Woven sacks Circular looms formulas
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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