Question:

Which of the following blending process is recommended to get the uniform blending of fibres?

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  • Blending aims to mix different fibers uniformly.
  • Blowroom blending} (tuft blending) is the earliest and a fundamental stage for intimate mixing.
  • Drawframe blending} (sliver blending) further improves uniformity.
  • For best results, often both stages are used. Blowroom is key for initial homogeneity.
Updated On: May 27, 2025
  • Carding
  • Drawframe
  • Blowroom
  • Comber
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The Correct Option is C

Solution and Explanation

Uniform blending of fibers is crucial for producing consistent yarn. Blending can occur at different stages:
  • Blowroom: This is the earliest stage where different bales of fibers are opened and mixed. Machines like multi-mixers or hopper blenders are used for tuft blending. This initial mixing is vital for achieving homogeneity throughout the bulk.
  • Carding: While carding individualizes fibers, its primary role is not blending, though some mixing occurs.
  • Drawframe: Sliver blending at the drawframe (by doubling multiple slivers) is a very effective method for improving blend uniformity, especially longitudinally.
  • Comber: Combing is for removing short fibers and improving parallelization, not for blending.
To achieve the most uniform blending, it is generally recommended to start the blending process as early as possible. Therefore, blending in the Blowroom (tuft blending) is essential for good initial uniformity, which can then be further refined at the drawframe. If a single stage must be chosen as "recommended" for initiating uniform blending, the blowroom is the key starting point. \[ \boxed{\text{Blowroom}} \]
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