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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.
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.
Block view of a rift formed of three segments, showing the location of the accommodation zones between them at changes in fault location or polarity (dip direction) Gulf of Suez Rift showing main extensional faults. In geology, a rift is a linear zone where the lithosphere is being pulled apart [1] [2] and is an example of extensional tectonics ...
A cavity or hole, generally rectangular, in a piece of wood, meant to receive a tenon or a hinge. mitre. Also spelled miter. Any joint made by fastening together pieces with the ends cut at an angle. mitre box. Also spelled miter box. A box used for making mitre joints by having slots to guide a saw at the desired angle for the joint. mitre saw
Knee: a short L-shaped piece of wood that joins or strengthens the joint in boat parts that meet between roughly 60 and 120 degrees. It may be a natural crook from a suitable wood species, sawn from a larger piece of timber, or laminated to size. Commonly used on thwarts to join topsides or keelsons to join transoms.
The lumber industry creates a lot of waste, especially in its manufacturing process. From log debarking to finished products, there are several stages of processing that generate a considerable volume of waste, which includes solid wood waste, harmful gases, and residual water. [52] Wood waste can be recycled at its end of life to make new ...
Steel or iron are usually avoided, as iron can react with moist timber to produce rust staining, or some tannin-rich woods such as oak or chestnut will provide indelible blue-black iron tannates. After heat bending the wood, clamping the wood into a solid mold will reinforce the bends made to the wood while drying, preventing the wood from ...
The second form is the D-handle adze which is basically an adze iron with a directly attached handle. The D-handle, therefore, provides no mechanical leverage. Northwest coast adzes are often classified by size and iron shape vs. role. As with European adzes, iron shapes include straight, gutter and lipped.