Woods

Edexcel Product Design: Graphics

Woods

• Hardwoods:– Jelutong– Balsa

• Softwood– Pine

• Aesthetic• Functional & mechanical

properties• Advantages• Disadvantages

• For the creation of models and prototypes

Jelutong

• Colour: initially almost white, darkening to a yellowish brown color with age.

• Low density • Very easy to work with both

hand and machine tools• Known for uniformity, softness,

and stability• From South East Asia• Close grain

Balsa

• Very light & soft• Fast growing• Large• From Brazil and North

Mexico• Excellent strength to

weight ratio• Open grain

Pine

• There are about 115 species of pine

• Pines are native to most of the Northern Hemisphere

• Fast growing• Can be knotty

Which wood is best for….

• Boats• Furniture• Model airplanes• Pattern making• Table tennis bats• Carving• Door frames• Photo frames• Small or intricate models

Which wood is best for….

• Boats - balsa• Furniture - pine• Model airplanes - balsa• Pattern making – jelutong (balsa can be used)• Table tennis bats - balsa• Carving – jelutong (balsa can be used)• Door frames - pine• Photo frames – balsa or pine• Small or intricate models - jelutong

Task

• Log onto the computers• Create a table:

Wood Aesthetics Functional & mechanical properties

Advantages Disadvantages

Jelutong

Balsa

Pine

For aesthetics get an image of the wood and write a brief descrition.For properties add things like lightweight or close grained etcThen put some advantages and disadvantages for eachPrint off