Textile Engineering
Knitting
30 interactive Knitting tools. Every one shows its formula, a worked example and the standards it follows.
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- Air, Sea or Split: Late Shipment Expedite Sheet Worth of Choosing Style by Style
- Brownfield Expansion: What the Next Increment Costs Shared Plant the Proposal Forces
- Built Into the Fibre or Applied to the Cloth: What Protection Costs Over a Life What Moving to the Cheapest Protection Saves
- Buyer Chargeback: Contest, Fix or Accept Recoverable a Year
- Buyer Cost to Serve & Development Recovery Net Margin After Serving the Book
- Buyer Quotation Generator Order Value
- Buyer Terms & Effective Price Comparison Best Offer, Once Its Terms Are Paid For
- Buyer Test Plan & Laboratory Budget Laboratory Cost for the Range
30
tools
Knitting
Advanced Knitting & Hosiery · Knitting · Knitting, Hosiery & Stretch-Fabric Control
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Advanced Knitting & Hosiery 9
- Fleece & Terry Knit Loop Length and Plating Optimizer Balances the three yarn streams of a fleece or terry circular knit — face, tie and pile — into areal weight per stream, total fabric weight, pile height from the loop length difference and the share of weight the pile carries. Fabric Areal Weight g/m²
- Intarsia Carrier Stroke & Overlap Waste Optimizer Quantifies the cost of intarsia colour blocking: carrier stroke per block including edge overlap, total carriage travel against panel width, the overtravel that buys nothing, and the yarn consumed in overlaps per panel. Carrier Overtravel %
- Knitting Needle Hook Load & Fatigue Limit Calculator Estimates the peak load a knitting needle hook carries from running yarn tension and dynamic knock-over loading, compares it against the fatigue-limited allowable rather than the breaking load, and counts the cycles the needle will see in service. Fatigue Safety Factor ×
- Needle Butt Wear & Replacement Interval Applies Archard sliding wear to the needle butt against the cam track, converting machine geometry and speed into sliding distance per hour, wear depth, contact pressure and the running hours before the butt reaches its wear limit. Running Hours to Wear Limit h
- Seamless Knit Compression Zone Modeler Applies Laplace's law to a seamless compression garment: interface pressure at the distal and proximal circumferences, the resulting graduation, and the fabric tension needed to hit a target pressure at the ankle. Distal Interface Pressure mmHg
- Sock & Hosiery Cylinder Cycle and Chain Link Calculator Converts a sock design length and course density into total courses, pattern chain links, knitting time per sock, machine cycle time at a working efficiency, output per hour and stitches formed per sock. Machine Output socks/h
- Sock Pairing Yield from Length Variation Converts leg length CV into the probability that two socks taken at random will pair within tolerance, then contrasts it with the yield a sorted bin system delivers, and reports the singles and their cost per shift. Pairing Yield with Sorting %
- Spacer Fabric Thickness & Compression Predictor Predicts the compression resistance of a 3D spacer knit by treating each spacer monofilament as an Euler column: critical load per filament, fabric buckling pressure, column slenderness and thickness under a target compression strain. Compression Resistance kPa
- Warp Knit Rack Length & Two-Bar Run-in Ratio Calculator Balances front and back guide bar run-in on a two-bar tricot or raschel machine: runner ratio, stitch length per course for each bar, fabric produced per rack of 480 courses and the areal weight each bar contributes. Fabric Areal Weight g/m²
Knitting 11
- What Shrinkage Allowance to Cut a Knit Programme At Premium Sets the cutting allowance for a knitted programme from its own wash tests rather than from habit, by sliding the tolerance window across the shrinkage the fabric actually has and pricing every position against both the fabric it consumes and the garments it puts outside the measurement sheet. Publishes the allowance to cut at in each direction, the cut dimensions size by size, and whether the spread is wider than any allowance can hold. What Resetting the Allowance Saves cost
- Circular Knitting Production Calculator 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. Fabric per Shift kg
- Courses & Wales per Inch Calculator 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. Courses per Inch CPI
- Fabric Relaxation Shrinkage Calculator Measures lengthwise and widthwise relaxation shrinkage from marked sample dimensions before and after washing, and derives the area change and the GSM the fabric will settle at once relaxed. Length Shrinkage %
- Knitted Fabric GSM Predictor Predicts the grams per square metre of a knitted fabric from courses and wales per inch, stitch length and yarn count, by counting the loops in a square metre and the yarn length they consume. Predicted Fabric GSM g/m²
