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Status of needle selection technology of automatic knitting machine

Views: 1     Author: Site Editor     Publish Time: 2022-07-21      Origin: Site

The needle selection device of the knitting machine can be divided into the mechanical type and electronic type, and the mechanical type can be divided into contact type and non-contact type. And jacquard needle selection; non-contact needle selection information is transmitted through various parts of the needle selection mechanism and finally acts on knitting, such as pusher type, pick type, drum type, etc. The electronic needle selection mechanism mainly has single-stage and multistage.

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The application of electronic technology to flat knitting machines began in the early 1970s. After entering the 1980s, it was widely used, mainly in: electronic needle selection technology, electronic program control, and pattern preparation system, all of which are indispensable for an automatic knitting machine. Auxiliary port, its application realizes the automation of automatic knitting machine from product design to garment piece knitting.


The single-stage electronic needle selector has the advantages of short needle selection, few needle selection parts, and minor wear of the parts. Still, it has high requirements for the machining accuracy and clearance fit of the parts. At present, the domestic mainstream automatic knitting machine adopts an eight-stage electromagnetic needle selection mechanism. The needle selector receives the electrical pulse signal from the computer controller through the interface and cable, without a mechanical drive, and the same-level electromagnetic force sensor controls each stage of the needle selection blade. , swing up and down to achieve single needle selection, the size of the tissue is not limited, and more consistent accuracy can be achieved across the entire knitting width. Most of the domestic equipment installs two-needle selectors in one loop forming system for secondary needle selection to achieve the purpose of the triple position.


To ensure that the electronic needle selection knitting machine can knit the required pattern smoothly, it needs to be matched with parts such as pattern design, information storage, signal detection, and control.


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