Rotary or Digital: Where the Two Cost Lines Actually Cross
Routes a print book design by design instead of by a rule of thumb. Rotary is almost all fixed cost — a screen per colour per colourway, strike-offs, setup.
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Processing & Finishing
Wet and dry processes that deliver the final hand and look. 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. The coverage also includes metrics, data tables, and example calculations so results are reproducible. Where regulations apply, we highlight jurisdiction, scope, and verification pathways. Tools and templates are provided to speed up daily work without sacrificing rigor.
Which Tests Your Own Laboratory May Run, and Which It May Not
Routes a buyer’s test programme through the standards crosswalk this site maintains, asking of every specified method whether your laboratory’s accreditation.
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Where the Shift Went
Splits a ring frame shift’s shortfall into the four causes that can be acted on separately – running under the designed speed, idle spindles, downtime and.
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How Often to Change a Part That Wears Out Slowly
Sets the change interval for the parts that never fail and only get worse – spin packs, travellers, card clothing, cots and aprons, screens – by balancing.
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How Much Size to Put on a Warp
Sets the size add-on for every warp quality by fitting the three levels a mill has actually run and balancing what a point of size costs to buy and to wash.
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What to Do With a Batch That Comes Out Off Shade
Works out the first move on an off-shade batch by looking forward to the last attempt the cloth will survive rather than at the cost of this one. Prices.
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Which Finishing Line Each Quality Should Run On
Loads a book of fabric across finishing lines that are not the same as each other, by working out what a metre of each quality actually costs on each machine.
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The Cheapest Route to a Denim Wash
Takes the wash-down a recipe actually reaches and finds the cheapest combination of processes that reaches the same one, inside the tensile loss the fabric.
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Where to Set the Acceptance Limit When the Laboratory Is Not Certain
Separates the two things a release test gets wrong – good lots downgraded because the reading was low, and out-of-specification lots shipped because the.
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Permanent or Contract: Sizing a Roll Against a Seasonal Book
Sizes the permanent roll against a month-by-month order book rather than against its average, charging contract labour at the productivity it actually.
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