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Planes.

Planes are used for trimming, beveling, fitting and shaping wood, and smoothing rough spots left by sawing and drilling. Quality is determined by the steel used in the cutter, cap iron, sole and body of the plane. The cap iron should be of hard steel so adjustment screws will not strip. Hard steel cutters hold an edge longer. Another factor in quality is precision manufacturing. The sole of the plane should be perfectly flat and the mouth opening narrow and precisely ground for the plane to shave wood flat without splitting the grain. There are three broad groups of planes: bench planes, block planes and specialty planes.

BENCH PLANES

The main variable among bench planes is length. They range from 7" smooth planes to 24" jointer planes.

* Smooth planes are lightweight and used for all-around work. Jack planes are longer (12" to 15") and heavier than smooth planes, have more cutting capacity and are used for planing rough surfaces. Jointer (joiner) planes, the longest and heaviest, are used to shape edges of boards so two boards may be joined together to make a close fitting joint.

* Bench planes are adjustable; the best have lateral, as well as fore and aft cutter adjustment and a movable frog to vary the mouth opening.

BLOCK PLANES

A block plane is the smallest, simplest plane, used for light work, smoothing the end grain of boards and shaping small pieces of wood. It uses a single cutter blade, set at a low angle in the frame to permit better cutting. It is available in both adjustable and non-adjustable models. Adjustable planes feature steel screws, usually on the end of the plane, to vary the cutter height.

Some block planes have an adjustable mouth to vary chip thickness. A very narrow mouth is best for fine finishing, while a wider mouth allows quick stock removal on less critical work.

SPECIALTY PLANES

* Rabbet planes, used widely by cabinetmakers, cut rectangular recesses out of the edge of boards and make grooves in flat surfaces.

* Router planes are used to finish common wood cuts such as dados or grooves in areas inaccessible to a regular plane. Like other planes, they have adjustments to control size and depth of cut.

* Circular planes are made with a flexible steel bottom that can be adjusted to plane on concave or convex surfaces.

* Surface-Forming planes (also called a file) cut rapidly and smoothly on wood, aluminum, copper, etc. It will not clog because shavings pass through holes in the body and out the top. It is made of die-cast aluminum, has high-quality steel cutting blades and is available in circular and regular patterns.

Used to shape wood in carpentry or wood sculpture, they also work well shaping plastic auto body fillers. The blade design makes them much safer than most cutting tools and easier to use than a conventional plane.

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Title Annotation:Hand Tools
Publication:Hardware Retailing
Geographic Code:1USA
Date:Aug 1, 2006
Words:477
Previous Article:Cutting tools.
Next Article:Measuring devices.
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