Surface layer lamella production Fill Machine Engineering | © Fill Surface layer lamella production Fill Machine Engineering | © Fill

Sawn timber unstacking

Surface layer lamella production Fill Machine Engineering | © Fill


Surface layer lamella production Fill Machine Engineering | © Fill


Surface layer lamella production Fill Machine Engineering | © Fill


Sawn timber unstacking

The sawn timber unstacking unit is used for unstacking and preparing the sawn timber for the bandsaw.

A forklift truck places one or more stacks of sawn timber on the feed-in chain conveyor, which also acts as a buffer. After positioning under the vacuum portal, the timber is unstacked layer by layer and placed on a chain conveyor. Any stacking strips are stripped and collected in a container.

The raw material can now be conveyed piece by piece through a curvature detection system, aligned optimally by a tilting fixture, and discarded if the curvature is too high.

Via an angle transfer unit, the separated boards pass longitudinally through a moisture measurement system and a metal detector. If they are found to be suitable, the boards are transferred to the planing machine, otherwise they are pushed out onto a deposit table.


  • Stripper for stacking strips
  • Raw material measurement (Curvescan)
  • Angle transfer unit
  • Metal detector
  • Moisture measurement system
  • Ejection option, if not OK


to the product

The separated, inspected boards are drawn in by the planing machine and planed top and bottom to the set dimensions.

Ideally, the board can be conveyed freely again after the planing machine, before being fed to the bandsaw intake.

Depending on requirements, the SPEEDLINER bandsaw modules can be arranged in quantities of 1 to 6 which cut the sawn timber into the appropriate number of lamellae. Then the lamella pack is planed on the sides (joined) to remove chipping/cuttings and produce a gluable surface.


  • Planing machine (top/bottom)

  • 6-head SPEEDLINER 920-350 HYBRID bandsaw

  • Joining module (side planing)

High-speed Separation

to the product

The cut and planed lamella pack is passed by an angle transfer unit to the high-speed separation unit. This consists of two suction units which alternately (tandem) lift the top lamella and lay it on conveyor tracks. From here, the lamellae are accelerated with the greatest possible care for the material by diagonally arranged acceleration units and transported to the brush unit.

In order to prevent excessive amounts of dust from escaping, the separation unit is enclosed and aspirated. The lamella then passes through a longitudinal brush unit which removes any dust and shavings so that the subsequent quality scanner can perform a reliable evaluation of the lamella.


  • High-speed separation unit
  • Brush unit
  • Quality scanner

The cleaned and classified lamellae are decelerated again by a conveyor running in the opposite direction and transported transversely to the sorting area.

An inclined elevator conveys the lamellae to the level appropriate for the quality, where a layer is formed.

Once the layer has passed through the level, it is conveyed by lift-conveyor to the removal area and fed to the stack handling unit, where lamella stacks are built sorted by quality. (It is also possible to apply stacking strips here.)

Once the desired stack height has been reached, the stack is transported out and made available to the forklift truck for removal.


  • Multi-level sorting by quality

  • Stacking, incl. spacer strips

  • Stack removal

Your solution
Send inquiry

The surface layers are high-quality and important parts of a 3-layer board, so the raw material utilization plays a key role here.  

Do you need assistance?
Fill Machine Engineering Altendorfer Erwin | © Fill
Erwin Altendorfer Head of Competence Center Wood & Profile Technology
Fill Machine Engineering Hofstaetter Alinah | © Fill
Alinah Hofstätter Sales Assistance Competence Center Wood & Profile Technology
Go to contact page
The concept

With the highly efficient systems from Fill, you can pre-plane, cut, clean, and calibrate the sawn timber. Use of high-quality scanners and high-speed conveyor systems allows the lamellae to be subsequently sorted and stacked fully automatically. All accompanied by highest possible material utilization and system availability. Production systems for surface layers are adapted specifically to customer requirements. 

Process steps: 

  • Quality inspection of sawn timber 
  • Planing, cutting, cleaning 
  • Sorting, stacking 


  • Surface layers for all common parquet and 3-layer boards can be produced. 
  • The production method is adapted specifically to your needs. 


The machine is designed according to customer-specific requirements.
We define the resulting technical data in collaboration with the customer.


Contact request

We would like to put you in touch with a competent contact person for your request. Just a few pieces of information are enough for us to be able to help you in the best possible and timely manner.

Fill Stories

More plants