From the Sector

From June 8 to 14, 2023, the leading international trade fair for textile machinery manufacturing ITMA took place in Milan, Italy. In total, over 111,000 guests visited the trade fair. Groz-Beckert was able to present its innovations to more than 7,000 customers and business partners, as well as welcoming many other visitors to its booth – including over 280 students.

An international audience gathered at the Groz-Beckert booth: guests came from 84 different countries. The majority of visitors came from Italy with just under 15 percent, followed by Germany with 14 percent, Turkey with 11 percent, India with 9 percent and the USA with 3 percent. For the first time, HR specialists were on hand at the Groz-Beckert booth to look after the student groups, offering the young people comprehensive insights together with experts from the Technology and Development Center (TEZ).

Groz-Beckert presented numerous innovations from its six product divisions Knitting, Weaving, Felting, Tufting, Carding and Sewing at the ITMA. One focus of the innovations was on the topics of efficiency, process stability and sustainability. While the topic of sustainability was reflected in the products on the one hand, a separate area in the Groz-Beckert Gallery was dedicated to the topic on the other. Here it was shown what contribution Groz-Beckert is making to making its own productions and its sites sustainable.

SHIMA SEIKI ITALIA S.p.A., Italian subsidiary of leading Japanese computerized knitting solutions provider SHIMA SEIKI MFG., LTD., will exhibit at the 93rd edition of the Pitti Immagine Filati exhibition in Florence, Italy. It will exhibit as part of the new CustomEasy section, which explores the various aspects of customization in the presence of textile machinery, including a multi-faceted lineup of SHIMA SEIKI WHOLEGARMENT® knitting machines.

The WHOLEGARMENT® knitting machine SWG-XR® features 4 needle beds for all-needle knitting of high quality WHOLEGARMENT® products using the company's original SlideNeedle™. SWG-XR® features a re-designed sinker system and a compact, light-weight carriage featuring 4 systems as well as auto yarn carriers. All contribute to increased productivity of more than 25% over the previous MACH2®XS machine, as well as increased product range using a wider variety of yarn for supporting knits for all seasons, and higher quality for knitting beautiful fabrics and silhouettes; even items that were impossible to knit with the MACH2® series, including punch-lace patterns, variable stitch knitting and intarsia knitting. Setting new standards for the next generation of waste-free, sustainable WHOLEGARMENT® knitting, SWG-XR® at Pitti Filati will be shown in 18L.

Affectionately referred to as “SWG®-Mini,” SHIMA SEIKI's compact line of WHOLEGARMENT® machines allows customers to take advantage of the same short lead times and versatile production as larger WHOLEGARMENT® knitting machines, but with minimal investment. SWG®091N2 with its 36-inch (90cm) knitting width is especially suited to knitting a wide variety of items including accessory items as well as childrenswear and smaller size garments, all without the need for linking or sewing afterward. At Pitti Filati SWG®091N2 will be shown in 5 gauge.

A new proposal in WHOLEGARMENT® knitting will also be shown in the form of the N.SVR®183 WHOLEGARMENT® knitting machine. SHIMA SEIKI's global standard in shaped knitting, the N.SVR® series now features a model for producing WHOLEGARMENT® knitwear using every other needle in fine gauge. N.SVR®183 is equipped with the R2CARRIAGE® system and a compact, lightweight carriage for even higher productivity. Shown in 21G at Pitti Filati 93, N.SVR®183 is the ideal machine for flexible, entry-level WHOLEGARMENT® production, with the versatility to respond to fluctuating market demand.

APEXFiz® subscription-based design software supports the creative side of fashion from planning and design to colorway evaluation, realistic fabric simulation and 3D virtual sampling. Virtual samples are a digitized version of sample making that are accurate enough to be used effectively as prototypes. By replacing physical samples, virtual samples reduce time, cost and material that otherwise go to waste. APEXFiz® thereby helps to realize sustainability and digitally transform the fashion supply chain.

Continuing from past editions of Pitti Filati are knit samples produced in collaboration with Italian designer Vittorio Branchizio, as well as samples from SHIMA SEIKI headquarters for assessing the potential of SHIMA SEIKI knitting machines.

Kornit Digital LTD., a leader in sustainable, on-demand digital fashionx and textile production technologies, announced the Company is taking the power of digital fashion to new heights with enhancements to the Kornit Presto MAX system for digital fabric decoration on demand.

