The lengthwise slicing method of the timber along the fiber by means of our MARUNAKA slicers has a proven positive effect regarding the quality of lamellae and veneers, because due to the lengthwise slicing method only ~30% of the fibers are cut through!
Therefore, both lamellae and veneers are of first-class quality.
Traditional crosswise slicers slicing the timber always in crosswise direction of the fiber. Therefore, ~70% of the wooden fiber are cut through those leads to a significant weakening of the timber (proofed by the TU Dresden/Germany).
That’s why only lengthwise sliced veneers are significantly more stable and also suitable for profile wrapping up to radius 1.
By cutting lamellas lengthwise, the wood yield from flitches is almost ~95%. In contrast, the wood yield from sawing only reaches values of around 70%, because the kerfs are ~1.4 mm when sawing with thin-cutting frame saws as well as thin-cutting band saws.
These values change massively as the slats become thinner! Leading parquet manufacturers are currently planning to use top layers with a thickness of <2.5 mm. This leads to more economical use of the raw material wood, especially the increasingly rare wood species oak (Quercus), which is used as a top layer in almost 90% of parquet floors.
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