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A loom from the 1890s with a dobby head. A dobby loom, or dobbie loom, [1] is a type of floor loom that controls all the warp threads using a device called a dobby. [2]Dobbies can produce more complex fabric designs than tappet looms [2] but are limited in comparison to Jacquard looms.
Dove and Rose jacquard-woven silk and wool double cloth furnishing textile, designed by William Morris in 1879. [1]Double cloth or double weave (also doublecloth, double-cloth, doubleweave) is a kind of woven textile in which two or more sets of warps and one or more sets of weft or filling yarns are interconnected to form a two-layered cloth. [2]
A warp-weighted loom (see diagram) typically uses a heddle-bar, or several. It has two upright posts (C); they support a horizontal beam (D), which is cylindrical so that the finished cloth can be rolled around it, allowing the loom to be used to weave a piece of cloth taller than the loom, and preserving an ergonomic working height.
The double rapier is used more frequently than the single rapier due to its increased pick insertion speed and ability to weave wider widths of fabric. The housing for the rapiers must take up as much space as the width of the machine. To overcome this problem, looms with flexible rapiers have been devised. The flexible rapier can be coiled as ...
This is a rectangular frame to which a series of wires, called heddles or healds, are attached. The yarns are passed through the eye holes of the heddles, which hang vertically from the harnesses. The weave pattern determines which harness controls which warp yarns, and the number of harnesses used depends on the complexity of the weave.
A weaving shed, showing how all the looms were powered from overhead shafts. The early mills had a vertical shaft to take the power from the flywheel. On each floor horizontal shafts engaged with the main shaft using bevel gearing. American mills used thick leather belts instead of shafts. A new approach was to use thick cotton ropes.
Doubling is a textile industry term synonymous with combining. It can be used for various processes during spinning.During the carding stage, several sources of roving are doubled together and drawn, to remove variations in thickness.
[4] To use a temple, the length is first adjusted so that it matches the total width (or spread) of warp threads in the reed. The prongs are then inserted into the fabric, on each side, at the very edges of the cloth. The temple must be moved frequently to keep it close to the fell of the fabric, where the weaving is taking place. [2]