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Expander Bars- 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.
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.
Bow Roll is available foot mounting type & flange mounting type. We also provide perfect customization for specific operations. Bow roller positioned perpendicular to the web direction give best result.