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Chain SawsLooking for your dream chain saw? A chain saw is a portable motorized saw. It is used mostly in the forestry and logging industries for cutting down trees, trimming branches and foliage, and for making firewood. A typical chain saw consists of a small two-stroke gasoline or electrical motor, a blade or bar (essentially a long metal frame of a very hard wearing alloy) and the cutting chain itself. Usually each segment in this chain features a small sharp blade, called a tooth. A skip tooth chain has a tooth only on every second link, and is used for reduced risk of the chain clogging when cutting very soft wood. In modern saws the teeth are not straight blades. They have a forward section which first chips a piece of wood from the bottom of the cut, then another section, at a right angle to the first, which chips a piece from the wall of the cut. There are left and right handed teeth, depending on which wall of the cut they will chip. Left and right teeth are alternated in the chain. The underside of each link features a small metal finger which keeps the tooth centered between the rails of the bar, helps to pump lubricating oil around the blade, and engages with the motor's drive sprocket inside the body of the saw. The motor drives the chain around the track at a high speed, providing an effective cutting action. Buy Your Chain Saw Today
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