Covers fabric constructions from woven and knitted to nonwovens and composites. Details GSM, cover factor, drape, air permeability, pilling resistance, and handle. Includes test methods and how structure drives performance. This section explains practical decision criteria, typical test methods, and failure modes that matter in real production. Readers get checklists, calculation steps, and case examples connecting specifications to cost, reliability, and compliance. Links map core concepts to upstream inputs and downstream processes so choices remain consistent across sourcing, manufacturing, and end-use performance. Each article includes definitions, diagrams where helpful, and plain-language notes to help newcomers ramp quickly while giving experienced professionals the depth needed to troubleshoot and optimize. Standards references are cited with context, and whenever trade-offs exist, we make them explicit so you can defend decisions.
Weaving & Fabric Construction
Calculates warp and weft crimp and take-up percentages from straightened yarn lengths measured against the fabric sample, the figures that drive yarn consumption, fabric weight and loom take-up settings.
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Warping & Sizing
Splits a total warp end count across the available creel pegs, returning the number of warper beams required, an even ends-per-beam distribution, creel utilisation and the spare pegs left over.
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Knitting
Converts loop counts taken over a measured knitted sample into courses per inch, wales per inch, metric equivalents and stitch density, the base measurements for every other knitting calculation.
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Weaving & Fabric Construction
Applies Peirce’s cover factor equations to give warp, weft and total cover for a woven construction, plus the percentage of the fabric plane covered by yarn and the open area left for air and light.
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Knitting
Converts circular knitting machine speed, feeder count, needle count and stitch length into fabric output in kilograms per hour and per shift, along with the yarn length and course rate the machine consumes.
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Narrow Fabrics, Tapes & 3D Weaving
Calculates braid angle from mandrel diameter, carrier rotation speed and take-up speed, and returns the braid pitch, the yarn feed rate each carrier must sustain and total yarn consumption for the braided length.
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Weaving & Fabric Construction
Estimates the reed force needed to beat a pick into the cloth fell, from pick spacing, weft yarn diameter and total warp tension, and reports how close the construction runs to weft jamming.
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Warping & Sizing
Calculates how many metres of warp a beam will hold from its flange diameter, barrel diameter, width and yarn packing density, and reports the yarn mass and winding height that result.
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Weaving & Fabric Construction
Estimates compressed air demand for an air-jet loom from main and relay nozzle consumption per pick and insertion rate, converting it into cubic metres per hour, CFM, compressor energy and running cost.
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