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WOOD

MATERIALS TECHNOLOGY
4th Edition
Chapter 27
Laminating, Scroll Saw Work and
Pyrography
Laminating
Laminates
 Features

− Laminates – thin strips of wood (2-3mm)

– Stronger than solid wood
of same size
– Do not warp
– Easily formed into shapes
– There is a lot of waste
– Lots of glue required
– Moulds/formers needed
to form the shapes
Laminates used in buildings

− Glulam beams are used in buildings
Laminating
 Laminates are thin (1mm – 4mm thick)
 They are glued together to form a thicker piece
 They can be bent to shape using a former
 Cramps are used to hold the former closed
Using laminates

 Prepare thin laminates (1mm –
4mm) to make up the
thickness required
 Soften the laminates using hot
water, so that they bend more
easily
 Apply glue to the surfaces
 Position laminates in the
former with paper around
them, to prevent them from
bonding to the former
 Cramp until dry
 Clean and plane the edges
 Sand surfaces smooth
Steam bending
Scroll saw work
Scroll saw work – fretwork
 Scroll saw
– Cutting detailed shapes
from thin pieces of
wood
– Used to make pictures
and jigsaws
– Intarsia pictures made
from different woods
– Keep hands clear of the
blade
Cutting a pattern
Pyrography
(Wood burning)
Pyrography
 The art of wood
burning
 Pictures or symbols
are burned onto the
surface
 A pyrography tool is
used
 Care must be taken,
the tool is very hot
Quiz
 What type of glue would be used for bonding the
laminates of this frame?

– PVA glue
– Casein glue
– Formaldehyde glue
 Explain what laminates are

− Laminates are thin
strips of wood or
veneer
− They are about 14mm thick
− They are bonded
together into shapes
 Name the following piece of equipment and state its use

Former

− A former is used to contain the
laminates and hold them into a
defined shape

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27 laminating scroll saw work & pyrography

  • 2. Chapter 27 Laminating, Scroll Saw Work and Pyrography
  • 4. Laminates  Features − Laminates – thin strips of wood (2-3mm) – Stronger than solid wood of same size – Do not warp – Easily formed into shapes – There is a lot of waste – Lots of glue required – Moulds/formers needed to form the shapes
  • 5. Laminates used in buildings − Glulam beams are used in buildings
  • 6. Laminating  Laminates are thin (1mm – 4mm thick)  They are glued together to form a thicker piece  They can be bent to shape using a former  Cramps are used to hold the former closed
  • 7. Using laminates  Prepare thin laminates (1mm – 4mm) to make up the thickness required  Soften the laminates using hot water, so that they bend more easily  Apply glue to the surfaces  Position laminates in the former with paper around them, to prevent them from bonding to the former  Cramp until dry  Clean and plane the edges  Sand surfaces smooth
  • 10. Scroll saw work – fretwork  Scroll saw – Cutting detailed shapes from thin pieces of wood – Used to make pictures and jigsaws – Intarsia pictures made from different woods – Keep hands clear of the blade
  • 13. Pyrography  The art of wood burning  Pictures or symbols are burned onto the surface  A pyrography tool is used  Care must be taken, the tool is very hot
  • 14. Quiz
  • 15.  What type of glue would be used for bonding the laminates of this frame? – PVA glue – Casein glue – Formaldehyde glue
  • 16.  Explain what laminates are − Laminates are thin strips of wood or veneer − They are about 14mm thick − They are bonded together into shapes
  • 17.  Name the following piece of equipment and state its use Former − A former is used to contain the laminates and hold them into a defined shape