View
570
Download
9
Category
Tags:
Preview:
Citation preview
WOOD MATERIALS TECHNOLOGY
4th Edition
Chapter 26Veneering and Inlay
Veneers are thin sheets of wood
Advantages of veneering– Rare and expensive woods are used
efficiently– Large areas of wood are covered without
risk of splitting– Veneers are used to make decorative
patterns
Veneering
GroundworkBase onto which the veneer is bondedPlywood and MDF make good groundwork Counter veneering with a cheaper veneer helps to prevent warping in
the board
Groundwork
Cutting veneers
Veneer is cut with a sharp knife or scalpel– Take care to cut away from
yourself and mind your fingers
– Score the veneer a number of times to cut through
Matching veneer
When matching the veneers, it is important to line up the grain carefully to get the best result
Applying veneer
• Ensure groundwork is flat and clean
• Fill any defects and sand smooth
• Seal the wood with a thin film of adhesive
− Impact adhesive− Contact adhesive
Borders
• Borders are used to frame a veneered pattern
− Using veneers to create a border
Creating a veneered border
Marquetry – window method
1) Draw the design2) Transfer the design on to the
veneer using carbon paper3) Cut out the shape and remove4) Place the space over another
piece of veneer lining up the grain
5) Cut through the gap or ‘window’ to the veneer below. Tape the cut-out piece into the gap
6) Build up the picture and add a frame
1) Fix the two veneers to a cutting surface
2) Transfer the design to the veneer using carbon paper
3) Cut through both veneer layers at the same time
4) The veneers are then interchanged and taped together
5) Glue the veneers to the background
Marquetry – overlay method
Parquetry – geometric patterns
Parquetry – geometric patterns
Lines of contrasting wood are inlaid to give decoration
Veneer motifs are also available
Inlay
Scratch stock
• Using the scratch stock
• Scratch stock
Quiz
What is the name of the line of wood at A in the diagram?
− Inlay
− Seal with impact adhesive− Apply adhesive and wait for it to get
tacky− Position veneer over the piece and
line it up− Bring the surfaces together carefully− Squeeze out the air pockets from the
centre with a veneer hammer− Remove masking tape from top
surface− When the veneer has set, trim off
excess veneer and sand down
Describe how you would apply the finished veneer pattern onto the box shown.
What tool would be used to create the groove for the line of wood at A in the diagram?
− Scratch stock
− Bark is removed from log− Wood is softened with
steam− Log is mounted on a big
lathe− Veneer is peeled from the
log with a cutting knife
Explain rotary cutting of veneers
Recommended