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Common tooth patterns found on crosscut saws. All saws have cutting teeth, some may also have rakers and gullets. As the saw is pulled toward the operator, the cutters score the wood to the left and right of the width of the blade, cutting a channel downward into the wood. Many sawtooth patterns have four cutters;
A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade. The original trade name, Sawzall , is often used in the United States , where Milwaukee Electric Tool first produced a tool of this type in 1951.
Prior to the popularization of the chainsaw during World War II, the dragsaw was a popular means of taking the hard work out of cutting wood. They would only work for a log on the ground. [1] Dragsaws are known as the first mechanical saws to be used in the timber industry operation. These tools were most useful in the logging business, because ...
The cross-cut saw can cut in any direction but is much slower than needs be when cutting with the grain. [citation needed] The development of saws was also affected by several factors. The first was the importance of wood to a society, the development of steel and other saw-making technologies, and the type of power available.
An important innovation by Scintilla-Bosch in 1966 [5] was the "pendulum action", where the blade tilts forward in the upward (cutting) stroke, and back for the down-stroke, ejecting the chips, so the blade runs cooler and cuts faster. A significant model was the Bosch "LESTO 8 554" in which the degree of "pendulum action" could be selected to ...
Dremel scroll saw. A scroll saw is a small electric or pedal-operated saw used to cut intricate curves in wood, metal, or other materials. The fineness of its blade allows it to cut more delicately than a power jigsaw, and more easily than a hand coping saw or fretsaw.