FC FORMER™ System
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Features
- Compact design - one unit replaces two cylinder moulds
- High turbulence, hydraulic headbox
- Patented V.I.D.™ and Stepfoil™ drainage units
- Low capital and operating costs with less maintenance
- Modular design/easy installation
- Radial distributor (Octopus™) feed
Benefits
- Reduce board density
- Improve MD/CD ratio
- Improve smoothness/printability
- Reduce furnish costs
- Reduce energy consumption
- Improve CD profile
- Improve productivity
Unique Formation
Today's recycled multi-ply board market is placing new demands on the papermaker to increase mill productivity and raise board quality. Rather than face losing market share, numerous multi-ply boards mills are planning wet end rebuilds in order to meet higher quality needs.
Replacing two conventional hydraulic or vat type forming stations, the FC FORMER system has the ability to carry a high fiber loading and operate at higher speeds than conventional underfelt formers. These benefits are realized without the need for alterations to the existing felt run.
The forming unit consists of an inclined wire forming table with Kadant AES patented V.I.D. forming technology and a hydraulic headbox capable of consistency profiling.
The demand for higher, more uniform quality comes with the converter's expectation of minimal, if any, increase in cost. Kadant AES developed the FC FORMER system in order to meet this challenge - a solution that is a fraction of the cost of a multi-fourdrinier rebuild.
Couch nip moisture content is controlled independent of basis weight and sheet bulk is increased due to the unique retention of fiber. Fines are distributed more evenly throughout the sheet Z direction.
The unique, patented V.I.D. "counter-flow" activity enhances drainage without sealing the sheet or decreasing retention.
Costs of poor CD profile
The amount of wasted fiber caused by poor CD basis weight profile is high. A large caliper variation forces the papermaker to raise his average basis weight target to stay above minimum specifications."Aiming high" to compensate for a poor profile wastes fiber.
Consistency profiling on the FC FORMER system with Octopus profiling technology
The Octopus approach system supplies stock evenly across the machine via hoses that create discreet forming zones. When the Octopus system is equipped with dilution control inlet taps, white water is injected into each hose to control the consistency in the individual hose and the corresponding forming zone of the paper machine.
Wet End Rebuild Improves Board Quality at Smurfit Carton y Papel, Paper Age, 1998