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Basic pattern of warp knitting. Parallel yarns zigzag lengthwise along the fabric, each loop securing a loop of an adjacent strand from the previous row. Warp knitting is defined as a loop-forming process in which the yarn is fed into the knitting zone, parallel to the fabric selvage. It forms vertical loops in one course and then moves ...
The sizing machine improved the process by sizing a warp before putting it into the loom. The warp threads are first wound onto a large beam, which is then placed at one end of the sizing machine. Then the warp is drawn off the beam and passes through a bath of boiling size, between sets of rollers and cooled, dried and rewound onto another beam.
By contrast, in warp knitting, one yarn is required for every wale. [5] Since a typical piece of knitted fabric may have hundreds of wales, warp knitting is typically done by machine, whereas weft knitting is done by both hand and machine. [6] Warp-knitted fabrics such as tricot and milanese are resistant to runs, and are commonly used in ...
During knitting, the active stitches are secured mechanically, either from individual hooks (in knitting machines) or from a knitting needle or frame in hand-knitting. Basic pattern of warp knitting. Parallel yarns zigzag lengthwise along the fabric, each loop securing a loop of an adjacent strand from the previous row.
The warp-beam is a wooden or metal cylinder on the back of the loom on which the warp is delivered. The threads of the warp extend in parallel order from the warp-beam to the front of the loom where they are attached to the cloth-roll. Each thread or group of threads of the warp passes through an opening (eye) in a heddle.
A modern industrial knitting machine in action industrial circular knitting fabric machines. A knitting machine is a device used to create knitted fabrics in a semi or fully automated fashion. There are numerous types of knitting machines, ranging from simple spool or board templates with no moving parts to highly complex mechanisms controlled ...
A flat-knitting machine is very flexible, allowing complex stitch designs, shaped knitting and precise width adjustment. It is, however, relatively slow when compared with a circular machine. A knitting speed of up to 0.5 metres per second (1.6 ft/s) or slower is considered "low speed" in flat knitting which is generally seen in hand-flat machines.
1855 – Redgate combines a circular loom with a warp knitting machine; 1856 – Thomas Jeacock of Leicester patented the tubular pipe compound needle. 1857 – Luke Barton introduces a self-acting narrowing mechanism on S. Wise's knitting machine. 1857 – Arthur Paget patents a multi-head knitting machine called "Paget-machine".