Woodworking Joints

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Woodworking Joints
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Joinery

• Joinery is the part of Woodworking that involves
  joining pieces of wood together
• Some require fasteners, adhesives

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Types of Wood JointsButt Joint

• The simple butt joint is most commonly used.
• This joint is formed by nailing or screwing the
  end of one piece of wood to the end of the other.
  
• While this is simple, fast and effective, the
  butt joint leaves the heads of the screws or
  nails exposed.
• Used in cabinet making or Construction framing

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Types of Wood Joints Dowel Joint

• The dowel joint is basically the same as the butt
  joint except dowels are used to hold the two
  pieces of wood together instead of screws and
  nails
• Construct blind dowel joints by drilling the
  holes only partway into each piece of wood. Then
  drive the dowels into these holes and glue them
  into position.
• The dowels are not always visible.

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Types of Wood Joints Lap Joint

• The Lap Joint is made by sawing halfway through
  each piece of wood
• The Lap Joint provides a great deal of strength,
  but the heads of the nails, screws are still
  exposed.
• Used in Cabinet making

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Types of Wood Joints Mortise Tenon

• This Wood Joint is simple and strong. Due to
  this, it is commonly used with other materials
  besides wood.
• To form this joint, saw a slot into one piece of
  wood. The end of the other piece of wood is then
  notched out to fit the slot in the first piece.
• The wood joint is then glued together.
• Used in furniture making

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Types of Wood Joints Mitre Joint

• The conventional mitre joint is widely used for
  making corners in various types of woodwork
• This Wood Joint is a finish joint and not a
  strong joint. Therefore it is not recommended
  where the joint is subject to excessive weight or
  unusual strain.

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Types of Wood Joints Rabbet Joint

• A simple wood joint, in which the ends of boards
  are joined at right angles by removing a portion
  of one boards thickness to accommodate another
  board.
• In addition to increasing the glue surface,
  the rabbet also provides support and alignment
  for the two pieces.
• Used for small scale structural applications
  small boxes, wall cabinets, etc.

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Types of Wood Joints Dado Joint

• To make a Dado Joint, cut a slot into one piece
  of wood to match the end of the other.
• The dado joint is much stronger than the butt
  joint and creates a more professional appearance.
• It can be used horizontally to support shelves on
  a bookcase or vertically to hold partitions.

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Types of Wood Joints Dovetail Joint

• This wood joint is noted for its resistance to
  being pulled apart (tensile strength).
• The dovetail joint is commonly used to join the
  sides of a drawer to the front.
• A series of pins cut into one board and tails
  into the second board form the joint.
• Once glued, a wooden dovetail joint requires no
  mechanical fasteners.

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Summary of Wood Joints

• Name Lap Joint
• Strength Strength of Joint
• Weakness Fasteners are shown

• Name Dowel Joint
• Strength Fasteners can be hidden
• Weakness Setup time to create

• Name Butt Joint
• Strength Simple/Fast
• Weakness Fasteners are shown

• Name Mitre Joint
• Strength Decorative Joint
• Weakness No strength to joint

• Name Rabbet Joint
• Strength Simple/Provides support
• Weakness End grain exposed

Wood Joints

• Name Dovetail Joint
• Strength Strength
• Weakness Setup time to create

• Name Dado Joint
• Strength Strength/Professional
• Weakness Setup time to create

• Name Mortise Tenon
• Strength Strength/Appearance
• Weakness Setup time to create

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WOOD Joints
Careful planning, measuring and cutting result in
attractive functional wood joints.
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