![]() ![]() The contractor's saw is a substantial tool, offering a cast-iron table, typically with a pair of stamped steel extension wings, a 1 1/2 horsepower motor, and a reasonably reliable fence and mitre gauge. ![]() The bench or bench-top saw, also known as a portable or jobsite saw, is compact and lightweight its durability and accuracy suffer as a result, but it still represents a considerable improvement over a circular saw with a rip guide for production work in the field. Table saws can be divided into several categories. And a series of adjacent, parallel cuts can be made with the blade's height set lower than the thickness of the work to create dados and rabbets these can also be cut using a stack of blades known as a dado set. The mitre gauge may be adjusted to form an angle other than 90º to the mitre slot and saw blade, thereby allowing mitres to be cut. ![]() The motor may be pivoted laterally so that the blade forms an angle other than 90º to the table's surface, permitting beveled rips and crosscuts. There are many variants of these operations. The two primary table saw operations are ripping, in which a board is reduced in width (cutting along the grain) while being pushed along a fence which is parallel to the blade and fixed at a distance from the blade equal to the desired width, and crosscutting, in which the board is reduced in length (cutting across the grain) while being carried through the blade by a mitre gauge, which holds the board perpendicular to the blade while sliding along a groove in the table's surface parallel to the blade (known as a mitre slot). The blade rotates toward the front of the table the operator pushes the work into the blade, against the direction of rotation. A table saw consists of an electric motor, mounted below a table, which drives a circular saw blade projecting through an opening in the table's surface. ![]()
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