## How do you calculate weaving production?

Fabric Production Calculation

1. Loom Speed = Motor RPM * (Motor Pully Diametre)/(Loom Pully Diametre)
2. Loom Effeciency Percentage = (Actual Production/Calculated Production )* 100.
3. Moisture Regain Percentage = {(Yarn Weight – Dried Yarn Weight)/Dried Yarn weight} * 100.

## How is woven fabric cost calculated?

Suppose that we receive following fabric parameters which are required to calculate the fabric cost:

1. EPI = 100.
2. PPI = 80.
3. Warp count = 40 s cotton.
4. Weft count = 40 s cotton.
5. Fabric width=120 inches.
6. Warp crimp = 11 ℅
7. Weft crimp = 4℅
8. Waste percentage= 3℅

## How is PPI and EPI calculated?

Mark a square of 1 X 1 inch on the fabric using pen or pencil. Try to marks lines parallel to warp and weft direction. Cut 5 squares from a different place of the sample to calculate average EPI and PPI.

## What is RPM in loom?

The world’s fastest jet loom The figure “2,105 rpm” means that 2,105 weft threads are inserted per one minute. Our booth was packed with many visitors who came to see the world’s fastest ever jet loom.

## How do you measure yarn for weaving?

To calculate the amount of weft, you need to know warp width, the number of picks per inch, and the length of the weaving. I usually add ten percent to that number for weft take-up. (So for an 8″ wide warp woven at 20 picks per inch for 65″: 8″ x 20 x 65″ = 10,400″ divided by 36″/yd = 288 yd plus 10% = 317 yd.

## How do you measure yarn count of fabric?

The direct system is calculated with the formula N = (W/l) / (L/w). The indirect system uses the formula: N = (L/w) / (W/l). In these formulas, N is the yarn count, W is the weight of a sample of yarn, l is the unit of length, L is the length of the sample, and w is the unit of weight.

## How yarn count is measured?

Yarn count refers to the thickness of a yarn and is determined by its mass per unit length. It is usually measured by the number of grams per one kilometer of yarn, a unit of measure called “Tex”. In this system, the larger the number the finer the yarn and vice versa.

## Why is PPI more than EPI?

Normally EPI is more than PPI in fabric. Picks per inch is the number of weft yarns, per inch length of woven fabric that means how many weft yarns are contained in an inch of fabric. Basically, higher picks per inch creates compact, dense and finer fabric.

## What is RPM in textile?

Machine RPM (revolution per minute) decides how much (minimum) time is required to sew a specific length of seam with specific Stitch per Inch (SPI). RPM specifies how many times a needle dips through fabric per minutes.

How do you calculate weaving production? Fabric Production Calculation Loom Speed = Motor RPM * (Motor Pully Diametre)/(Loom Pully Diametre) Loom Effeciency Percentage = (Actual Production/Calculated Production )* 100. Moisture Regain Percentage = {(Yarn Weight – Dried Yarn Weight)/Dried Yarn weight} * 100. How is woven fabric cost calculated? Suppose that we receive following fabric…