Designed with the fashion and home décor industry in mind, the enhanced solution presents innovative capabilities for transforming virtual concepts into custom fabrics, supplementing digital efficiency and quality with white printing on colored fabrics. The new NeoPigmentTM Vivido ink achieves darker, deeper blacks and colors and establish new fashion standards with a pigment-based process. Kornit’s patented solution offers a streamlined and completely dry process for the a sustainable fabric decoration.

At ITMA 2023, Kornit will also be displaying an end-to-end partner ecosystem – underscoring how integrated solutions ensure a smooth transition towards a digital infrastructure and enable long-term business growth. Highlighting the power of partnership alongside Kornit is Greentex.co, a supplier of textiles and apparel leveraging digitally enabled, eco-friendly waterless printing. The company will be showing Presto MAX with fabrics highlighting the depth of black inks. Working alongside Kornit, Zünd will demonstrate how its modular cutting systems is the foundation for an end-to-end “eco factory,” completing fashion decorated by Presto MAX with their digital cutting solutions. Pentek Textile Machinery joins to display the possibilities for inline, sustainable softening of fabrics for unique and demanding applications.

From April 25^th to 27^th, 2023, the Institute of Textile Machinery and High Performance Material Technology (ITM) of TU Dresden will be exhibiting at the pavilion SAXONY! at JEC World 2023.

The ITM will provide a comprehensive overview of its current research in the field of machine and product development along the entire textile process chain.

The upcoming JEC 2023 exhibition will highlight innovative Customised Connective Cores (CCC), which are custom-made core-insert structures additively manufactured using cellular metal and a form-fit integrated insert. These CCCs can be seamless integrated either as patches or as full-surface core material into lightweight panels, offering significantly improved load-bearing behavior (especially 4 times the load-bearing capacity and fail-safe behavior) compared to existing technologies. This breakthrough opens up new possibilities for fastening lightweight panels.

Another highlight at the exhibition is the repair process for fibre-reinforced composites (FRP) developed at the ITM. Instead of mechanically grinding the damaged area, the matrix in the repair area is locally dissolved using a UV-rays-induced depolymerisation process. Damaged fibres can thus be replaced by a customized repair patch. Free yarn ends on the textile repair patches are spliced with the UV-exposed yarn ends in the repair area using an adapted splicing process. In this way, a very clean, simplified and mechanically improved repair area can be achieved compared to the state of the art.

The diverse possibilities offered by the structure and process simulation of textile high-performance materials and textile manufacturing processes will also be presented. By means of multi-scale modelling and simulation, a profound understanding of materials and processes is achieved at the ITM. Finite element models on the micro, meso and macro scale have been developed and validated for this purpose. Examples from current ITM research projects demonstrate the various possibilities and areas of application of modern simulation methods in the field of textile technology.

Moreover, an innovative process for the integral manufacturing of 3D rib-stiffened preforms with complexly arranged stiffeners in 0°, 90° and ± 45° orientation was developed and successfully implemented at the ITM. Due to the process-integrated structure fixation and the continuous fibre reinforcement between shell and rib structure, the 3D preforms are perfectly suited for the production of highly load-bearing FRP components with increased bending stiffness, which will be exhibited at JEC. Hence, the lightweight construction potential of high-performance fibres can be fully exploited.

A successfully established development are partially flowable 2D textile reinforcement fabrics that are continuously manufactured in one single process step. For this purpose, the entire process chain was developed at the ITM, which allows a cost-effective and high-volume production of load-bearing thermoplastic 3D FRP components with continuous fibre reinforcement between shell and stiffeners.

At JEC 2023, the ITM will also present a partially embedded textile latice girder as reinforcement for carbon concrete applications, which was produced by means of an innovative textile manufacturing process based on the multiaxial warp knitting technology. Through the development of a customized warp insertion, manipulation and take-off system as well as appropriate shaping methods, it is now possible to produce tailored textile semi-finished products, e.g. for use in wall and ceiling panels. These textile latice girders represent a resource-saving alternative to conventional steel girders due to the reduced among of concrete required and the additional cavity for media and cable guidance.

The integration of textile actuators and sensors in FRP provides structures with additional functionalities. The research and application of such interactive FRP with different matrix materials (e.g. with thermoset, elastomer or concrete matrix systems) for structural health monitoring or adaptive systems is one of the key research areas of the ITM.

