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Lecture 17Lecture 17
Cutting DepartmentCutting Department
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Marker making….Marker making….
Efficiency of marker Efficiency of marker = (Area of patterns in marker plan / Total area of the = (Area of patterns in marker plan / Total area of the
marker plan) X 100 marker plan) X 100
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Cutting Losses…Cutting Losses…
End LossEnd Loss Width LossWidth Loss Splice LossSplice Loss Buffer LossBuffer Loss Remanent LossRemanent Loss
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Cutting LossesCutting Losses
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Objectives…Objectives…
Objective of cutting is to separate Objective of cutting is to separate fabric parts as replicas of the pattern fabric parts as replicas of the pattern pieces in the marker plan. pieces in the marker plan.
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Points to be considered…Points to be considered…
Precision of cutPrecision of cut– Accurate cutting according to the markerAccurate cutting according to the marker
Clean edges:Clean edges:– Raw edges of fabric should not be frayedRaw edges of fabric should not be frayed
Un-fused edges:Un-fused edges:– Edges are fused due to the heat generated Edges are fused due to the heat generated
due to the friction of blade and fabricdue to the friction of blade and fabric
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Cutting method & Instruments…Cutting method & Instruments…
1.1. ManualManual– Hand shearsHand shears– Straight KnifeStraight Knife– Round KnifeRound Knife– Band KnifeBand Knife– NotchersNotchers– Drills and Shear markersDrills and Shear markers
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Manual CuttersManual Cutters
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Cutting method & Instruments…Cutting method & Instruments…
2.2. Computer Controlled CuttingComputer Controlled Cutting– Straight KnifeStraight Knife– Die cuttingDie cutting– Laser cuttingLaser cutting– Plasma cuttingPlasma cutting– Water jet cuttingWater jet cutting– Ultrasonic cuttingUltrasonic cutting
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Automatic CuttersAutomatic Cutters