Frequent question: How do you calculate yarn consumption in weaving?

How do you calculate yarn consumption?

  1. Indirect system. Total No. of hanks per one pound is the count of that yarn (Ne) i.e. if 10 hanks (10 x 840 yds. or 7680 meters) weighs one Pound or 0.454 Kg, then the Count of Yarn in indirect system 10s or 10Ne. …
  2. Direct System. Count = Weight in grams per 9000 meters of yarn. …
  3. Universal System.

How do you calculate yarn 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 many yarns do we use while weaving?

In weaving, two sets of yarns are used simultaneously to make a fabric, whereas in knitting, a single yarn is used to make a fabric.

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How is PPI and EPI calculated?

In woven fabric EPI and PPI is measured to the number of yarn in a fabric. EPI means ends per inch and PPI means picks per inch. Number of yarn in warp direction is measured by EPI and number of Weft yarn in fabric is measured by PPI. … Ends per inch and Picks per inch are counted by the magnifying counting glass.

What is yarn consumption?

Yarn consumption is measured from woven stuff specification. Yarn consumption way warp weight calculation together with weft weight calculation of woven fabric. There are unlike yarn consumption formula for woven fabric.

What is TPM in yarn?

The twist level can be measured in Turns per inch (TPI) or Turns per meter(TPM). In order to maintain the same surface twist angle and similar yarn/thread characteristics for all sizes of sewing thread, Twist Multipliers (TM) are used to establish the level of TPM or TPI required.

How is weaving cost calculated?

The weaving cost is expressed as paisa /pick/inch/sq mt. The cost of weaving is different for different weaves. The cost of weaving for rapier loom for plain weave 40″ width fabrics = 8 paisa/pick/inch/sq nmt which means that for a 120 inch width fabric the cost will be 24 paisa/pick/mt.

How do you calculate ends per inch in weaving?

E.P.I. are ends per inch and is what your warp sett will be. It can be determined by wrapping around a ruler just to touch, don’t smoosh together. Count the wraps and divide by 2 for plain weave, divide by 2/3 for twill because you need more warps per inch to weave a balanced twill.

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How much yarn do you need for a tapestry?

Each “fist” uses about 9 yards of tapestry wool – that is an area of approximately 2 inches by 3 inches. So, it takes about 9 yards of needlepoint tapestry yarn to cover 6 square inches of canvas.

What are the 3 basic weaves?

The way the warp and filling threads interlace with each other is called the weave. The majority of woven products are created with one of three basic weaves: plain weave, satin weave, or twill weave.

Is weaving faster than knitting?

Knitting is faster than braiding, but slower than weaving or twisting. Unlike weaving, braiding and twisting, knitting does not require the use of special yarn packages.

Can you use any yarn for weaving?

The obvious answer to this question is whatever size you want. Truly you can use whatever yarn thickness you desire and also incorporate non-yarn items. However, when you are new to weaving picking out yarns for your weave can be daunting so I’m going to share my best recommendations.

Why is EPI higher than PPI?

You can do that just by sitting on your chair. For a newbie, EPI stands for Ends per inch and PPI stands for Picks per inch. Where Ends is known as Warps and Pick are known as weft yarn. … In most fabrics, EPI is higher than the PPI.

What is ends per inch of fabric?

Ends per inch (EPI or e.p.i.) is the number of warp threads per inch of woven fabric. In general, the higher the ends per inch, the finer the fabric is. Ends per inch is very commonly used by weavers who must use the number of ends per inch in order to pick the right reed to weave with.

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What is crimp percentage?

crimp percentage is defined as the mean difference between the straightened thread length and the distance between the ends of the thread while in cloth which is expressed as a percentage.