Woodwork Joints: How They Are Set Out, How Made And Where Used.
William Fairham
17 chapters
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17 chapters
EDITORIAL FOREWORD
EDITORIAL FOREWORD
To be successful in woodwork construction the possession of two secrets is essential—to know the right joint to use, and to know how to make that joint in the right way. The woodwork structure or the piece of cabinet-work that endures is the one on which skilful hands have combined to carry out what the constructive mind planned. And it is just here that the present Volume will help, not alone the beginner who wishes preliminary instruction, but also the expert who desires guidance over ground h
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THE GLUED JOINT
THE GLUED JOINT
T he glued joint in its various forms is in use in every country in the world, and is frequently met with in mummy cases and other examples of ancient woodwork. Alternative names under which it is known are the butt joint, the rubbed joint, the slipped joint, whilst in certain localities it is known as the slaped (pronounced slayped ) joint. The glued joint is made by planing two pieces of timber so that when placed together they are in contact with each other at every point; they are then usual
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THE HALVED JOINT
THE HALVED JOINT
T he halved joint is frequently known as half-lapping, and sometimes as checking and half-checking. In the majority of cases it is made by halving the two pieces, i.e. , by cutting half the depth of the wood away. There are, however, exceptions to this rule, as in the case of "three-piece halving" (or, as it is sometimes called, "third lapping") and in the halving of timber with rebated or moulded edges. Halving is one of the simplest methods of connecting two pieces of timber, especially where
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THE BRIDLE JOINT
THE BRIDLE JOINT
A bridle joint is often defined as the reverse of a mortise and tenon, and is chiefly used in the carpentry and joinery trades. The name probably originated from the fact that it bears some resemblance to the manner in which a bit slips into the horse's mouth and is fastened to the bridle. There are fewer varieties of the bridle joint than of the halved or the mortise and tenon; and this being the case we may take the opportunity of giving a few detailed directions, with explanatory illustration
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THE TONGUED AND GROOVED JOINT
THE TONGUED AND GROOVED JOINT
T he tongued and grooved joint is used in one form or another throughout the whole of the woodworking trades, covering, as it does, a great variety of work from the laying of flooring boards to the construction of dressers, bookcases and other cabinet work. Flooring and match boarding generally have the tongues worked on the solid board, and examples of a few of the various types are shown as follows:— Fig. 94. Fig. 95. Method of Nailing Hardwood Floors. Fig. 93 shows the end view of the ordinar
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THE MORTISE AND TENON JOINT
THE MORTISE AND TENON JOINT
A mortise and tenon joint is the method of joining timber by working a solid rectangular projection in the one piece and cutting a corresponding cavity to receive it in the adjoining piece. The projection is called the tenon, and the cavity the mortise. Joints of this type are secured in various ways. Small wedges, wooden dowels, metal dowel pins, glue and paint are frequently used, and prior to the introduction of glue we have examples of Egyptian furniture in which the mortise and tenon joints
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THE DOWELLING JOINT
THE DOWELLING JOINT
D owelling is the term generally given to the method of jointing timber and other materials by wooden or metal pegs, which are called dowels. For cabinet-making and similar work straight-grained beechwood dowels are mostly used; these may be bought by the gross, in lengths of about 36 ins., and of any desired diameter. Making Dowels. —Many, however, prefer to make what they require for the work in hand, and the following is the method that is generally employed. Pieces of straight-grained wood a
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THE SCARF JOINT
THE SCARF JOINT
T he method known as "scarfing" is used for the joining of timber in the direction of its length, enabling the workman to produce a joint with a smooth or flush appearance on all its faces. One of the simplest forms of scarfed joint is known as the half lap, in which a portion is cut out at the end of each beam or joist, equal in depth to half the full depth of the beam, and of equal length to the required scarf. The two pieces before they are placed together form a joint as shown at Fig. 211 ,
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THE HINGED JOINT
THE HINGED JOINT
