Friday, April 13, 2012

Definition and Classification of Textile Neps | Count of Neps



Process Neps: Commonly produced by faulty carding or up to spinning yarn.

Mixed Neps: Fibres tangle around a foreign materials. For instance – Grit.

Immature Neps: Generally form by processing immature fibre.

Homogeneous Dead Neps: A tangle of nearly all dead fibres.

Fuzz Neps: A fault of short fuzz fibers .

Count of Neps
Nep count is the no. of neps per 100 square inches of card web forming ( a standerd hank of sliver of 12 NE on a 40 inch wide card).

How To Measure the Count of Neps?
At first a web is collected from the card placed on a 10 inch × 10 inch black board. Then the neps are counted and the no. of neps found is corrected fro any difference in hank or card width.
Mathematically, Nep Count, n = m × 100 [ m = no. of neps per inch square card web].
5 Textile Technology: Definition and Classification of Textile Neps | Count of Neps Process Neps: Commonly produced by faulty carding or up to spinning yarn. Mixed Neps: Fibres tangle around a foreign materials. For ins...
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