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วันจันทร์ที่ 23 มีนาคม พ.ศ. 2552

Ripsaw

A ripsaw is a useful tool for cutting lumber, making furniture, and other wood-cutting tasks.

What Is a Ripsaw

A ripsaw, or ripping saw, is a specialized handsaw for manually cutting wood in the direction of the grain. Ripsaws include a blade and a plastic or hardwood handle. The blade edge below the handle is the heel and the front end is the toe. The typical ripsaw is 26 inches in length with 5 teeth or points per inch. In comparison, a crosscut saw has twice as numerous teeth and makes a finer cut.

How to Safely Use a Ripsaw

To safely use a ripsaw, draw a straight line on the wood member you are cutting, producing sure that it is in approximately the same direction as the wood's grain. Firmly hold or fasten the wood so that it will not move during cutting. Place the saw's central teeth on the end of the line opposite you and push the saw in a short stroke to initiate the cut. Once started, draw and push the saw to cut the wood along the line. When nearly done, make sure the end of the wood being cut is held and will not splinter due to the unsupported weight. For safety, remember that the teeth are sharp and should not be placed on surfaces that they could damage.

How to Maintain a Ripsaw

Ripsaws require periodic sharpening by a professional saw sharpener or with a quality saw sharpening tool available at major hardware stores. Makes sure the sharpener is set up for ripsaws rather than the finer teeth of crosscut saws.

Thanks HowStuffWork for article.

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