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Bowed Spreader Roll

Bowed Spreader Roll is known as Spreader Roll, Bowed Roll, Curve bar Expander, Banana Roll, Wrinkle removing Rolls. Bow rolls are available in hard chrome surface, rubber surface and also Fluoro Polymer covering for non-sticking applications. Hard chrome surface bow Rolls are used where speed is more than 300 meters minutes. If the speed is more the bigger diameter is used to reduce the rpm of the roll. Bow roll works only when there is proper lead-in and lead-out distance and kept the roll in proper warp angle with web material. To do such warp angle adjusting all rolls are supplied with bow angle adjusting worm-worm wheel gearbox with hand wheel and counter pedestal bearing block, by use of this it is possible to adjust the bow angle at 360 degree warp angle. When the Roll get maximum wrinkle removing stop the bow angle adjusting and put the roll on bow locked position, so not do any change in the bow setting. On Roll shaft bow position indication with arrow showing the bowed position of the Roll.
 

Features:

  • Rubber sleeve covered
  • Metal expander with hard chrome plated surface for high speed application
  • Fluoro Polymer sleeve for non-sticking application
Bow Rolls are known as Banana Rolls, Spreader Rolls, Curve rubber expander, useful for removing of wrinkles, slack edges, spreading and slit separation. Most of the Expander Rolls are driven by web tension itself without any extra drive. Used in Textile processing machines, Plastic converting machines, Paper Industries, in manufacturing, processing, printing, laminating, coating, Batching, Winding and Re-Winding.