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Woven sacks Circular looms formulas

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Picks per minute = cam RPM x Number of shuttles Gear Ratio = Haul off gear ratio X no of teeth of Haul off  Sprocket  ÷ motor gear  Sprocket .  Weaving Ring I.D = 2 x fabric width(mm)/3.14 OR = 2 x fabric width(inch) x 25.4/ 3.14  Elongation = Increase in length x 100 / Initial sample length Number of warp = 2 x fabric width x Warp Mesh (Inches) = 2 x fabric width x Warp Mesh / 2.54 (centimeters) Fabric Production per minute = 1.524 x PPM / Weft mesh Fabric GSM = Warp mesh x Warp Denier + Weft mesh x Weft Denier/228.6 Bags Weight = 50.8 x fabric width x Cut length x Warp mesh x Warp Denier + Weft mesh x Weft Denier/ 90,00,000 = Fabric Dfl. x Cut length X GSM/ 5000 ( warp mesh and weft mesh in inches, fabric width and cut length in inches) » For PP Unlaminated Fabric For Example, If you want to Produce 60cm x 90cm single fold bottom stitch 90 gram bag. For Production you need Two Things 1. Cut Length and 2. Denier For Cut Length :  Your Bag Length is 90cm + 4c
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Some useful calculation for Tape Plant extrusion process (Woven Sack/ Raffia)

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Spacer Size (mm) = (Stretching Ratio) ^1/2 x Width of Tape Stretching Ratio = ( Spacer Size/Tape Width )^2 Stretching Ratio = Stretching Godet Speed / holding Godet Speed Production Kg/hr = Denier x Final Line Speed x No of Tapes x 60 / (9000x1000) Production Kg/hr = Denier x Final Line Speed x No of Tapes/ 150000 Elongation % = Tape Final Length - Initial Length x 100 / Final Length Tape Thickness Stretched = denier / (9000 x Tape Width x Density) Unstarched Tape Thickness = (Stretch Ratio )^1/2 x stretched Tape Thickness Denier Setting Formula = Holding Speed x Actual Denier / Required Denier Denier to GSM Calculator Relaxation Speed = Stretching Speed - Annealing Speed x 100 / Stretching Speed Screw Speed Formula = Motor Speed x Motor Pulley  Diameter / ( Gear Ratio x Gera Box Pulley Diameter) Useful Width ( Flat Film) = Film Width - ( 2 x Spacer size) Main Motor RPM = (Gear Ratio X Screw RPM X Gear Box Pulley Dia) /( Motor Pulley Dia.) Learn More About Tape Pla
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Woven Sack (Raffia) Tutorial - Tape Plant Formula and important calculations

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Thank You for Watching For any further enquiry comment if you like this video please like and share on YouTube Spacer Size (mm) = (Stretching Ratio) ^1/2 x Width of Tape Stretching Ratio = ( Spacer Size/Tape Width )^2 Stretching Ratio = Stretching Godet Speed / holding Godet Speed Production Kg/hr = Denier x Final Line Speed x No of Tapes x 60 / (9000x1000) Production Kg/hr = Denier x Final Line Speed x No of Tapes/ 150000 Elongation % = Tape Final Length - Initial Length x 100 / Final Length Tape Thickness Stretched = denier / (9000 x Tape Width x Density) Unstarched Tape Thickness = (Stretch Ratio )^1/2 x stretched Tape Thickness Denier Setting Formula = Holding Speed x Actual Denier / Required Denier Relaxation Speed = Stretching Speed - Annealing Speed x 100 / Stretching Speed Screw Speed Formula = Motor Speed x Motor Pulley  Diameter / ( Gear Ratio x Gera Box Pulley Diameter) Useful Width ( Flat Film) = Film Width - ( 2 x Spacer size) Main Motor RPM = (Gear R
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