Circular Saw

Circular saw is most generally used saw to refer to a hand-held, electric circular saw designed for cutting wood, but may be used for cutting other types of materials with other types of blades.Power ranges from 2.3 KW and above.

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Detailed Description for Circular Saw

A circular saw is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor. A hole saw and ring saw also uses a rotary motion but are different from a circular saw. Circular saws may also be loosely used for the blade itself. Circular saws were invented in the late 18th century and were in common use in sawmills in the United States by the middle of the 19th century.

 

A circular saw is a tool for cutting many materials such as wood, masonry, plastic, or metal and may be hand-held or mounted to a machine. In woodworking the term "circular saw" refers specifically to the hand-held type and the table saw and chop saw are other common forms of circular saws. "Skilsaw" has become a generic trademark for conventional hand-held circular saws. Circular saw blades are specially designed for each particular material they are intended to cut and in cutting wood are specifically designed for making rip cuts, cross-cuts, or a combination of both. Circular saws are commonly powered by electricity, but may be powered by a gasoline engine or a hydraulic saw which allows it to be fastened to heavy equipment, eliminating the need for a separate energy source.

Process:-

Typically, the material to be cut is securely clamped or held in a vise, and the saw is advanced slowly across it. In variants such as the table saw, the saw is fixed and the material to be cut is slowly moved into the saw blade. As each tooth in the blade strikes the material, it makes a small chip. The teeth guide the chip out of the work piece, preventing it from binding the blade.

Characteristics

·         Cutting is by teeth on the edge of a metal blade or by an abrasive wheel

·         The cut has narrow kerf and relatively smooth surface finish

·         Cuts are straight and relatively accurate

·         The saw usually leaves burrs on the cut edge of metal and plastic (which should then be addressed with sand paper)

·         Saw setting should be done geometrically

 

 


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