Advancement in Ring Spinning | New Spinning Technology

Advancement in Ring Spinning | New Spinning Technology

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Advancement in ring spinning
New Spinning Technology 



New Spinning Technology is completed by a machine called a ring frame. It converts the bobbin into a yarn. The bobbin taken from the previous process fly frame is mounted on the ring frame either automatically or manually. The ring frame stretches the material employing a drafting 2s and 140s. Ring yarn is finer and hairier compared to the open end.

  • In-ring spinning an outsized number of changes had occurred for continuous improvement in production, quality, and efficiency.
  • Air suction.
  • Air pipes.
  • Additional air conditioning requirements.
Advantages:
  • Production of high strength yarns.
  • The spinning of fine yarn count.
  • Proper for special yarns.
  • It is flexible as regards quantities (blend & lot size)
  • The speeds in the drawing section are best controlled, yarn evenness is excellent. But if short fibers are an excessive amount of, yarn unevenness occurs.
  • Fine yarns are often produced as compared to the open-end spinning system,
Disadvantages:
  • Process stages are more numerous. Roving stages exists as an extra process compared to other systems.
  • The high speed of the traveler damages the fibers.
  • The capacity of the cops is restricted.
  • The energy cost is extremely high.
  • Low production rate.

Zones in Ring Frame:

There are a total of four kinds of zones.

  1. Creel zone
  2. Drafting zone
  3. Twisting zone
  4. Winding zone

Umbrella creel:


Umbrella creel
Umbrella creel

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Advantages:

  • Reduction in maintenance costs.
  • Easy creeling.
  • Space-saving as because most of the creel bars aren't used.

Disadvantages:

  • Higher initial cost.

Automatic roving transfer:

Automatic roving transfer
Automatic roving transfer


  • Automatic transfer of roving bobbins from roving frame to ring frame.
  • No deterioration in roving quality because of storage and handling.
  • Better yarn quality.

Drafting System:

Drafting System
Drafting System


In a conventional system
  • All gear is driven.
  • Difficulty with setting alteration.
  • Needs to change gears when some parameters to be changed, Example– draft, twist

Automated drafting system:

  • All rollers are driven by individual motors, controlled by individual drives.
  • Possible to alter draft and twist from the keypad. The fine turning of twist & draft adjustments possible.
  • Interfacing & drive communication through and other kinds of protocols make controls simple and really accurate.

Twisting zones:


Orbit ring:
The orbit ring/traveller system is supposed to spinning at top speeds whilst producing the best yarn quality.

SU ring:
The SU ring/traveller system is suitable for the processing of synthetics spinning at top speeds whilst producing the best yarn quality.

Features of Orbit system:

  • A large contact area between travellers and thus the ring. This reduces the precise pressure
  • The optimum cooling traveller to the ring.

Fig: Orbit system

Features of the SU system:
  • A large contact area between ring and traveller reduces the precise pressure.
  • The optimum cooling traveller to ring.

Fig: SU system


Compact spinning:

  • Compact spinning is simply the modification of conventional ring spinning systems.
  • Ring yarns which are spun on a ring textile machine without a spinning triangle, are unsurpassed in respect of their high strength and minimum hairiness.

Spinning triangle:

  • A long spinning triangle implies an extended liability more end breaks.
  • A short triangle represents a little liability fewer end breaks.
  • If it's too short then the fibers on the string must be strongly deflected to bind them in.

Yarn structure:

Comparison of conventional ring yarn & compact yarn:


Automatic doffing:

  • Used to make the doffing function automated
  • It has the foremost components
  •  

  1. Doffing Beam unit
  2. Servo Disc Belt
  3. ROBO DOFF unit

  • The doffer transfers the entire cops to the SERVO disc transport system, which conveys them either to the transfer station of the winder or to the fully automated ROBO load tube loader.
  • The SERVO disc prevents tilting and thus ensure smooth transport, while the machine already resumes yarn production.


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