- Loop Shape Factor & Fabric Density Calculator Computes Munden's Kc, Kw and Ks constants and the loop shape factor for a knitted fabric, the dimensionless measures that predict whether a structure has reached its stable relaxed state. Loop Shape Factor Kc/Kw
- Machine Gauge to Optimum Yarn Count Matcher Matches a knitting machine gauge to a workable yarn count range, and checks needle spacing against yarn diameter so the chosen count will not jam the needle bed or knit slack. Optimum Yarn Count Ne
- Plating Yarn & Elastane Ratio Calculator Calculates the true elastane percentage in a plated knitted fabric from ground yarn count, elastane denier and the draft ratio it is fed at, so labelling and costing reflect what is actually in the cloth. Elastane Content %
- Spirality & Skewness Calculator Quantifies spirality in single jersey fabric from measured wale displacement, giving the percentage, the equivalent skew angle and the margin against an agreed acceptance limit. Spirality %
- Stitch Length & Course Length Estimator Derives stitch length from an unravelled course length and needle count, and reports the tightness factor that governs knitted fabric handle, dimensional stability and weight. Stitch Length mm
- Warp Knitting Runner Length & Beam Feed Calculator Converts tricot or raschel runner length per rack into the fabric weight a guide bar contributes, the yarn consumed per square metre and the beam feed rate the machine will demand at a given speed. Weight Contributed by This Bar g/m²
Knitting, Hosiery & Stretch-Fabric Control 10
- Circular Knitting Specific Energy, Cost per Kilogram & Carbon Derives production in kilograms per hour from the machine's own knitting geometry, adds drive, auxiliary and compressed air load, and reports specific energy in kWh per kilogram with the cost, the annual consumption and the carbon behind it. Specific Energy kWh/kg
- Elastane Plating Draft, Content Percentage & Retraction Force Derives the elastane loop length from the plating draft ratio, splits fabric weight between ground yarn and elastane to give the content percentage against target, and reports the extension the elastane is held at and the retraction force per centimetre of fabric. Elastane Content %
- Knit Tube Slitting: Open Width, Trim Loss & Marker Fit Derives the open width a knitted tube gives when slit, from needle count and wales per centimetre, deducts the edge trim, fits markers across the usable width and prices the strip left over - usually the largest single loss in the process. Open Width After Slitting cm
- Knitting Fault Locator: Repeat Spacing to Feeders and Needles Converts the measured spacing of a repeating knitting fault into courses and wales, and from there into the number of feeders or needles that must be involved - turning a ruler measurement on the inspection table into a specific list of parts to look at. Feeders Involved
- Knitting Order Allocation, Machine Count & Slack to the Due Date Converts an order in kilograms into machine hours, finds the smallest machine count that meets the due date once each machine's own changeover is deducted, and reports completion, slack and how much of the committed time is changeover rather than knitting. Machines Needed to Meet the Date
- Loop Length for a Target Finished Weight, Through Finishing Shrinkage Solves for the loop length that delivers a target finished fabric weight at the finished stitch density, then works back through length and width shrinkage to give the greige weight and density the knitting floor should expect to measure. Loop Length to Set mm
- Positive Feeder Slippage, Loop Length Error & Barre Spacing Compares a positive feeder's theoretical delivery against the length measured at the machine, converts the slippage into loop length and fabric weight error, and gives the vertical spacing of the banding that feeder-to-feeder variation produces. Feeder Slippage %
- Rib & Interlock Loop Transfer Strain, Tightness Limit and Speed Cost Works out the loop length a transfer actually demands from needle pitch and the cylinder-dial gap, distributes the shortfall across the loops that rob to supply it, and reports the resulting yarn strain, the tightest setting that will still transfer, and the speed the transfer courses cost. Transfer Strain as Share of Breaking Extension %
- Stitch Cam Setting Window, Tightness Factor & Fabric Weight Turns yarn count and loop length into the tightness factor, brackets the workable loop length between a tight and a slack limit, places the current setting inside that window, and reports needles, fabric weight and yarn consumption at the machine's running speed. Tightness Factor K
- Warp Knitting: Runner Lengths to Fabric Weight & Machine Output Turns guide bar runner lengths and yarn counts into fabric weight on a tricot or raschel machine: computes needles in the bed, yarn fed per rack, the weight each bar contributes, the resulting GSM, and the machine output in metres and kilograms per hour at a stated speed. Fabric Weight g/m²
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