend for solutions helping Chinese companies cut operational costs and minimize their carbon footprint.

To enhance the reputation of both companies and products – and boost the image of the entire industry – the environmental impact needs to decrease. Priorities are saving water and waste, as well as reducing, replacing or completely eliminating the use of harmful substances. China has a strong demand for environmental-friendly solutions and sustainable technologies.

Customer-oriented in weaving
The huge number of Chinese fabric producers calls for an immense volume of weaving machinery to be supplied by international and local providers. Swiss machinery manufacturers hold an impressive share of this business.
Chinese weavers require advanced technology, with increasingly higher standards of efficiency. In weaving preparation, latest solutions match the speed, quality and reliability now wanted. Weaving machines too offer the eco-efficiency, performance, and ease of use needed, with innovations that extend the scope of sustainable weaving, and open-platform systems configurable to weavers’ specific operations. A huge increase in demand for technical textiles in recent years has been driven by applications such as carbon fiber, aramid and glass fiber.

Profitable in spinning
China’s competitive advantages come from its large-scale and integrated manufacturing capabilities, along with the use of advanced automation and digitization technologies. Spinners aim to capitalize on extended market opportunities, with more economical production. The latest air-jet spinning machines serve these goals, allowing exceptionally low production costs per kilogram of yarn, coupled with high flexibility and reliability. Sustainable yarns are in great demand.

The automation trend in spinning mills focuses on connecting production processes. Data is used to ensure the highest quality standards, most efficient raw material usage, reduction of waste, and energy savings. To make spinning mills more competitive, latest solutions combine cutting-edge hardware, data-enabled software and renowned textile expertise.

An openly accessible online energy savings calculator for all users of powder coatings has been launched by AkzoNobel.

All powder coatings customers can instantly calculate the energy and carbon reduction they could achieve with the company’s Interpon products and related services.

It's the latest example of how the company is continuing to work towards its ambition of reducing carbon emissions across the full value chain by 50% by 2030. “Sustainability is critical for all of us and helping customers to reduce energy is one of the many ways we can work with – and for – them in order to meet our shared ambitions,” says Jeff Jirak, Director of AkzoNobel’s Powder Coatings business.

To make using the tool as easy as possible, the calculator – currently only available in Europe – is supported by a detailed guide, which helps customers better understand how even making small changes in the powder coating process can have a big impact in terms of becoming more energy efficient. These include checking for leakages in compressed air systems, improving insulation and ensuring all process equipment is regularly serviced and maintained. Customers also receive expert support from Interpon’s technical service team.

At ITMA 2023 in Milan from June 8-14, BTMA member VeriVide will introduce UltraView – its first all-LED light booth for achieving a new level of consistent and standardised colour assessment.

The company’s light booths and lighting cabinets are specified by major global retailers around the world, who rely on them for establishing and maintaining visual quality standards across their supply chains.

This is no easy feat, given the textile industry’s complex structure and the many process stages each individual garment undertakes from the designer’s desk to the finished garment on the retail shelf – often criss-crossing several continents during the journey.

Benefits
UltraView brings a range of sustainable new benefits to designers, mills and brands, and combined with VeriVide’s successful DigiEye system for non-contact colour measurement and digital imaging, can have a positive impact on a company’s bottom line, bringing savings in time, money and CO₂ emissions.

The new all-LED light booth meets all relevant international lighting and colour assessment standards. The UltraView incorporates the company’s A rated CIE D65 and CIE D50 artificial daylight light sources and includes multiple pre-set point of sale light sources while being fully tuneable for recalibration to the individual requirements of each customer. In the past, individual light booths have had to be dedicated to the stipulated settings of each specific customer’s switch sets. The rapid flexibility of UltraView, however, makes the need for multiple light booths a thing of the past.

It also eliminates the need for the regular bulb changes that were necessary with fluorescents, to provide significant energy savings.

As supply chains continue to move towards digitisation away from time-consuming and expensive physical sampling, a version of the UltraView, VisionView, is available with an internal monitor to enable physical samples to be compared with their digital versions, if required.

DigiEye
For non-contact colour measurement and digital imaging, VeriVide’s DigiEye collects and processes data that can be communicated and shared instantly, enabling manufacturers, producers and processors to speed up quality control, sustain product integrity and reduce waste.

DigiEye also overcomes the limitations of spectrophotometers, which are limited to products with a solid colour appearance and can only measure ‘average’ colour, assessing the limited area of the product exposed in the instrument’s aperture.

These limitations are further compounded if the product has any form of multi-coloured characteristics or appearance, an uneven or inconsistent surface, a colour area too small to be captured by the instrument or any sort of surface effect, such as carpet pile and the sheen of satin and silk.

Groz-Beckert will be represented at ITMA with its six product sectors and will showcase its various innovations. The presentations at the booth will be supported by augmented reality applications. This allows visitors to discover the products both live and virtually.

