Winding Principle of Simplex
There are two winding principle of simplex. They are,In simplex the bobbin speed must be higher than the flyer speed for winding. If the flyer speed is NF and bobbin speed is NB. They according to...
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Comber
To remove short fibers, neps, impurities by using a comb is called combing. These removes by brushes and rollers which assisted of combs. This process is done by a comber machine. This process is...
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Fabric Machine
Fabric machine knits fabric in a continuous interrupted length of constant width, width depends on the dia of roller.Feature of Fabric Machine: The feature of fabric machine is given below,The knit...
View ArticleBeating-Up
Beating up is the third and final primary motion in weaving; it performs driving the last pick of weft to the fell of the cloth.Types of Beating Up:According to number of beat-up:Single beat-up.Double...
View ArticlePicking
Picking means inserting a weft thread across the warp through during weaving. Picking is the second primary motion in weaving.Over Pick: When picking arm position is situated above the shuttle box then...
View ArticleLet Off Motion
The motion which delivers the warp from the warp beam at the required rate that a suitable constant tension by unwinding it from a flanged bobbin called let off motion.Functions of let off motion:To...
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Soap
Soap is a metallic salt of saturated or unsaturated higher fatty acid. There may be Pb, Mg, Ca or other metallic salts. Soap is made up commercially by boiling natural oil.The following oil is used in...
View ArticleDetergent
Basic detergents are surface active compound. The compounds which get orient at the interface and reduce interfacial tension or surface tension are called surface active compound or detergent. Or, A...
View ArticleDifference between scouring and souring:
The difference between scouring and souring is given below, ScouringSouring1. To remove oil, wax, impurities etc.1. Not to remove any impurities but for neutralization.2. Scouring is done in alkaline...
View ArticleScouring of Man Made Fiber
Man made fiber are comparatively free from impurities and so much milder methods of scouring are applied for them,Nylon:i.Synthetic detergent = 1.5-2 parts/L.ii.Sodium Carbonate = 0.5-1.5...
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Desizing
The aim of desizing is the elimination of the size material from the fabric. Fabric which has not been desized is very stiff, causing difficulty in its treatment with different solutions in subsequent...
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Garments Dyeing with Reactive Dyes (Hot Brand)
Recipe: Wetting agent = 0.5-1 g/L Sequestering agent = 0.-1 g/L Anti-foaming agent = 0.5-1 g/L Dyes = X% Glauber salt = Y g/L Alkali = Z g/L Time = 30-60 minute Temperature = 90-100ºC pH = 10.5-11...
View ArticleDifference between Carding and doffing action
The difference between carding and doffing action is given below, Carding Action Doffing Action 1. Two surfaces wire point are inclined in opposite direction and their speed direction is also...
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Ballon Theory
The rotation applied to departing yarn drawing at high speed of the yarn unwinding from a stationary spinning cop, the yarn is thrown by centrifugal force away from the cop axis and circumscribes in...
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Enzymatic Desizing
Enzymes are specific bio-catalysts of organic origin which are produced by living organisms in living cells and accelerate chemical reactive. The molecular weight height but different from chemical...
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Gas Singeing Machine
This is the most commonly used process for both woven and knit fabrics.Singeing Procedure: This machine can singed both parts/sides.At first the fabric is drawn on to the guide roller and the brushing...
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Seam Classification
There are 100types of seam. Here 6types of seams are discussed that are mostly used in garments. These six types are,Super imposed seam.Lapped seam.Bound seam.Flat seam.Decorative seam.Edge...
View ArticleEffluent Treatment Plant
To save environment, Effluent Treatment Plant used in Textile Industry. Different Section of Textile Manufacturing unit passes huge pollutants water which is very harmful for the nature and...
View ArticleMethods of Increasing Production (Knitting)
From the following methods we can increase the production of knitting. The methods are,1. By increasing machine speed: Higher the machine speed faster the movement of needle and ultimately production...
View ArticleGeneral Instructions for Final Inspection (Batching)
The general instructions for final inspection(Batching) are given below,1. All pieces will be graded on the base of 40 points per 100 linear yards mapping will be done on each piece to insure proper...
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How to Dye Cotton Yarn
There is a long story of Yarn Dyeing. Recent days to a craft project, hand dyed yarn can add a personal touch. To dye different types of yarn you can use many more natural materials including powdered...
View ArticleGinning of Cotton Seed
Ginning of seed cotton: The freshly picked cotton has seeds in it is called seed cotton. After picking the cotton fiber has to be separated from seeds. The process by which the seeds are separated from...
View ArticleCount in Different System
Tex: The yarn number or count in the tex system is the weight in grams of 1000m or 1km of yarn.The system is therefore a direct system simply define and simple to use. For fibers, the fineness is...
View ArticleYarn Friction
Friction is a very important factor in all phases of knitting. In case of yarn friction applies to resistance developed by yarn sliding over another yarn or over metallic or ceramic bodies. There are...
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Product Costing
Costing is a process by which to set a price of a product is calculated by considering all the related factors. Doing Cost Analysis is a very important task for a factory which runs for business...
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