Moreover, the development and implementation of innovative yarn constructions based on recycled high-performance fibres (e.g. rCF, rGF, rAR) for sustainable FRPs is successfully promoted at ITM. By use of a special carding machine, recycled fibres are opened up, separated and joined to form a wide, uniform ribbon. Subsequently, innovative hybrid yarn constructions made of evenly mixed recycled high-performance and thermoplastic fibres with variable fibre volume fractions can be manufactured by means of various spinning technologies. Selected yarn constructions and components will be showcased at JEC.

The fourth quarter 2022 textile machinery orders index, processed by ACIMIT, the Association of Italian Textile Machinery Manufacturers, showed a sharp 35% decline compared to the period from October to December 2021. In absolute value, the index stood at 83.6 points (basis: 2015=100).

Orders took a 34% drop on the domestic market, while the foreign index was down fully 37%. In Italy, the index’s absolute value came in at 155.4 points, whereas on foreign markets the value stood at 75.8 points.

On annual basis, the orders index marked an 18% decrease and an absolute value of 110.4 points. The drop in orders abroad was 17%, while orders collected in Italy were 28% lower than the figures drawn up in 2021.

ACIMIT president Alessandro Zucchi stated that, “The orders index data for the fourth quarter confirms what had already been observed in the previous quarters in 2022. After a sharp increase in 2021, this decrease in orders for the past year is physiological. Furthermore, the ongoing war between Russia and Ukraine, with its related consequences on daily business and trade, and a macroeconomic framework in which uncertainty prevails, have further negatively affected the orders intake.”

Data for the last quarter does not suggest a reverse in the negative trend for the first months of 2023. Declining energy prices and inflation, although still high, also declining slightly are, however, signs of a light improvement in the business of companies in the sector as well. “We need to look to the current year with optimism,” continued ACIMIT president. “Our member companies are already focusing on ITMA, the upcoming global textile machinery industry trade fair, that will be held from June 8-14 in Milan.” “I am confident that ITMA Milan can represent an opportunity for further development of the Italian textile machinery sector,” concluded Zucchi. “The technological innovations that our manufacturers will bring to the trade show will meet the textile industry’s need to be increasingly sustainable, both environmentally and economically.”

ITM - International Textile Machinery Exhibition, which is one of the world's most important exhibitions in its field and carries its success beyond its borders, will be held in a country other than Turkey for the first time next year under the name 'ITM Uzbekistan'. 'ITM Uzbekistan 2023 Exhibition', which will be held in Uzbekistan New Expo Center on September 12-15, 2023, will bring together buyers from Central Asia and Turkic Republics with the world's most important textile and garment technology manufacturers.

ITM Uzbekistan to be organized in odd years
'ITM Uzbekistan', organised by Teknik Fairs Inc. and Tüyap Tüm Fuarcılık Yapım Inc., will be first held in September 2023, from 12th to 15th, and thenorganized in the following odd years such as 2025, 2027, and so on. The exhibition calendar was created by taking into account the dates of the exhibitions organized in the same sector in different countries of the world and in Europe and the benefits of the sector.

Tashkent New Expo Center
New Expo Center, built in Tashkent, the capital of Uzbekistan, will host the most important events of both Central Asia and Turkic Republics. New Expo Center, where many national and international events will be held, will be the gateway of Central Asia to the world. The exhibition center, consisting of a total area of 44 thousand square meters and two stages, was built with the latest technology, taking into account all needs. The new exhibition center, which includes cafes/restaurants, resting areas, meeting, congress, seminar and exhibition halls, is an important attraction center with its proximity to the new airport under construction in the capital and the facilities where the international Olympic Games will be held.

Monforts will be presenting its finishing technologies at the forthcoming Igatex textile machinery exhibition, which takes place from December 1-4 at the Lahore Expo Centre in Pakistan.

The importance of the textile industry to Pakistan’s economy cannot be overstated – it accounts for 60% of the country’s overall exports and some of its industry’s players are very major employers. In the year to June 2022, Pakistan’s textile exports climbed by 25% to a record value of $19.3 billion according to the country’s Bureau of Statistics, as security of deliveries – especially to Europe and the USA – worked in the country’s favour, in the light of the Covid-19 pandemic and subsequent supply chain issues. It has a key role to play in quickly getting the country back on its feet after the devastation.

Monforts customers in the regions around the country’s three biggest cities of Karachi, Lahore and Faisalbad include all of the main players in the fields of home textiles and denim production, including Afroze, , Al Karam Artistic Milliners, Azgard-9, Crestex, , Gul Ahmed, Interloop, Liberty Mills, Lucky Textile Mills, Mustaqim, Naveena (NDL), Rajby Industries, Sapphire Finishing, Soorty, Style Textile and US Denim.

