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Finihing machine

Presentation about 'Finihing machine'

sheshir
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Finihing machine

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  1. Finishing Machines

  2. Prepared By : Prepared By : Mazadul Hasan sheshir ID: 2010000400008 13thBatch (session 2009-2013) Department : Wet Processing Technology Email: mazadulhasan@yahoo.com Blog : www. Textilelab.blogspot.com (visit) Southeast University Department Of Textile Engineering I/A 251,252 Tejgaon Dhaka Bangladesh ©right

  3. Finishing:

  4. slitting machine • The slitting machine is used in processing fabrics in the open line in the fishing section. The slitting machine consists of a blade and a sensor attached to the blade which indicates the needle line during slit opening the fabric for processing. In the slitting machine the fabric is passed through the twister over the basket containing exhaust fan for circular dropping of the fabric and the blade for cutting the needle line of the fabric and then from the padder and immersion roller through to the turning and delivery roller. Finally the open width fabric is delivered.

  5. Function of the Machine: • Slitting the fabric to turn tubular fabric to open width fabric. • Softening the fabric by applying softeners. • Reducing the content water in the fabric. • Squeezing the fabric for proper chemical penetration.

  6. Main Parts of the Machine: • J-Box. • Twister. • Centering Roller. • Basket with Exhaust Fan. • Knife. • Padder/ Immersion roller. • Turning Roller. • Tension Roller. • Sensors. • Free Roller

  7. Schematic Diagram of Slitting Machine Centering Roller Delivery Roller Twister Basket Sensor J-Box Knife Tension Roller

  8. Over feed and Padder pressure of Slitting Machine:

  9. Squeezing Machine • Squeezing machine is used for extracting water from dyed fabric by squeezing through rollers having different pressure. Squeezer machine designed to extract water from piece goods treated in rope form. They are used as an intermediate devices such as washers or autonomous devices. In the latter case they are usually full-width squeezers. The first padder rollers gives proper squeeze to the fabric and extracts the water and the second squeeze roller passes the fabric half the speed of the first squeeze roller which causes the softener chemicals to properly pass into the fabric.

  10. Function of the Machine: • To reduce fabric surface water content. • Squeezing the fabric for proper softening chemical penetration. • Applying softening chemicals to the fabric.

  11. Main Parts of the machine • Polyreference or Centering roller. • Bello. • Bello Alarm. • Chemical Tank. • Tension roller • Squeezing roller. • Guide Belt. • Guide Roller.

  12. Over feed and Padder pressure of Squeezing Machine:

  13. Schematic Diagram of Squeezing Machine

  14. Stenter Machine: • The Stenter machine consist of 7 drying chambers, padder rollers and a weft straightening section which enables the machine to control Spirality, Shrinkage, GSM during the fabric passage. During processing first the fabric is passed through the padding section or squeezer for properly squeezing the fabric and processing softening treatment of the fabric through feed roller and guide roller. Then it goes through the weft straightening section where by bowing roller fabric spirality is controlled and then passed through chain rail for shrinkage control.

  15. Function of the Machine • To make the fabric dry. • For heat setting in case of Lycra, Viscose fabric. • To Control Fabric GSM. • To control Shrinkage. • To Control Spirality. • To control fabric Diameter. • To make the fabric soft by applying chemical. • Width control.

  16. Main Parts of the Machine: • • • • • • • • • • • • • • Heating Chamber. Blower Width Control Device. Biasing Unit Selvedge Trimming Device. Softener Application Tank. Divider Box Guide roller. Finger Roller. Rider Brush. Blower. Over feed Roller. Bowing Roller. Photocell.

  17. Stenter Over Feed, Speed, Temperature

  18. Stenter Machine

  19. Dryer Machine • Dryer machine is used for removing the residual water contained in the fabric after squeezing by applying heat on the fabric. In this machine the fabric is fed on the drying net at low over feed speed and the humidity is continuously measured. Drying is done by applying heat through burner nozzles. During drying the total heat passed through the machine is extracted by the exhaust fan

  20. Functions: • To dry the fabric with the help of blower and burner. • To control the shrinkage of the fabric. • To prepare the fabric for next subsequent process. • To dry fabric without tension. • To remove residual water containing in the fabric.

  21. Main Parts of the Machine: • Drying Net. • Heating Chamber: • Blower. • Burner. • Free Roller. • Centering Roller. • Scroll Roller. • Folder. • Rubber Belt for fabric delivery. • Exhaust fan.

  22. Temperature of Fabric Drying:

  23. Schematic Diagram of a Dryer Machine

  24. Hot Air Circulation System: • In Stenter and Dryer machines air is recirculated which passes from the exhaust stubs and air controller flaps. Then the air is passed over the nozzles through which fabric is passed and routes it over to the heat exchanger which lets the air to be heated by the burner. The circulating air fan allows the hot air to pass uniformly through the nozzles to the fabric where the air controller flaps control the upper and lower nozzle air and thus the fabric is heated. Finally the used hot air is passed on to the exhaust air duct. •

  25. Hot Air Circulating System of Stenter & Dryer.

  26. ©right

  27. http://www.textilelab.blogspot.com (Visit My Blog for more Info ) My Facebook Textile related Pages 1. Yarn Manufacturing Technology Link : http://www.facebook.com/pages/Yarn-Manufacturing-Technology/485014954866808 2. Fabric Manufacturing Technology Link : http://www.facebook.com/pages/Fabric-Manufacturing-Technology/459520217425605 3. Garments Manufacturing Technology Link : http://www.facebook.com/pages/Garments-Manufacturing- Technology/472364799463126 3. Wet processing Technology Link : http://www.facebook.com/pages/Wet-Processing-Technology-Dyeing-/468645219825404 4. Fashion-Design-and-Technology Link : http://www.facebook.com/pages/Fashion-Design-and- Technology/587655294583875?ref=ts&fref=ts

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