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Rift sawing is a woodworking process that aims to produce lumber that is less vulnerable to distortion than flat-sawn lumber. Rift-sawing may be done strictly along a log's radials—perpendicular to the annular growth ring orientation or wood grain —or as part of the quarter sawing process.
When boards are cut from a log, they are usually rip cut along the length (axis) of the log. This can be done in three ways: plain-sawing (most common, also known as flat-sawn, bastard-sawn, through and through, and tangent-sawn), quarter-sawing (less common), or rift sawing (rare).
Graf Brothers Flooring and Lumber specializes in, and is the world's largest manufacturer of, rift and quarter sawn oak products. [3] Rift & Quartered lumber results from a unique way of sawing that maximizes the yield of lumber with vertical grain. Vertical grain is preferred because of its excellent technical properties.
Rip cuts are commonly made with a table saw, but other types of power saws can also be used, including a radial arm saw, band saw, and hand held circular saw.In sawmills the head saw is the first rip-saw a log goes through, which is sometimes a gang-saw, and then the cants may be resawn using other saws and then edged in an edger and sometimes cut to length by a crosscut saw.
Quarter sawn and rift sawn – These terms have been confused in history but generally mean lumber sawn so the annual rings are reasonably perpendicular to the sides (not edges) of the lumber. Boxed heart – The pith remains within the timber, post or beam, with some allowance for exposure. Heart center – the center core of a log.
relief cut A short, straight cut made at a right angle to a curved layout so that sharper-than-normal curves can be cut with a jig saw or band saw. riffler A paddle-shaped rasp. rift sawn Rip-sawing of lumber perpendicular to the grain, often confused with quarter-sawn. ring shake A natural type of split (shake) occurring between the annual ...
A half-round lathe in which the log or piece of log can be turned and moved in such a way as to expose the most interesting parts of the grain, creating a more textured feel and appearance; such veneer is commonly referred to as "rift cut". Each slicing process gives a very distinctive type of grain, depending upon the tree species.
Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak, native to eastern and central North America and found from Minnesota, Ontario, Quebec, and southern Maine south as far as northern Florida and eastern Texas. [3]