Vertical opener machine allows to obtain a deep spread out of fibers and it is commonly used as final opening process before sending the material to the card.
Good results in opening is guaranteed by the vertical silo filling system that includes a preopening cylinder and immediately after a forwarding to the below opener through a vertical thickening column that ensures a constant density on entering cylinder.
The machine is compact as it grows vertically, so it occupies a small space and it is perfect for
opening medium and short kind of fibers.
Mainly used in the preparation lines for non-woven, thermal bonded or needlepointed fabrics that contains different kind of fiber components. Main opening drum is usually covered by steel pins fixed on wood staves, with different gaps depending on characteristics of fiber to work.