TM 9-243TYPES AND USESPlanes are smoothing tools used to true edges or sur-faces of wood. Planes also are used where a finishedsurface or close-fitting joints are required. Planes vary insize and shape, but each is designed for a specificpurpose. The two types of planes most generally usedare the block plane and bench plane.BLOCK PLANEThe block plane is the smallest type of plane. It is availa-ble in a variety of patterns and is designed to cut endgrain with the cutting blade set between 12 degrees and20 degrees. Although it can usually be used with onehand, a toe knob is provided when additional pressure isneeded.BENCH PLANEOne of the most common types of bench planes is thejack plane. Like all bench planes, the jack plane isdesigned for cutting with the grain of the wood. Its cut-ting blade is set at approximately 45 degrees and isused for all purpose planing or to cut lumber to specifiedlengths.SAFETY1.Be careful to plane work smoothly to avoid splinters4.Do not allow tools to lie around work areas in such athat may be left to cause injury.position that they may cause injury to others.2.Use each plane only for the job it is intended.5.Before using, inspect the tool for damage or other3.Keep all cutting tools in good condition.defects. Repair or replace immediately if required.50-2
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