O ne of the most common forms of hinged joint in use to-day is that formed by using the "butt" hinge, and many troubles experienced by the amateur, such as "hinge-bound," "stop-bound," and "screw-bound" doors, etc., are due to a lack of knowledge of the principles of hingeing. Hinges call for careful gauging and accurate fitting, otherwise trouble is certain to occur. A "Bound" door or box lid is said to be hinge-bound when the recess which contains the hinge is cut too deep. The frame and the b
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SHUTTING JOINTS
SHUTTING JOINTS
T his chapter deals with the joint made by the upright rail of a door frame which carries the lock, or handle, generally called the "slamming stile." Many and varied are the methods used to make a draught and air-tight joint at the meeting of the slamming stile and the carcase end, and our sketches illustrate some of the simplest and also some of the best and most expensive methods. Fig. 253.—Shutting Stile of Cupboard Door. Fig. 254.—Showing Cupboard End Thicknessed (see B). Fig. 253 is a part
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THE DOVETAIL JOINT
THE DOVETAIL JOINT
N othing definite is known as to the origin of dovetailing, but a quaint and pleasing little story which is well worth repeating runs as follows: A farmer had called in the local "joyner" to do sundry repairs at the homestead. One day, whilst enjoying a humble meal, he sat watching some doves as they hopped about the yard. Struck by the movement of their wedge-shaped tails, it occurred to him to joint his timber by the interlocking method; hence we have dovetails . Fig. 267.—A Single Through Dov
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DOVETAIL GROOVING
DOVETAIL GROOVING
T he dovetail housing joint should first be carefully marked out with a marking knife, so as to cut across the fibres of the wood. For obtaining the bevel on the edge of the wood a joiner's bevel may be used, and the angle should not be too acute. (See previous chapter.) Take a chisel and pare away a small channel as at A, Fig. 315 , to form a small shoulder to guide the saw. With a fine tenon or dovetail saw, cut the saw kerf as at Fig. 316 . If any difficulty is experienced in cutting the kerf
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THE MITRED JOINT
THE MITRED JOINT
A lthough mitreing is used in everyday woodwork, it comes last in our list of regular joints simply because it has been partly dealt with in almost every previous chapter. For example, we have mitre halving in Fig. 34 , a mitre bridle joint in Fig. 74 , a tongued and grooved mitre in Fig. 116 , mitred mortise and tenon joints in Figs. 148 and 159 , a dowelled mitre frame in Fig. 202 , and a mitred dovetail in Fig. 286 . Fig. 321.— Mitred Skirting. Fig. 322.— Curved Mitre. Fig. 323.— Halving the
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JOINTS FOR CURVED WORK
JOINTS FOR CURVED WORK
F ig. 335 shows a circular frame made up in two thicknesses, the segments being screwed to each other and the joints crossed in two layers. This is a very strong method, and it is used for making circular frames and curbs up to 15 ft. in diameter. The segments can be either long or short, the only important condition being that they must be marked out and sawn to the correct radius. Fig. 337 shows a board marked out in segments for this class of work. The longer the boards the better will they c
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MISCELLANEOUS JOINTS
MISCELLANEOUS JOINTS
W eather boards.—For outdoor buildings, such as garages, garden sheds, toolhouses, etc., "weatherboarding" is often preferred to ordinary matchboarding, chiefly because of the facility with which it throws off the rain. The boarding can be bought ready prepared. Three methods of jointing are shown in the sections at Fig. 343 . The method indicated at A shows one of the most satisfactory types, its boards being planed and moulded as shown. The other two examples are more common. The boarding at B
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PUZZLE JOINTS
PUZZLE JOINTS
P uzzle Joints are not only interesting in themselves, but are often excellent studies in craftsmanship. The majority of them, if to be satisfactory as puzzles, call for very careful setting out and cutting, entailing the same degree of skill that is demanded for high-class cabinet work. For this reason several examples may well find a place in a volume dealing with woodwork joints. As a rule, these puzzles should be made in hardwood, such as dark walnut or beech, as in whitewood the joints are
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WOODWORKER
WOODWORKER
A Free Specimen Copy sent on receipt of postcard In this Magazine the man who does bench work at home will find month by month the precise guidance he needs for efficient, economical work. The principal features include practical directions, illustrated by working drawings, for the construction of plain and ornamental furniture and all kinds of indoor and outdoor woodwork. Joint making, tool manipulation, staining and polishing, repairing, craft problems and everyday difficulties are also regula
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