TEC 2 ESO: Wood joints

Choosing a suitable joint for a frame is important as many structure that are manufactured often require a load to be supported. In the case of a beach chair the joint will support both a static and dynamic load so a strong interlocking type joint is required.

A well fitting frame joint often requires very little adhesive to be used to secure. Frame joints are most commonly used on chairs, doors and tables.

joining wood: frame joints

Mortise & tenon joint (Unión en mortaja y caja)

Advantages - A very strong and versitile joint

Disadvantages - Time consuming to make

uses - Hidden furniture joints

Dowel (clavija) joint

Advantages - quick to make and very strong

Disadvantages - Needs a jig to be used to drill parts accurately

Uses- Hidden furniture joints

Butt (extremo) joint

Advantages - easy to make, especially with mitre saw

Disadvantages - weak- needs to be strengthened with nails or screws

Uses- rough construction work such as fencing & model making

Mitre joint (Unión a inglete)

Advantages - neat and an attractive joint

Disadvantages - weak unless reinforced, needs mitre saw to make accurately

Uses- picture frames & small boxes

Corner housing joint

Advantages - quick and easy to cut with saw; fairly strong

Disadvantages - can be unsightly, best if reinforced with screws or dowels

Uses- Hidden furniture joints

joining wood: carcase joints

Carcase joints are an important form of basic construction. Boxes, drawers, and cupboards are all carcase constructions. Carcase construction involves joining together wide panels of wood at the corners to create a box.