• Rubber Expander Roller (Bow Roller)
• Polyband Expander
• Rubber Grooved Spreader Roller

Bow Banana Roller formation at any stage of manufacturing or processing is inevitable. To prevent inferior quality and/or rejection of webs, wrinkles must be removed at all necessary stages.

Wide range of anti crease devices suitable for different web materials and different processes.

• No Wrinkles
• No Baggy Centres
• No Shrunk Width
• No Slack Edges

Expander Rollers/Bow Rollers / Spread Rollers / Banana Rollers

Rubber Expander Rollers(Bow Rollers)

• 

  The performance of Rubber Expander Rollers depend upon:

  • Lead-in Lead-out distance
  • Wrap angle
  • Position of Bow(adjustable)

  3:1 lead-in : lead-out ration is considered to be best. However, lead out distance preferably should not be more than 3 times of expander roller diameter. Bow roller positioned perpendicular to the web direction gives best result.

Rubber Expander Rollers(Banana Rollers)

• 
  • Commonly useful for wide range of web materials.
  • Wall mounting and Foot mounting brackers with Bow angle adjustment mechanism.
  • Sizes: Diameter up to 300 mm, Length up to 8000 mm.

Polyband Expander

• 
  • Essential for thin web, 10 micron or less.
  • Performs well for separating the web after slitting,irrespective of thickness of the web.
  • Specially useful in processing PP & HM.
  • Sizes: Diameter 90mm to 140 mm, Length up to 2500 mm.

Rubber Grooved Spreader Roller

• 
  • Now, very popularly used on film plant.
  • Ideal for very delicate web like metalized film.
  • Individual groove type RH & LH.
  • Two or four starts scroll type RH & LH.