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 go explain basic loom settings for calada, like speed, warp and weft tension, pick density, take-up, and let-off. E go show how to set, measure, and adjust fine for steady running and good 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 go cover cone winding, sectional and direct warping, and sizing for strong calada warps. E go detail sizing recipes, add-on control, stretch, drying, and how parameters affect strength, abrasion resistance, and 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 go explain warp planning for calada, including ends calculation, warp length, wastage, and beam count. E go cover beam build quality, creel layout, tension balance, and checks before putting 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 go cover yarn selection for woven calada, including fiber type, yarn count, twist, ply, and pairing warp and weft. E go link yarn properties to strength, abrasion resistance, dimensional stability, and 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 go cover tying-in and knocking-in when changing beams, knotting techniques, and loom commissioning. E go detail initial trials, checking sheds, and setting 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 go focus on safe loom setup and operation. Topics include lockout-tagout, guarding, safe tool handling, cleaning when stopped, housekeeping, and ergonomic ways to reduce strain during 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 go describe drawing-in, lease handling, and denting for calada fabrics. E go cover drafting plans, lease order, reed selection, denting plans, and how dese choices affect fabric density, cover, and running.
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 go explain how to pick plain, twill, and reinforced twill weaves for calada fabrics. Focus on balancing strength, abrasion resistance, cover, handle, and productivity using weave diagrams and performance comparisons.
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 go detail routine checks on di loom, including broken ends, weft density, selvedge quality, width, and GSM. E go explain measurement methods, recording, and how to fix quick when tings go off.
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 go review common woven defects in calada, like broken ends, barring, double picks, and reed marks. E go explain root causes in yarn, warp, and loom settings, and outline systematic fixes and preventions.
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
