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A bandsaw (also written band saw) is a power saw with a long, sharp blade consisting of a continuous band of toothed metal stretched between two or more wheels to cut material. They are used principally in woodworking , metalworking , and lumbering , but may cut a variety of materials.
There are multiple techniques for constructing band saw boxes. The primary technique starts by cutting the main shape of the box. Then a 1/8" to 1/4" piece of wood is cut off what is to become the back. The drawer shape is cut within the main shape, which involves cutting through the main body, and the body must be glued back together.
Gumming involves grinding the gullets of the saw teeth to a particular shape. The saw filer uses a semi or fully automatic grinding machine for this. Saw bands operate under high stress and heat and in the presence of wood chips. Carbon migrates into the steel from the wood. Gumming prevents case hardening and fatigue cracking of the saw band ...
Portable sawmills are sawmills small enough to be moved easily and set up in the field. They have existed for over 100 years but grew in popularity in the United States starting in the 1970s, when the 1973 oil crisis and the back-to-the-land movement had led to renewed interest in small woodlots and in self-sufficiency.
Band Filing takes place on a machine similar to a belt sander or band saw. Band files are sectioned similarly to a saw chain so that they can be made from stiff material, as they need to be to effectively remove material yet still work in a constant feed. A band filing operation can be used to remove small amounts of material with good accuracy.
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Rasquache is the English form of the Spanish term rascuache, originally with a negative connotation in Mexico it was recontextualized by the Mexican and Chicano arts movement to describe a specific artistic aesthetic, Rasquachismo, suited to overcoming material and professional limitations faced by artists in the movement.
Residual stress in a roll-formed hollow structural section causes it to gape when cut with a band-saw. In materials science and solid mechanics, residual stresses are stresses that remain in a solid material after the original cause of the stresses has been removed. Residual stress may be desirable or undesirable.
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