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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.) ...

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 ...

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:

TYPES & USES of FIBCs

June 04, 2017

U -PANEL BAGS Two piece, U-Panel construction that has two seams sewn along the two opposite sides to create two panels, creating a “U” Panel shape. Accepted as the industry standard around the world, the U-Panel FIBC is the most popular FIBC shape. This construction gives the bag a large lifting capacity. FOUR-PANEL BAGS It is the original polypropylene design, Four-Panel Bulk Bags (FIBCs) have seams along four separate pieces of fabric that are sewn together to construct the body of the bag as well as having the top and bottom panels sewn in. Four-Panel bags tend to hold their shape better than other types of bags and are better suited for stacking. CIRCULAR WOVEN BAGS A Circular or Tubular bag is woven into a cylinder or tube and cut to the correct size. The most common construction type is a circular fabric on the body with a sewn square base. As there are no seams in this construction, this creates for a more aesthetically pleasing bag, and with only a top and bottom panel...

Enhance Your FIBC Fabric Planning with This Advanced Calculator

January 12, 2025

Woven Sack Calculator Specialized RI GSM Calculator for FIBC Input Fabric size in CM Fabric Type Flat Tubular Number of RI + - Size of RI in CM + - Warp denier (Add 3% to 5% shrinkage) Warp Mesh Weft denier (Add 3% to 5% shrinkage) Weft Mesh ...

Denier To GSM Calculator - Textile GSM Calculator: Warp and Weft Analysis Tool

February 20, 2024

GSM Calculator Warp WP Denier: WP Mesh: Weft WT Denier: WT Mesh: Calculate Warp GSM: Weft GSM: Total GSM:

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...