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Woven Sacks

Welcome to our woven sack community! We're your go-to hub for woven sack insights, tips, and calculators. Dive into our articles to master sack formulas and techniques. Don't forget to comment and share your thought, questions, and suggestions in the comments section below each post. If you find our content useful, don't hesitate to share it with your friends, colleagues, and fellow enthusiasts. Together, let's spread the knowledge and passion for woven sacks!

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Woven sacks Circular looms formulas

December 08, 2016

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 : ...

Some useful calculation for Tape Plant extrusion process (Woven Sack/ Raffia)

November 13, 2019

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 / Initial 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.) ...

Woven Fabric GSM Calculation - WOVEN SACKS PLANNING FORMULA

June 02, 2019

GSM stands for Gram per Square Meter. In simple words, it is the calculation of the weight in grams for one square meter fabric. In most cases, we need these calculations while we are in the preproduction phase. It helps us to precisely compute what denier we should run in our flat yarn tape line plant. Polypropylene Woven Fabric GSM Calculation can be done by various methods when different factors are given for calculation. We can calculate GSM of Polypropylene Woven Fabric when combinations of the following factors are given; 1. Sack Weight and area is given 2. Mesh Size and Denier is given 3. GPM (Gram Per Meter) and Width of the woven fabric is given We will explain each method step by step to perfectly and accurately calculate the Woven Fabric GSM with examples. Polypropylene Woven Fabric GSM Calculation by various methods 1. When Sack ...

GSM to Denier calculator

February 14, 2024

Calculate Denier from GSM Calculate Denier from GSM GSM: Warp Mesh: Weft Mesh: Calculate Nominal Denier: Shrinkage %: + - Machine Denier:

U+2 FIBC Bag with FS & DS - Weight Calculator | Precise Estimation Tool for Big Bag UN Bag

May 01, 2025

U+2 FIBC Bag with FS & DS - Weight Calculator | Precise Estimation Tool U+2 FIBC bag with FS & DS - weight calculator. Dimensions Bag Size L B H Loop Att. Free Height Short Height long Height FS Dia Height DS Dia Height Fabric GSM / Webbing GPM U pannel UNc Lam Total Side pannel UNc Lam Total Top pannel UNc Lam Total FS Fabric UNc Lam Total DS Fabric UNc Lam Total Tie GPM ...

FIBC Bulk Bag Calculator - Baffle Bag with FS & DS formula

February 07, 2025

FIBC Baffle Bag Weight Calculator FIBC Baffle Bag Weight Calculator Bag size (Int.) Loop Att. Gram/Mtr Width Loop/Webbing Tie Diameter Height Filling Spout Discharge Spout Fabric Uncoated Coating Final Body Top Fab FS Fab DS Fab Baffle Fab Component Width Cut Len Cut Wt Side Fab (A+C) Side Fab (B+D) Base Fab ...

Coated Bag Planning Calculator!

March 25, 2024

"Welcome to our Bag Planning Calculator! Our calculator is finely tuned to handle precise measurements in inches and grams, ensuring accurate calculations for your bag production needs. Before you start, here are a few important points to consider: Bag Weight Adjustment: Remember to input the bag weight after deducting the weight of any prints, yarns, or Ez open stripes. This ensures that your calculations are tailored to your specific bag design. Measurement Accuracy: It's essential to input your measurements and weights accurately to achieve precise results. Even small variations can impact the final product. Bag Calculator Bag Width Bag Length Mesh Warp Mesh Weft Hemming Stitching SFSS SFDS DFSS DFDS Ez-Open with Fold ...

Circular loom Weaving Ring ID Calculation

July 31, 2021

ALL LOOM FORMULA Internal Diameter of the circular weaving loom is an important factor to produce the required width of the fabric. Hence correct Weaving Ring ID Calculation is very important prior to starting fabric production on the circular looms. Therefore, Wrong diameter calculation result incorrect fabric width, that may lead to serious quality issues if not tackled properly. We should also consider the ring diameter aligned with the Denier because higher and lower deniers impacts differently. There is a minor variation in the ring size if the denier is lower, medium or higher. If the denier is low then the ring ID will be slightly bigger however the ID will be slightly lower if we need to run a higher denier. A simple method for Weaving Ring ID Calculation Below is the step by step guide and formula to calculate the Internal Diameter of the Ring. Example 1 Let’s assume that we require 600mm (60cm) lay flat fabric. Hence we know that th...

DIE CLEANING TIPS

November 11, 2016

● Die cleaning is something few operators like to do. It’s hot. Your arms get tired. It’s not air-conditioned. There are a few things that can make the job easier. If available, try to use a fractional melt index LDPE to purge out with. It has been found that adding additional anti oxidant to the purge polymer before shutting down helps in removal of the polymer from the chrome surface of the die. Common coating grades of LDPE of 4 MI or higher are stickier than the fractional melt index resins, and continue to drip out of the parts left on the machine. After separating the die, use a mono and diglycerides to reduce the viscosity of the polyolefins to that of about water. You can almost wipe off the polymer with a cloth. Use it by melting the powder or flake form of mono and diglycerides and pouring it into a paper cup with a wooden tongue depressor as a handle. It is affectionately called a lollipop. Apply it on the poly left on th...

FIBC Circular Bag Weight Calculator | Accurate Bulk Bag Weight Estimation | BIG BAG Formula

February 28, 2025

FIBC Circular Bag Weight Calculator – Calculate Jumbo Bag Weight Instantly This FIBC Circular Bag Weight Calculator is designed to help you quickly and accurately estimate the weight of circular bulk bags. Whether you're in manufacturing, procurement, or quality control, this tool simplifies the process of weight calculation for FIBC (Flexible Intermediate Bulk Containers). This tool helps manufacturers and buyers ensure precise weight calculations, reducing errors in production and cost estimation. FIBC Circular Bag Weight Calculator Bag size (External) Loop Attachment Gram/Mtr Width Loop Att. Tie Diameter Height Filling Spout Discharge Spout ...