Basic woodworking joints,Cabinet Furniture Plans,Plans Wood Houses Projects - Review

21.02.2014 admin
Joinery is a part of woodworking that involves joining together pieces of wood, to create furniture, structures, toys, and other items. The eight basic types of joints are: butt, dado, rabbet, lap, dovetail, mortise and tendon, miter, and tongue and groove.
A dovetail joint is created by cutting a series of triangular-shaped sections (called tails) from the end of one piece of wood and matching sections (called pins) from the other piece of wood. Through mortise and tenon – To form this joint, a round or square hole (called a mortise) is cut through the side of one piece of wood. The language of the joiner is filled with words that we know well from ordinary usage but here have new and distinct meanings: Lap, edge, butt, and finger joints are technical terms to woodworkers. If you are just making your first foray into the land of the join­ers, you’d probably do best to start with a simple joint like a dado or a rabbet. So here they are, the basic kinds of wood joints, in some­thing approaching simplest-to-hardest order.
To put it another way, a miter joint is a butt joint that con­nects the angled ends of two pieces of stock.
The rabbet joint is much stronger than a simple butt joint, and is easily made either with two table or radial-arm saw cuts (one into the face, the second into the edge or end grain) or with one pass through a saw equipped with a dado head. The dado joint is perfect for setting bookshelves into uprights, and can be fastened with glue and other fasteners. Lap joints can be cut with dado heads, as well as with standard circular sawblades on radial- arm or table saws. Though precise cutting of the fingers is essential, finger joints require only relatively simple ninety-degree cuts that can be made by hand or using a router, radial-arm, or table saw.
Finger joints, like dovetail joints, are sometimes used as a decoration, adding a contrast­ing touch as well as strength to the joined pieces.


Some wood joints employ fasteners, bindings, or adhesives, while others use only wood elements. Joinery jargon gets still more compli­cated when you add in some other kinds of joints, like mortise-and-tenon, tongue-and-groove, dovetail, dowel, dado, spline, and rabbet.
With the introduction of the biscuit or plate joiner, any number of these joints are strengthened or varied thanks to the presence of the little, football-shaped wafers. When you join two squared-off pieces of wood, you’ve made a butt joint, whether the workpieces are joined edge to edge, face to face, edge to face, or at a cor­ner. The classic ex­ample is a picture frame, with its four butt joints, one at each corner, with the ends of all the pieces cut at a forty-five-degree angle, typically in a miter box.
Mi­ter joints may also be fastened with nails, screws, dowels, or other mechanical fasteners. A lap joint is formed when two pieces have recesses cut into them, one recess in the top surface of one piece, the second in the lower surface of the other. Dovetail shaped laps are sometimes used to join the ends of pieces to the midsection of others (dovetail half-laps). Gluing is usual, though other fasteners, including dowels or wooden pins, are also common with lap joints. A spline is a thin strip, usually of wood, that fits snugly into grooves on surfaces to be joined.
The characteristics of wooden joints – strength, flexibility, toughness,appearance, etc. Dovetail joints are technically complex and are often used to create drawer boxes for furniture. Not to men­tion such combination joints as cross laps, dado rabbets, dove­tail laps, and keyed miters.


A butt joint is the simplest to make, requiring little shap­ing beyond cuts made to trim the workpiece to size.
A typical rabbet joint is one in which a second piece is joined to the first by setting its end grain into the rabbet. Some cabinetmakers differentiate between groove and dado joints, insisting that grooves are cut with the grain, dadoes across.
The waste material removed is usually half the thickness of the stock, so that when the shaped areas lap, the top and bottom of the joint arc flush. Glue is used only infrequently, as one of the chief advantages of a tongue-and-groove joint is that it al­lows for expansion and contraction caused by changes in temperature and moisture content.
As early as the sixteenth century, this joint was identified by its resemblance to bird anatomy. Rabbet joints are frequently used to recess cabinet backs into the sides, or to reduce the amount of end grain visible at a corner. Once the surfaces to be joined have been cut to fit, a table saw can be used to cut matching kerfs. The mortise-and-tenon joint is harder to shape than other, simpler joints (both pieces require considerable shaping), but the result is also a great deal stronger. Dove­tails are traditionally used to join drawer sides and ends and, in the past, for many kinds of casework furniture.



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