The Knitting product sector will be represented at the Groz-Beckert stand with its four product groups circular knitting, flat knitting, legwear and warp knitting. In the circular knitting segment, for example, two newly developed knitting systems will be on show which have been realized in collaboration with machine manufacturers. The developments focus on energy savings, extended cleaning intervals and increased process reliability.

In addition to the machines for weaving preparation, the Weaving product sector will present its recently expanded portfolio of technical weaving reeds. The new weaving reeds make it possible to supply customers who produce fabrics with high densities. The weaving reeds are used in the production of special fabrics, for example, in technical filtration, membrane technology, solar cells or touch screens.

Products and services for classic needling and hydroentanglement will be presented by the Felting (Nonwovens) product area. In the field of felting needles, visitors can look forward to two innovations: a new notch shape and the Groz-Beckert felting needle module. In the felting needle module, the needles are embedded as a module in a plastic mold for the first time. The needle modules are characterized by high deformation resistance and offer new dimensions in needle density.

For the production of tufted floor coverings such as carpets, bath mats or artificial turf, the Tufting product sector will be presenting its proven Gauge Part system.

Various new and further developments will also be shown by the Carding product area. For those interested in the nonwovens industry, for example, the world's finest Interlocking wire for reduced risk of crashis included. For customers of the spinning industry, the division will be presenting further developed stationary flats and revolving tops. The new revolving tops have been adapted to the processing of fine yarns, while the stationary flats have been provided with a new, resistant aluminum profile.

The Sewing product sector is focusing on the presentation of its special application needles, SANTM. The sewing machine needles of the SANTM series have been specially developed for demanding sewing operations – e.g. for sewing technical or finest textiles. The division will also be presenting its new Needle Finder. The Needle Finder is an interactive tool in the online customer portal that helps customers select the right needle.

International technology group ANDRITZ has delivered, installed, and commissioned a mechanical textile recycling line and an airlay line at Novafiber’s nonwovens production mill in Palín, Guatemala. Both lines have been successfully operating since December 2022.

The recycling line – the second tearing line ANDRITZ supplied to Novafiber – processes post-industrial textile waste from Central America. The recycled fibers feed the latest ANDRITZ Flexiloft airlay line, which produces nonwoven end-products for the bedding and furniture industries – a true example of a circular textile-to-nonwoven approach. The production process ensures complete material use as a state-of-the-art edge trim recycling system returns any waste directly to the tearing and/or airlay line.

This combination of ANDRITZ tearing and airlay lines allows Novafiber to process large amounts of post-industrial garments, controlling the supply chain from raw material to final product. In addition, it enables energy savings and a reduced carbon footprint due to the reduction of shipments.

Based in Palín, Novafiber is a leading company in Guatemala for producing nonwovens from post-industrial textile waste for both the local market and export.

FiloFlow and C.L.A.S.S. join forces and showcase the "Sustainability from A to Z" desk at the upcoming 59th edition of Filo.

Filo and C.L.A.S.S. have always shared the commitment to a tangible sustainability of products and processes of the textile industry. The Yarn Show realizes this through the FiloFlow project, while the international eco-hub founded by Giusy Bettoni demonstrates its commitment through services that support companies in their journey towards responsible innovation.

With this shared commitment, Filo and C.L.A.S.S. are making available to the companies that will join the 59th edition of the Yarn Show a new service dedicated to information and guidance in the field of sustainability.

Within the FiloFlow Area, C.L.A.S.S. will curate the "Sustainability from A to Z" desk, designed to provide companies with an orientation about sustainability matter in textiles: from certifications to environmental impact and end-of-life measurements, the importance of ethics and the energy savings; from responsible innovation to new generation communication.

The 59th edition of Filo takes place on February 22nd and 23rd, 2023 in Milan.

• Focus on straightening technology and process control

At Indo Intertex, held from 10 to 13 August in Jakarta, visitors get to see the Mahlo-way for process control in textile production. The German machine manufacturer and its partner agency Agansa Primatama will be available to show everyone its leading straightening technology as well as energy saving concepts around the stenter frames. INDO INTERTEX is South East Asia’s largest trade show on the textile and garment industries, bringing together leaders to experience world-class manufacture, technology and solutions.

Indonesia is one of the ten biggest textile producers in the world. Especially the USA, the European Union and Japan import a majority of their requirements from the Southeast Asian Island state. In order to fulfill the increasing demands and the call for high quality goods, producers invest in machinery, equipment and technology.

At IndoIntertex, Mahlo informs about its straightening machine Orthopac RVMC-15, among other. Based on experience reaching back to over 75 years, the machine offers the latest technology for correcting distortions. The modular straightening and process control system ensures a straight-thread product before and after the drying or fixing process and optimises the processes all around the stenter. This increases quality and saves resources and energy. The process control system Optipac VMC-15 measures and controls critical parameters such as dwell time, thread density or residual moisture.