Woods Edexcel Product Design Graphics Woods Hardwoods Jelutong

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 machine tools • Known for uniformity, softness, and stability • From South East Asia • Close, straight grain • Fine texture

Balsa Very light & soft Fast growing Large From Brazil and North Mexico • Excellent strength to weight ratio • Open grain • Buoyant • •

Pine • There about 115 species of pine • Pines are native to most of the Northern Hemisphere • Fast growing • Can be knotty • Can warp Parana Pine Scots. Pine

Whitewood • Fast growing • Can be knotty • Can warp

MDF • All sizes and thicknesses • Cheaper than natural woods • No grain so doesn’t split • Consistent in all directions • Smoothes well • Accepts finish well • Shaped easily • Can blunt tools • Heavy • Not very good with water • May release harmful odours/dust

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 description. For properties add things like lightweight or close grained etc Then put some advantages and disadvantages for each Print off