These companies rely on established Monforts technologies including Montex stentering equipment, Monfortex sanforizing units and Thermex dyeing ranges. The company’s Matex Eco Applicator minimum application system has also proved a big hit in recent years.

Monforts has also achieved considerable success in Pakistan with its Econtrol®* dyeing system  – an effective and established dyeing process. More than 40 Thermex continuous dyeing ranges have been installed in Pakistan in recent years and operator training on the Econtrol®* process by sophisticated technologists is an additional service.

The Econtrol® pad-dry process has a number of immediate benefits. Compared to the common pad-dry-pad-steam process, no salt is used and no steamer is required for a separate fixation step. Compared to the pad-dry-thermofix process, no urea is used and no smoke or deposits are generated, and unlike with the cold pad batch process, direct feedback of the dyeing results ensures no batching time is necessary and guarantees good reproducibility from the lab to bulk production.

An immediate wash off is also unnecessary, allowing for flexible production planning. The process is suitable for pale to dark shades with very good fastness properties. Also waste water treatment is improved by this technology.

*Econtrol is a registered mark of Dystar Colours Distribution GmbH.

New ideas were exchanged, brainstormed, and discussed freely at members’ booths at the Swiss Textile Machinery Pavilion during the recent Techtextil in Frankfurt. “Customers and researchers met Swiss textile machinery companies to explore the possibility of the not-yet-invented. “We regard our Pavilion as the place where future innovations catch a spark,” says Cornelia Buchwalder, Secretary General of the Swiss Textile Machinery Association. Further developments in the field of hybrid yarns were a hot topic. One example of this involves producing a yarn which has all the typical characteristics and advantages of carbon – but which also prioritizes careful use of resources, combining carbon fibres with thermoplastics.

Technical textiles cover a vast range of applications, and it’s still growing thanks to intensive research by specialist institutes and universities. Many members of the Swiss Textile Machinery Association maintain long-standing partnership with such bodies. Innovations are often joint efforts.

Feel-good technical fabrics
Some technical textiles feel like a second skin. A well-known example is activewear from the ‘sport tech’ field. Activewear includes breathable clothing, usually consisting of a three-layer-laminate: an inner lining, a breathable membrane in the center, and an outer fabric. The challenge is to bond the individual layers without losing breathability or softness, while meeting technical requirements such as resistance to a number of wash cycles.

Bonding solutions meeting top quality requirements, as well as ambitious standards for environmental protection and sustainability, were reinvented by the Cavitec brand from the Santex Rimar Group. This company’s hotmelt technology uses one-component polymers applied to textiles in a hot, molten state. Bonding based on hotmelts is both water- and solvent-free. Drying and exhaust air cleaning are not necessary, which is an ecological advantage. Energy consumption is also significantly lower. Cavitec hotmelt technology is also developed for laminated medical protection fabrics which are safe, high-quality and sustainable. These fabrics can be washed, sterilized, and used again.   

A second skin with added value is the result of Jakob Müller Group’s cooperation with an institute for an established outdoor fashion brand. They have devised a heating mat applied as an inner jacket. Outdoor gear with a heated inlay offers the wearer a comfortable feeling even in a cold climate. The heating mat is particularly light, breathable, flexible and adjustable to three temperature levels.

Fabrics with these advantages are now possible thanks to multi direct weaving (MDW) technology from the Jakob Müller Group. A lacquer-insulated heating strand is inserted into the base textile as a ‘meander’ using MDW technology. The technology is offered with both label weaving machines and the latest generation of ribbon weaving machines. The textile pocket calculator is another MDW based future-oriented application developed in cooperation with a textile research institute.

Safety and health
Life-saving reliability is a must for vehicle airbags. They have to fulfil high security aspects, and must remain inflated for several seconds when an accident occurs. Airbags made of flat-woven fabric – cut and seamed – can show weakness at seams during the inflation phase. Latest Jacquard technology by Stäubli enables one-piece-woven (OPW) airbags to be produced, creating shape and structure in a single process. The final product is an airbag consisting of a sealed cushion with woven seams. OPW airbag weaving reduces the number of production steps, and increases the security aspects.
Another big advantage of Stäubli’s new weaving technology is the flexibility in formats required in today’s mid- and upper-range cars, where lateral protection (in the seat or in the roof over the door) has become standard and is designed in line with the car shape. Safe airbags are woven on modern high-speed weaving machines. The warp material, the variety of fabric patterns, and the importance of precisely shaped airbags require the use of a robust and reliable Jacquard machine.

