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The AWI defines "rift sawing" as a technique of cutting boards from logs so the grain is between 30–60° to the face of the board, with 45 degrees being "optimum". [2] In Understanding Wood, Hoadley describes "rift grain" as occurring at an angle between 45–90° to the surface, and describes the AWI definition as "bastard sawn". [4]
A Humbolt face cut in a Norway maple. The Humbolt face cut is a less well-known felling undercut, and is commonly used in the pacific northwest and pacific coast of Canada and Alaska. [5] A Humbolt face cut has a downward 45 degree angle, and allows the directional face cut to be made out of the stump rather than the log.
They are commonly used to create 45° degree straight cuts for framing. Compound-miter saw - Compound miter saws have the added benefit of tilting the blade and head at various angles to the workpiece. This makes bevel cuts possible. A bevel cut is an angled ramp cut into the side of the wood. This type is commonly used in trim work for homes.
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.
Wood cut in this way is prized for certain applications, but it will tend to be more expensive as well. In cutting a log, quarter sawn boards can be produced in several ways, but if a log is cut for maximum yield it will produce only a few quarter sawn boards among the total; if a log is cut to produce only quarter sawn boards there will be ...
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All sawmills use ripsaws of various types including the circular saw and band saw.Historically sawmills used one or more reciprocating saws more specifically known as an "up-and-down" or "upright saw" which are of two basic types, the frame saw or a muley (mulay) saw [2] which is similar to the hand powered pit saw.
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