Types of Carding Machines in Jute Spinning Technology

Jute carding:
The process by which long reeds of jute while passing through high speed pinned rollers are broken down into an entangled mass and delivered into the form of ribbon of uniform weight per unit length is called jute carding. Jute can not be speed in reed or strick form. During carding the network structure is broken and a thin web of separate fibers is obtained which is condensed into a sliver.

Types of jute carding machines:
There are different types of jute carding machine. Types of jute carding machines according to number of machines employed.

1. Mono Carding: The breaker and finisher card are to separate machines but the jute is directly delivered from the delivery of the breaker to the feed of the finisher card.

2. Dual carding: The breaker card and finisher card work separately and are not joined together.

  
Jute carding machine
Fig: Jute carding machine
3. Tandem Carding: The breaker card and the finisher card are combined together to form one carding machine. The two machines have common parts. The jute passes from doffer of the breaker card to the taker in of the finisher card.

Types of carding machines according to cylinder direction:
  1. Up striking: In this card the material moves over the cylinder
  2. Down striking: In this card the material moves under the cylinder
Types of carding machines according to path of jute:
  1. Half Circular: Here the jute travels half the circle of the cylinder.
  2. Full Circular: Here the jute travels the entire circle of the cylinder.
Types of carding machines according to Roller and Flat:
  1. Stationery Flat Card: In which the flats on the cylinder are fixed and cylinder moves.
  2. Revolving Flat Card: In which the flats on the cylinder are moving and cylinder moves.
  3. Roller Card: Breaker Card, Finisher Card 
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Editor-in-Chief:

Mazharul Islam Kiron is a textile consultant and researcher on online business promotion. He is working with one European textile machinery company as a country agent. He is also a contributor of Wikipedia.


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