De-Watering Machine | Objectives And Operational Parameter Of De-Watering Machine

De-Watering Machine

In the knit fabric finishing process; a de-watering machine is used after passing the hydro-extractor machine. After hydro-extracting the fabric, the remaining water is removed by the de-watering process. During the de-watering process, an additional chemical is used to soften the fabric. Different types of operational parameters are controlled during the de-watering process.

Objectives of De-Watering Machine:

Various types of objectives are achieved by the de-watering process. Followings are the main objectives of the de-watering machine.

  1. Excess or remaining water is removed or reduce by the de-watering machine.
  2. In most of the cases, softener is applying during de-watering process.
  3. Apply overfeed to give some compactor.
  4. Fabric is open from the rope form.
  5. Width-wise stretch of the fabric is done.
  6. Fabric is turn into plait form by this process.
  7. GSM of the fabric is controlled during de-watering.
  8. To control the crease mark of the fabric.

Operational Parameter of De-Watering Machine:

The following parameter is controlled during de-watering.

  • Speed: As much as possible (40-60 m/min). Higher the GSM lower the speed.
  • Over feed: As required. Higher the GSM higher the over feed.
  • Padder pressure: 3-7 bar as required. Higher the GSM lower the padder pressure.
  • Width: Fabric width is adjusted as per required width.
  • Stretch: 8 to 12% minimum than the requirement of customer.
De-Watering Machine:

Here, I have presented two de-watering machine brands with their profile.

  • Brand name: Weiss
  • Origin: Western Germany
  • Pressure: 50 psi
  • Speed: (60-70) m/min

Another,

  • Brand name: Bianco
  • Origin: Italy
  • Pressure: 50 psi
  • Speed: (60-70) m/min

Another famous brand is CALATOR BORAS, whose origin country is Sweden.

So, the de-watering machine has a great impact on the knit fabric finishing process.

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