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- Ray fleck is a pattern that wood rays produce in quarter sawn wood.
www.sawmillcentral.com/blog/4-things-every-sawyer-should-know-about-ray-fleck
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May 21, 2022 · Ray fleck is a pattern that wood rays produce in quarter sawn wood. Knowing more about ray fleck will be very beneficial to sawyers.
- Cari Jean
- Flat Sawn
- Quarter Sawn
- Rift Sawn
- Live Sawn
Flat sawn is the most common cut pattern because it’s economical (there is very little waste) and easy to produce. You can identify flat sawn boards by looking at the end grain or face grain. On the end, the growth rings will either cup or crown. Looking at the face, you’ll often see a cathedral grain pattern – prominent arch-shaped grain lines nes...
To create quarter sawn lumber, the log is first quartered before planks are cut perpendicular to the growth rings (between 45° to 90°). The easiest way to identify quarter sawn lumber is to look at the end grain to see if the growth lines run vertically from one face to the other. On the face, the growth lines continue in straight lines. In certain...
Rift sawn lumber is also quartered, but the planks are neither parallel nor perpendicular to the growth rings. When looking at the end grain of rift sawn wood, you’ll notice the growth rings are slightly off 90° from the surface. The surface grain will have very straight lines, but there will never be any ray fleck since the medullary ray is purpos...
As the name implies, live sawn is generally reserved for live edge slabs. In this cut, a sawyer simply cuts board after board – from end to end – to create unique pieces. (Each plank will contain areas of flat, quartered, and rift sawn lumber.) It’s important to understand how the wood was cut because it affects the stability and appearance of the ...
Quartersawn and riftsawn both have ray fleck with the fleck being more pronounced on quartersawn. The angle of the growth rings is approximately 75 to 90 degrees for q-sawn and 45 to 75 for riftsawn. It would be rare to have riftsawn alone.
Ray fleck is a quality unique to quartersawn oak, due to oak’s tight grain structure. When an oak log is quarter sawn, the annular rings in an oak log will produce “medullary rays”, more commonly known as “ray fleck”.
In Quartersawn White Oak, you can expect to see the ray fleck run both parallel to the grain and perpendicular to the grain. In Rift White Oak, the ray fleck will run primarily with the grain, and up to 30 degrees off the direction of the grain.
causing the wood to have what is called “ray fleck,” a very attractive characteristic. Parenchyma Thin-walled cells that store food in the wood are called parenchyma. These cells are rare in softwoods but present in large numbers in many hardwoods. Parenchyma are often hard to see but can be useful in wood identification.
The “ray fleck,” “flake,” or “figure” of a quarter-sawn board is the medullary ray of the log, which emanates outward from the center of the log like spokes of a wheel. The degree to which this “ray fleck” is revealed is a function of the angle of the growth rings to the face of the boards.
