UTT, a member of the Thai chemical group Indorama Ventures (IVL) and a well-known manufacturer of technical fabrics, recently installed an advanced airbag weaving finishing line. UTT textile factory was established in Krumbach, Germany in 1850. Over the past years, UTT has shifted its focus to production from umbrella to technical fabrics and especially airbag fabrics. Airbag fabrication is a complex, precisely coordinated process, from warp production to laser cutting and UTT's own high standards demand the highest quality, complete with cutting-edge technology.
In order to develop its main role in this important and innovative market of the motor industry, UTT has significantly expanded its production capacity of dobby fabrics and technical jacquard fabrics on the Krumbach website. The company not only invests heavily in the factory with many new looms, but also installs the world's most innovative and modern airbag woven finishing line. UTT has selected two very experienced and reliable partners for this project - two German-operated machinery and plant companies, Menzel in Bielefeld and Brückner in Leonberg. Together with UTT project managers, line requirements have been refined and developed by experienced technicians from all three companies.
Successful collaboration builds on the specialization of Menzel and Brückner to implement individual customer-oriented solutions. The challenge here is to fulfill many of the specifications for the production line. This project is installed to produce high performance airbag OPW fabric. Therefore, we have developed a new multi-stage, in-line finishing process for the production of OPW fabrics, explains Brückner.
In order for the production process to be uninterrupted, the line is equipped with the necessary equipment to ensure a continuous supply of fabrics. Brückner stenter system is equipped with a completely new indirect gas heating system. This system completely separates the air circulating of the dryer from the flue gas of the hot burner so that no contact between flammable fabrics occurs.
In addition, the system features an integrated heat recovery system to heat the air for the highest possible energy efficiency. This heat recovery system saves about 30 m³ of natural gas per hour for the entire system and significantly reduces CO2 emissions compared to other systems.
The stenter features a horizontal swivel bar, a low slick fabric transport chain, equipped with a fabric tension sensor. With the help of these sensors, the fabric tension occurring during the production is controlled to ensure that critical fabric quality parameters are not exceeded. If the values of fabric tension exceed the permitted level, the machine will report and change the fabric width accordingly. The process control system allows for continuous monitoring of all parameters and data transfer related to the customer's own PDA system.
Realizing this innovative system is a demanding challenge but also a very successful collaboration of all participating companies. Together, a shared success can be realized under the motto 'Achieving quality production by German technology,' concluded Mr. Brückner.
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Soucre: vinatex.com.vn
