Karl Mayer : Double needle bar raschel machi...
Karl Mayer

Double needle bar raschel machine for shoe fabrics

(Source: Karl Mayer)
(Source: Karl Mayer)

The highly competitive shoe fabric market has been particularly affected by the difficulties arising from the corona pandemic. The Hua Yu Zheng Ying Group (Hua Yu), Jinjiang City/China, a leading warp knitting company in China, is one of the first users of the high-performance RD 7/2-6 EN double needle bar raschel machine from Karl Mayer. The machine is suited specifically for the shoe fabric market. 

Hua Yu produces warp knitted and knitted fabrics in a vertically integrated process chain with man-made fiber, yarn and textile production as well as finishing and dyeing. More than 400 modern warp knitting machines, including 170 double needle bar raschel machines from Karl Mayer Group, Obertshausen/Germany, are running in the warp knitting mill. The output is more than 20,000 tons of functional textiles per year. The spacer textiles go mainly to the shoe market.  

Hua Yu operates the RD 7/2-6 EN at up to 11,000 rpm and thus achieves higher output than before. The company claims its capacities have increased by around 30%. It also benefits from the flexibility of the RD model. In the past, the production of warp knitted fabrics with different patterns required machines with different specifications and corresponding operating personnel. Equipped with 7 guide bars and EN pattern drives for their electronic control, patterns of the most varied design can be produced on just one machine, so meeting the requirements of different applications. In addition, the patterns can be easily changed.  

In addition, the availability of the production equipment was stabilized or improved. The machine failure rate fell from 6 to 3%, while operating efficiency increased from 80 to 90%. 

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