A revolution for orthopaedic patients is a knitting machine from Steiger Participations, which uses compressive yarns developed to meet the needs of the specific health market. This machine model was exclusively designed for production with inlaid elastic yarns and offers optimum performance with guaranteed final product quality.

In the orthopaedic field, many Steiger flat knitting machines have already been operating as automatic, custom-made production systems. For example, the dimensions of an injured limb are taken by the doctor and fed into a web-based application. The doctor selects the compression class in the various sections of the item and a data file created by the software automatically applies a preconfigured program. With no human intervention required, the program is generated and produced on the machine, precisely matching the patient’s dimensions. Each product is different, and generally available within 48 hours.

The recent Techtextil show in Frankfurt emphasised the diversity of applications for nonwovens and technical textiles, according to finishing technology specialist Monforts.

“We fielded enquiries at top management level from an extremely wide range of companies, all with very different ideas for new product applications during the show,” said Alexander Fitz, who joined the company a year ago as engineer for textile technologies and co-ordinator of the Monforts Advanced Technology Centre (ATC). Fitz brings a background in both technical textile technology and processes to the role, having previously worked for a nonwovens machinery builder and a roll-goods manufacturer.

Trials
“We are now looking forward to interesting new trials and pilot production runs, as well as the commissioning of new orders for machines resulting from the extremely busy exhibition,” he says. “Obviously, everyone at the moment is looking to make energy savings, and we have developed a range of options for helping companies increase their resource efficiency, both on new lines and as retrofitted systems, but this is not stifling innovation at the new material level.

“There was a lot of interest in what is possible with the Montex®Coat coating system and the range of different techniques it enables, and at our ATC in Mönchengladbach, a Montex®Coat unit is integrated into the full technical textiles pilot line, on which it is possible to run new fabrics in widths of up to 1.8 metres.”

Explosion proof
The technical textiles line at the ATC incorporates a Montex four-chamber stenter and is fitted with an explosion-proof coating application chamber in order to allow treatment to be carried out with organic solvents and other volatile materials.

Every single component within the chamber has to meet the standards of the European Union’s ATEX directives for working in a potentially explosive atmosphere. A range of sensors linked to alarms operate at various levels within the chamber to ensure the specified lower explosion limit (LOL) is never exceeded and the ventilation adapts accordingly.

Advanced functions
Special features on the finishing line relate to further advanced functions such as the ability to treat materials not only at temperatures of up to 320°C, but also to be able to treat the top and bottom faces of certain materials at different temperatures within a single pass through the machine.

To achieve this, the first two chambers of the stenter are fitted with special, heavy duty TwinAir ventilation motors and separate burners for individual top/bottom temperature. A temperature differential of up to 60°C can be achieved between the upper and lower nozzles within the chamber, depending on the treatment paramenters.

Another key feature of the technical textiles line at the ATC is the special stretching device which is capable of pulling ten tons in length and ten tons in width – a huge amount per square metre of fabric and necessary in the production of materials such as woven or 3D knits for high temperature filter media.

The 2002 prize of the Walter Reiners Foundation of the VDMA Textile Machinery Association for the best Master's thesis in German textile mechanical engineering was awarded to a young engineer from the ITA Institut für Textiltechnik of RWTH Aachen University. The prize ceremony took place at Techtextil 2022 in Frankfurt am Main, Germany. Peter D. Dornier, Chairman of the Board of the Walter Reiners Foundation, presented the award at the VDMA Textile Machinery Association’s booth.

Felix Xaver Zerbes, M.Sc., was awarded the "Promotional Prize for the Best Master's Thesis of the German Textile Machinery Industry 2022", endowed with 3,500 EUR, for his master's thesis "Development and Construction of a Separation Unit for Weft Yarns in Air Jet Weaving".

The subject of the master's thesis was the development of a mechanism with which faulty sections in the weft yarn can be sorted out before they are woven into the textile. This way, both yarn-related weft defects and material defects can be drastically reduced. The prototype developed by Mr Zerbes shows how this can be done even during the ongoing weaving process without having to stop production. Due to its modular design, the yarn rejection unit can be retrofitted to many different types of air-jet weaving machines, which represents an enormous savings potential not only in Germany but in weaving mills all over the world.