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The winding step can occupy an area of up to 60 degree of the coil circumference for round coil bobbins and takes one side of rectangular coil bobbins. The area of the winding step is dependent on the wire gauge and coil bobbin geometry.
Yarn winding machine from 1956 used at the knitwear factory Salhus Tricotagefabrik in Bergen, Norway . Winders are used heavily in textile manufacturing, especially in preparation to weaving where the yarn is wound onto a bobbin and then used in a shuttle.
An extra pulley tack-welded on, to drive the bobbin winder. Models 27 and 28 were designed before electrified sewing machines were common, and the location of the bobbin winder reflects this. It is positioned to intercept the treadle belt as it passes back down into the cabinet. Motorization removes the treadle belt and so opens the question of ...
The primary invention here is "a method of filling a hollow needle with a coil of thread which consists in winding the thread on a flexible core to form a bobbin, inserting the bobbin in the hollow needle, and then withdrawing the flexible core, leaving the coil of thread therein, substantially as described." 1883- Spool Case [18]
A boat-shaped (German: schiffli) shuttle carries the bobbin thread, which is also known as the schiffli yarn. There is one shuttle per needle. [3] When the front-side needle pierces the fabric it passes the embroidery thread through the fabric from front to rear. As the needle withdraws it forms a loop on the back side of the material.
A bobbin or spool is a spindle or cylinder, with or without flanges, on which yarn, thread, wire, tape or film is wound. [1] Bobbins are typically found in industrial textile machinery, [2] as well as in sewing machines, fishing reels, tape measures, film rolls, cassette tapes, within electronic and electrical equipment, and for various other ...
Once the bobbin is full, the hobby spinner either puts on a new bobbin, or forms a skein, or balls the yarn. A skein is a coil of yarn twisted into a loose knot. Yarn is skeined using a niddy noddy or other type of skein -winder. Yarn is rarely balled directly after spinning, it will be stored in skein form, and transferred to a ball only if ...
Mean Length Turn, sometimes Mean Length per Turn is the mean length of winding turn in a coil, usually referred to by the initials MLT.The dimensions of a coil former or bobbin define the MLT of a full wound coil. [1]
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