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Dec 3, 20211 min

Winding Question & Answers Part-2

Updated: Dec 22, 2023

#Textile #Winding #Spinning #QandA #Gate #TF_Gate

Q. Compare between ordinary & automatic shuttle.

Ans:

Q. State the Importance or Effects of tensioning Device.

Ans:

Too high tension:

  • Can damage the yarn.

  • The breakage rate may be greater.

  • Elongation properties may change.

Too low tension:

  • Can lead to unstable or loose packages which will not unwind cleanly.

  • Variation in yarn tension in different parts of a wound package can cause undesirable effects.

For MMF:

Too high tension:-

  • Can cause molecular change which affects dyeability.

  • Random variation in color shading.

For Staple or Spun yarn:

Too high tension:-

  • May breakage at a thin place

Q. Differentiate between cone winding & cheese winding.

Ans:

Q. What are the requirements of a tensioning device? Write down the factors that influence fore selection for tensioner?

Ans:

Requirements:

  1. The device must be reliable to control uniformly in tension.

  2. It must be easily threadable.

  3. It must neither introduce nor magnify tension variation.

  4. It must not introduce differences in a twist.

  5. It must not be affected by wear.

  6. It must not easily adjustable.

  7. It must not be affected by the presence of oil and dirt.

  8. It must not encourage the collection of dirt and dust.

  9. It must be capable of easy cleaning.

  10. The operating surface must be smooth.

  11. It must be inexpensive or cheap.

  12. It must be simple in design & operation.

  13. It must not cause damage to the yarn.

Q. What is winding efficiency?

Ans:

It is the percentage expression of the ratio of actual production & calculated production.

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