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Woven or non-woven filter bags used in a wide range of industrial processes account for a large part of technical textile production

February 10, 2020

In the latest technological innovations of members of TMAS (Swedish Textile Machinery Association), ACG Kinna and ACGNyström cooperated with the world's leading sewing machine manufacturer Juki Corporation to develop a new automated production line concept that can greatly accelerate the production of finished filter bags.

Woven or non-woven filter bags used in a wide range of industrial processes may receive attention as products, but they account for a very high proportion in the production of industrial textiles.

According to a recent report by BCC Research, leading US analysts in this field stated that industrial filtration represents a $555 million market in 2019. Some of the key areas where such filter bags are used include:

•Metal manufacturing requires effective filtration for manual and automatic welding, thermal cutting, sandblasting and machining, especially coolant filtration.

• Process and energy industries, including foundries, smelters, incinerators, asphalt plants and energy production plants.

• Other major manufacturing sectors-which usually generate dust-include the production of wood, textiles, composite materials, waste treatment and minerals in addition to chemicals, food production, pharmaceuticals, electronics and agriculture.

For example, regarding the size of the industry and the large number of fabrics involved, a supplier recently received an order for 30,000 filter bags used for flue gas cleaning for the Eesti power plant in Estonia, the largest oil shale power plant in Estonia. Order. world. The maximum length of the bag is eight meters, and it needs to be replaced frequently.

The new SFL-2000 production line is the result of a four-year development project between Poland-based Juki Central Europe and two ACG companies.

It can handle a variety of different filter media, and as an all-in-one solution, it can produce high-quality and precise seams according to predefined parameters, and optional modules allow for customized structures.

Christian Moore, CEO of ACG Kinna, said: “The production line can achieve a sewing speed of ten meters per minute when performing various folding, overlapping and stitching seams, while in a welding bag with a width of one meter, it can reach a sewing speed of ten meters per minute. The sewing speed is 20 meters per minute.". "The unique selling point is that it integrates all sewing, welding and braiding options into a flexible production line to ensure reduced downtime, and more importantly, faster downtime between changing materials, sizes or connection options. This puts more money into our customers’ pockets."

Masanori Awasaki, President of Juki Central Europe, added: "This type of automation is the way forward, not only for filtration, but also for all industries." "At Juki, our main technology is clothing manufacturing, but we are also extensively involved in technical textiles. In the field, this production line integration concept is raising production to a higher level of efficiency."

The production line is available in three versions-SFL-2000S for seams, SFL-2000-W for welding alternatives and SFL-2000WS with two connection technologies.

The standard version of these production lines is equipped with a media roll feeder as standard, but you can also choose to add a second one, in which the Juki MO-6903G toe cap connects two independent materials together, so that continuous production can be achieved without loss Production speed. machine.

A custom pre-folding system can create tubular filter bag forms and overlapping parts before the Juki sewing and welding unit.

"At this point, the quality control system uses three cameras to check and control each parameter-bag width and overlap width and seam accuracy-up to the length of each stitch," Christian Moore explained. "The three-axis positioning of the Juki module ensures that the seams are perfectly centered for precise consistency."

The bag is then transported to the cutting and printing unit.

"At this stage, inkjet printers are another option for adding QR and barcodes and/or logos, and a buffer system up to 1.5 meters long prevents any pauses before cutting," ACGNyström vice president Thomas Arvidsson.

TMAS Secretary General Therese Premler-Andersson said: "I am surprised by the many industry sectors served by TMAS members." "Our company has a wide range of innovations in 2019, which is characterized by advanced mastery of Industry 4.0 automation technology and customer requirements. The need for sustainable processing methods. In 2020 and beyond, more of these things will happen."

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