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Typical Flow Chart of Short Staple Spinning

Typical Flow Chart of Short Staple Spinning
Mustaque Ahammed Mamun
Quality Assurance Officer,
Lamisa Spinning Ltd. Tongi, Gazipur
Cell: +8801723300703
Email: mamuntex09@gmail.com



Introduction:
Spinning is a major part of the textile industry. It is part of the textile manufacturing process where three types of fiber are converted into yarn. In short staple spinning various machine and process are used. Typical flowchart of short staple spinning is given below.
short staple spinning
Short staple spinning
Typical Flow Chart of Short Staple Spinning

Blowroom

Carding

Drawing

Roving Frame

Ring Frame

A short description of the above process:

Blowroom:
The blowroom is the first step of yarn production in the spinning mill. Bales are taken to the blowroom and prepared for the process.
 

Briefly, basic operations in the blowroom are,
  • Opening
  • Cleaning
  • Dyust removal
  • Blending
  • Even feed of material to the card
Carding:
Carding is the most important process in spinning. It is always considered by the experts that card is the heart of the spinning mill. The importance of carding is still greater where new spinning systems are concerned.

Drawing:
Drawing is the operation by which slivers are blended, doubled and leveled. In short staple spinning the term is only applied to the process at a draw frame. In drawing slivers are elongated when passing through a group of pair rollers, each pair is moving faster than previous one.

Roving Frame:
Roving frame is used for reduce the weight of the drawn sliver by the drafting and low twisting is applied to the roving.

Operations Involved in roving frame
  • Creeling
  • Drafting
  • Twisting
  • Winding
  • Building
  • Doffing
Ring Frame:
Ring frame is used for producing required count of yarn from the supplied roving by the drafting. It is the last machine of typical spinning operation.

Operations involved in ring frame:
  • Creeling
  • Drafting
  • Twisting
  • Winding
  • Building
  • Doffing

Note: Pre-drawing, post-drawing, lap forming, combing, winding and heat setting are also used in short staple spinning. In this flowchart I have only discussed typical process.


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