Lesson 1Basic loom settings and parameters: recommended speeds for medium-sized factory looms, warp and weft tensions, pick density, take-up and let-off settingsDis part explain basic loom settings for calada, like speed, warp and weft tension, pick density, take-up, let-off. E show how to set, measure, fine-tune for steady run and right fabric quality.
Setting loom speed for fabric and yarn typeWarp tension setting and monitoringWeft insertion and tension adjustmentPick density, take-up, and let-off tuningRecording standard setting recipesLesson 2Warp winding, warping, and sizing: breaking down sectional warping vs direct warping, sizing chemistry and process parameters for strength and abrasion protectionDis part cover cone winding, sectional and direct warping, sizing for strong calada warps. E detail sizing recipes, add-on control, stretch, drying, how parameters affect strength, abrasion resistance, loom work.
Cone winding quality and package buildDirect versus sectional warping selectionSizing chemicals for strength and abrasionSizing add-on, viscosity, and drying controlWarp stretch, hairiness, and abrasion behaviorLesson 3Warp planning and beam preparation: calculating warp length, required ends, wastage, beam creel layout and quality checksDis part explain warp planning for calada, ends calculation, warp length, wastage, beam count. E cover beam build quality, creel layout, tension balance, check before put on loom.
Calculating required ends and set widthWarp length, allowances, and wastageBeam density, hardness, and build qualityCreel layout for balanced tensionBeam inspection and identification tagsLesson 4Yarn selection for woven calada: fiber choice, yarn count ranges, ply, and pairing warp/weft for balanced performanceDis part cover yarn pick for woven calada, fiber type, yarn count, twist, ply, pair warp weft. E link yarn properties to strength, abrasion resistance, stability, fabric comfort.
Fiber choice for strength and durabilityYarn count ranges for calada fabricsTwist, ply, and hairiness controlMatching warp and weft performanceTesting yarn strength and evennessLesson 5Tying-in/knocking-in and loom commissioning: methods for replacing beams, knotting techniques, initial trial runs and setting starting tensionDis part cover tying-in, knocking-in when change beams, knotting ways, loom start. E detail first trials, check sheds, set starting tensions before full production.
Hand tying-in and knotting techniquesUsing automatic tying-in machinesKnocking-in new warps on existing loomsTrial runs, shed checks, and first metersAdjusting starting tensions and settingsLesson 6Safety and maintenance during loom setup and operation: lockout-tagout, guarding, tool use, cleaning while stopped, ergonomic considerationsDis part focus on safe loom setup and run. Topics include lockout-tagout, guarding, safe tool use, clean when stop, housekeeping, ergonomic ways to cut strain in warp handling and adjustments.
Lockout-tagout during setup and repairsMachine guarding and pinch-point risksSafe tool use and cleaning proceduresErgonomic handling of beams and reedsRoutine checks and minor maintenanceLesson 7Drawing-in, denting, and lease arrangement: step-by-step drawing-in methods, reed selection, denting plans and importance for fabric densityDis part describe drawing-in, lease handle, denting for calada fabrics. E cover drafting plans, lease order, reed pick, denting plans, how dem choices affect density, cover, run performance.
Reading and applying drafting plansLease rods, cross order, and mix-upsReed selection by count and widthDenting plans for density and coverChecking ends order before loom startLesson 8Weave selection and rationale: plain, twill, and reinforced twill structures; choosing weave for strength and abrasion resistanceDis part explain how to pick plain, twill, reinforced twill weaves for calada. Focus on balance strength, abrasion resistance, cover, handle, productivity wid weave diagrams and performance compare.
Plain weave structure and performance limitsTwill and reinforced twill for heavy-duty fabricsWeave factor, cover, and yarn stress analysisSelecting weaves for abrasion and tear strengthLesson 9In-process quality checks for woven production: monitoring broken ends, weft density, selvedge control, fabric width and GSM measurement methodsDis part detail regular checks on loom, like broken ends, weft density, selvedge quality, width, GSM. E explain measure ways, record formats, quick react to problems.
Broken end monitoring and stop motionsWeft density and pick variation checksSelvedge appearance and edge controlFabric width and GSM measurement methodsQuality data logging and response actionsLesson 10Common defects, root causes, and corrections: handling broken ends, barring, double picks, reed marks and corrective actionsDis part review common woven defects in calada, like broken ends, barring, double picks, reed marks. E explain root causes in yarn, warp, loom settings, systematic fix and prevent actions.
Broken ends, slack ends, and streaksBarring from count or tension variationDouble picks, missing picks, and floatsReed marks, temple marks, and stainsRoot cause analysis and corrective plans
