card clothing in spinning

Yarn Manufacturing-1

Card Clothing

Prepared by:Utso Kumar SahaID No: 161-23-4622

Card Clothing Different parts of carding

machine are covered with different type of wire which are known as card clothing.

Card ClothingTo cover the surface of taker-in, cylinder, doffer and flat of a carding machine with the help of a number of unlimited fine, closely spaced and specially bented wire is called card clothing.

Card Clothing

Types Of Card Clothing

1. Flexible Card Clothing2. Semi –rigid Card Clothing3. Metallic Card clothing

Flexible Card Clothing

•Round or oval elastic wire•U-shape•A knee•E.g. flat bars

Flexible Card Clothing

Flexible Card Clothing Setting Patterns• Plain set• Twill set• Rib set• Sateen set

Count of Flexible Card Clothing

5inch sq.per points wireof No.countEnglish

720ft sq.per points wireof No.

AdvantagesFlexible Card Clothing •Higher points density.•Less damage.•Cheaply.•Exerts desirable force.•Easy repairing.

Disadvantages of Flexible Card Clothing •Less production.•Needs regular grinding.•Easily damage.•Wires become loose.

Semi-rigid Card Clothing•Flat or round wires•Sharp points•Less elastic•E.g. flat bars

Semi-rigid Card Clothing

Metallic Card clothing

•Flat wire•Metallic surface•Teeth•E.g. Taker-in,cylinder, doffer.

Metallic Card clothing

Advantages of Metallic Card clothing

•Machine surface as foundation•Teeths are metallic rigid •Works at different carding angel•Does not require regular grinding

Disadvantages Metallic Card clothing•Less point density•More fibre damage•Difficult to repair•Expensive

Point Density In Metallic Card clothing

Pitch(mm) width(mm)Base100cm sq.Points/

Pitch(mm) width(mm)Base

645inch sq.Points/

Pitch(mm) width(mm)Base100cm sq.Points/