Headboxes

HEADBOXES

PERFORMANCE AND BENEFITS

Whatever the wet end concept and machine speed, the headbox is the heart of the paper machine. Thus it must be designed with the right technology.

This depends on:

  • Paper Grade.
  • Operating speed race.
  • Required CD Profile.
  • Substance.
  • Grammage.
  • Required MD Profile.
  • MD/CD properties.
  • Consistency.

SPECIAL FEATURES

We has always dedicated a particular attention in designing and selecting the right headbox for this customers. Years of experience in paper machine production, mainly with some of the major producers of special papers,  have given to ABK a deep knowledge and expertise on such critical equipment.

The results are:

  • Homogeneous fibre dispersion
  • Accurate flow control from edge to edge
  • Headbox temperature control
  • Attenuating device on stock feeding circuit
  • Uniform fibre orientation

Technical features

PF-III/PF-II

PF-I

PF-0

Max Slice length

Up to 7.0m

Up to 5.0m

Up to 5.0m

Operating Speed

Up to 1.500 m/min

Up to 650 m/min

Up to 450 m/min

Stock Feeding

Manifold or Spider

Manifold or Spider

Manifold or Spider

Dilution Control

On Manifold and Spider

Only with Spider

Only With Spider

HB thermal control

YES

YES

NO

Basis weight CD Profile (2o)

0.4%

0.6%

0.8%

Basis weight MD Profile (2o)

0.8%

0.8%

1.0%

TSO Angle Profile

±3o

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