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Certain looms have 1×1, 2×1, and 4×1 shuttle boxes, which enables multicoloured weft<br />
yarns to be woven easily.<br />
Micro-computer control cam mechanism<br />
<strong>The</strong> cam control mechanism in the weaving loom enables effective automation, and is also<br />
easy to operate and maintain.<br />
<strong>The</strong> mechanism of these looms<br />
In an automatic pirn change weaving loom, the yarn extending from the cloth to the shuttle<br />
is cut near the shuttle, and the runout pirn is removed from the shuttle, thus unthreading<br />
the shuttle eye. <strong>The</strong>n, the new pirn is inserted into the shuttle with the end of the yarn held<br />
in a clamp. When the shuttle makes a first stroke with the pirn, the weft yarn is<br />
automatically drawn into the shuttle eye. <strong>The</strong>n, the old and new ends of the yarn are cut off<br />
by selvedge cutters located adjacent to the cloth.<br />
A transfer head is preferably provided for extracting the almost runout pirn from the<br />
shuttle and inserting the full pirn. This transfer head is adapted to move between two<br />
angularly space apart fixed positions, with one positioned for gripping a pirn in the shuttle,<br />
and the second positioned to be stationary beneath the transfer head.<br />
<strong>The</strong> joint comprises of a knotter that is adapted to receive at least a portion of the wire<br />
extending from the almost runout pirn to the shuttle eye, where the pirn is moved by the<br />
transfer head. It is also designed to receive a portion of the wire extending from a full pirn,<br />
when this pirn is moved by the transfer head. <strong>The</strong> stripper draws off the remaining wire<br />
from the runout pirn when the latter has been extracted from the shuttle and placed in the<br />
second position.<br />
To get the best quality pirns for using for fabric weaving, you can approach Trim<br />
Engineering Services, the leading pirn manufacturers in India, who not only supply their<br />
products to India, but also to countries like France, Italy, Spain, Germany, America, Brazil,<br />
Romania, Sri Lanka, Thailand, Malaysia, South Africa, Indonesia, Poland, and Israel; thus<br />
bringing them a global presence.<br />
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