Chapter Ten Jacquard Fabrics. 10.1 Elements of Jacquard Shedding 10.2 Preparation for Designing the Jacquard Fabrics 10.3 Steps in construction of Jacquard Design. Jacquard Fabric sample:. Jacquard Fabric sample:. 10.1 Elements of Jacquard Shedding. Introduction:
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10.1 Elements of Jacquard Shedding
10.2 Preparation for Designing the Jacquard Fabrics
10.3 Steps in construction of Jacquard Design
To weave a fabric on loom, forming a shed is necessary. The tappet shedding is the simplest one. It can be used to weave plain, twill etc. Later, the dobby was invented. It can be used to weave more complicated weaves, such as diamond, diaper and some compound weaves.
4: neck cord
7: horizontal needle
8: needle broad
10: spring box
1. Calculate the repeats
Where: a = number of vertical spaces in the block, which is usually assumed equal to the number of hooks in short row of Jacquard machine;
b = number of horizontal spaces in the block;
PO = warp density of the finished fabric;
Py = weft density of the fabric.
Where: RO is the warp repeat of the Jacquard weave.
Where: Ry is the weft repeat of the weave.
8/8 8/10 8/12
Studio techniques/conventional system.
Ⅰ. Designer: creating new ranges, pattern sketches
Ⅱ. Drafter: transferring sketch on to point paper complete with structure
Ⅲ. Cutter: semi-mechanical cutting methods, reading in weave structure from point paper.
Fig.10.4 Construction of jacquard design by electronic way
1. Get to know each part of the Jacquard machine at Fig.10.1.
2. Get to know how the design paper is selected.